SEC EDGAR filings, ownership reports, and insider transactions for ANSYS INC.
Recent SEC filings for ANSYS INC including EFFECT, 15-12G, POS AM and more.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 30 Jul 2025 | 333-35973 | ||
| 15-12G | Open 15-12G document | View SEC filing for 15-12G | 15-12G | 29 Jul 2025 | 000-20853 | |
| POS AM | Open POS AM document | View SEC filing for POS AM | POS AM | 29 Jul 2025 | 333-35973 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-256252 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-196393 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-177030 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-69506 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-08613 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-174670 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-152765 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-265553 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-212412 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-206111 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-137274 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 29 Jul 2025 | 333-110728 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | 24 Jul 2025 | 17 Jul 2025 | ||
| 4/A | Open 4/A document | View SEC filing for 4/A | 24 Jul 2025 | 17 Jul 2025 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | |
| 25-NSE | Open 25-NSE document | View SEC filing for 25-NSE | 17 Jul 2025 | 000-20853 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 17 Jul 2025 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 17 Jul 2025 | 17 Jul 2025 | 000-20853 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 17 Jul 2025 | 000-20853 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Jul 2025 | 11 Jul 2025 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 14 Jul 2025 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 Jul 2025 | 27 Jun 2025 | 000-20853 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 30 Jun 2025 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 30 Jun 2025 | 000-20853 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2025 | 03 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2025 | 03 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2025 | 03 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2025 | 01 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2025 | 01 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2025 | 01 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2025 | 24 Apr 2025 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 30 Apr 2025 | 31 Mar 2025 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 30 Apr 2025 | 30 Apr 2025 | 000-20853 |
| ARS | Open ARS document | View SEC filing for ARS | ARS | 29 Apr 2025 | 31 Dec 2024 | 000-20853 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 29 Apr 2025 | 000-20853 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 29 Apr 2025 | 27 Jun 2025 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 17 Apr 2025 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Apr 2025 | 14 Apr 2025 | |
| 144 | Open 144 document | View SEC filing for 144 | 14 Apr 2025 | 000-20853 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 05 Mar 2025 | 000-20853 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2025 | 01 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2025 | 01 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2025 | 01 Mar 2025 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 27 Feb 2025 | 000-20853 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2025 | 16 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2025 | 16 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2025 | 16 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2025 | 16 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2025 | 16 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2025 | 16 Feb 2025 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 19 Feb 2025 | 31 Dec 2024 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 19 Feb 2025 | 19 Feb 2025 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2025 | 12 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Jan 2025 | 13 Jan 2025 | |
| 144 | Open 144 document | View SEC filing for 144 | 13 Jan 2025 | 000-20853 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 10 Jan 2025 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 08 Jan 2025 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 06 Jan 2025 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 06 Jan 2025 | 000-20853 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Dec 2024 | 23 Dec 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Dec 2024 | 23 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Dec 2024 | 23 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Dec 2024 | 23 Dec 2024 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 20 Dec 2024 | 000-20853 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2024 | 03 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2024 | 03 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2024 | 03 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2024 | 03 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Dec 2024 | 03 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2024 | 01 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2024 | 01 Dec 2024 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Nov 2024 | 005-49199 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Nov 2024 | 30 Sep 2024 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Nov 2024 | 06 Nov 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2024 | 01 Nov 2024 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 21 Oct 2024 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Oct 2024 | 07 Oct 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 07 Oct 2024 | 000-20853 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 19 Sep 2024 | 000-20853 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2024 | 03 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2024 | 03 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2024 | 03 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2024 | 03 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Sep 2024 | 03 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2024 | 01 Aug 2024 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 31 Jul 2024 | 30 Jun 2024 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 31 Jul 2024 | 31 Jul 2024 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Jul 2024 | 10 Jul 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jul 2024 | 08 Jul 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 08 Jul 2024 | 000-20853 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 11 Jun 2024 | 07 Jun 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2024 | 03 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2024 | 01 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2024 | 03 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2024 | 03 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2024 | 03 Jun 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 22 May 2024 | 22 May 2024 | 000-20853 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 May 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 May 2024 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 16 May 2024 | 14 May 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 13 May 2024 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 13 May 2024 | 13 May 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2024 | 01 May 2024 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 01 May 2024 | 31 Mar 2024 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 May 2024 | 01 May 2024 | 000-20853 |
| DEFM14A | Open DEFM14A document | View SEC filing for DEFM14A | DEFM14A | 17 Apr 2024 | 000-20853 | |
| ARS | Open ARS document | View SEC filing for ARS | ARS | 10 Apr 2024 | 31 Dec 2023 | 000-20853 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 10 Apr 2024 | 000-20853 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 10 Apr 2024 | 07 Jun 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Apr 2024 | 08 Apr 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 08 Apr 2024 | 000-20853 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2024 | 01 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2024 | 01 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2024 | 01 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2024 | 01 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2024 | 01 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2024 | 01 Mar 2024 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 27 Feb 2024 | 22 Feb 2024 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 27 Feb 2024 | 22 Feb 2024 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 21 Feb 2024 | 31 Dec 2023 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 21 Feb 2024 | 21 Feb 2024 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 20 Feb 2024 | 15 Feb 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2024 | 14 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2024 | 14 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2024 | 14 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2024 | 14 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2024 | 14 Feb 2024 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 13 Feb 2024 | 005-49199 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 01 Feb 2024 | 000-20853 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 23 Jan 2024 | 005-49199 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 17 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 17 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 17 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 16 Jan 2024 | 000-20853 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 16 Jan 2024 | 15 Jan 2024 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jan 2024 | 08 Jan 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 08 Jan 2024 | 000-20853 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Dec 2023 | 08 Dec 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Dec 2023 | 29 Nov 2023 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Nov 2023 | 14 Nov 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 14 Nov 2023 | 000-20853 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Nov 2023 | 01 Nov 2023 | 000-20853 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 01 Nov 2023 | 30 Sep 2023 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 Nov 2023 | 01 Nov 2023 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2023 | 10 Oct 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 12 Oct 2023 | 000-20853 | ||
| 144 | Open 144 document | View SEC filing for 144 | 11 Oct 2023 | 000-20853 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Oct 2023 | 09 Oct 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 10 Oct 2023 | 000-20853 | ||
| 144 | Open 144 document | View SEC filing for 144 | 10 Oct 2023 | 000-20853 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Aug 2023 | 14 Aug 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 14 Aug 2023 | 000-20853 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Aug 2023 | 30 Jun 2023 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Aug 2023 | 02 Aug 2023 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jul 2023 | 18 Jul 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 19 Jul 2023 | 000-20853 | ||
| 144 | Open 144 document | View SEC filing for 144 | 18 Jul 2023 | 000-20853 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Jun 2023 | 12 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Jun 2023 | 12 Jun 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 13 Jun 2023 | 000-20853 | ||
| 144 | Open 144 document | View SEC filing for 144 | 12 Jun 2023 | 000-20853 | ||
| 144 | Open 144 document | View SEC filing for 144 | 12 Jun 2023 | 000-20853 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2023 | 01 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 May 2023 | 25 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 16 May 2023 | 12 May 2023 | 000-20853 |
| 144 | Open 144 document | View SEC filing for 144 | 15 May 2023 | 000-20853 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 May 2023 | 09 May 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 09 May 2023 | 000-20853 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 May 2023 | 31 Mar 2023 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 May 2023 | 03 May 2023 | 000-20853 |
| ARS | Open ARS document | View SEC filing for ARS | ARS | 28 Mar 2023 | 31 Dec 2022 | 000-20853 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 28 Mar 2023 | 000-20853 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 28 Mar 2023 | 000-20853 | |
| PRE 14A | Open PRE 14A document | Open XBRL data | View SEC filing for PRE 14A | PRE 14A | 15 Mar 2023 | 000-20853 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2023 | 03 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2023 | 03 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2023 | 03 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2023 | 03 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2023 | 03 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2023 | 02 Mar 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Mar 2023 | 01 Mar 2023 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Mar 2023 | 28 Feb 2023 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 24 Feb 2023 | 16 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Feb 2023 | 21 Feb 2023 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 22 Feb 2023 | 31 Dec 2022 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 22 Feb 2023 | 22 Feb 2023 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Feb 2023 | 15 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Feb 2023 | 15 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Feb 2023 | 15 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Feb 2023 | 15 Feb 2023 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2023 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2023 | 005-49199 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 30 Jan 2023 | 005-49199 | ||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 13 Jan 2023 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 13 Jan 2023 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 29 Dec 2022 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 27 Dec 2022 | |||
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 16 Dec 2022 | 15 Dec 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Dec 2022 | 15 Dec 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 16 Dec 2022 | 15 Dec 2022 | 000-20853 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 13 Dec 2022 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Dec 2022 | 08 Dec 2022 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 08 Dec 2022 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 28 Nov 2022 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 18 Nov 2022 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 07 Nov 2022 | |||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Nov 2022 | 30 Sep 2022 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Nov 2022 | 02 Nov 2022 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2022 | 01 Oct 2022 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Aug 2022 | 30 Jun 2022 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 Aug 2022 | 03 Aug 2022 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Jul 2022 | 30 Jun 2022 | 000-20853 |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 13 Jun 2022 | 333-265553 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2022 | 02 Jun 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 17 May 2022 | 12 May 2022 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 09 May 2022 | 005-49199 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 May 2022 | 02 May 2022 | 000-20853 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 May 2022 | 31 Mar 2022 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 May 2022 | 04 May 2022 | 000-20853 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 28 Mar 2022 | 000-20853 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 28 Mar 2022 | 12 May 2022 | 000-20853 |
| PRE 14A | Open PRE 14A document | View SEC filing for PRE 14A | PRE 14A | 17 Mar 2022 | 12 May 2022 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2022 | 03 Mar 2022 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 23 Feb 2022 | 31 Dec 2021 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 23 Feb 2022 | 23 Feb 2022 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 14 Feb 2022 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2022 | 005-49199 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 01 Feb 2022 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2022 | 04 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2022 | 03 Jan 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Jan 2022 | 30 Dec 2021 | 000-20853 |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | 8-K/A | 17 Dec 2021 | 26 Oct 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Dec 2021 | 08 Dec 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Nov 2021 | 30 Sep 2021 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 Nov 2021 | 03 Nov 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Oct 2021 | 26 Oct 2021 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 27 Oct 2021 | 26 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Oct 2021 | 25 Oct 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 26 Oct 2021 | 26 Oct 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Oct 2021 | 05 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2021 | 01 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Sep 2021 | 31 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Aug 2021 | 10 Aug 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Aug 2021 | 30 Jun 2021 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Aug 2021 | 04 Aug 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Jul 2021 | 09 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2021 | 30 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2021 | 08 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2021 | 14 May 2021 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 18 May 2021 | 333-256252 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 18 May 2021 | 14 May 2021 | 000-20853 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2021 | 31 Mar 2021 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 May 2021 | 05 May 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Apr 2021 | 26 Apr 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Apr 2021 | 07 Apr 2021 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 31 Mar 2021 | 000-20853 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 31 Mar 2021 | 14 May 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2021 | 12 Mar 2021 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 16 Mar 2021 | 12 Mar 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 Mar 2021 | 12 Mar 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2021 | 05 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2021 | 05 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2021 | 05 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2021 | 05 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | |
| S-3ASR | Open S-3ASR document | View SEC filing for S-3ASR | FORM S-3ASR | 24 Feb 2021 | 333-253472 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 24 Feb 2021 | 31 Dec 2020 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 24 Feb 2021 | 24 Feb 2021 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 24 Feb 2021 | 24 Feb 2021 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2021 | 19 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2021 | 16 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2021 | 16 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2021 | 16 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2021 | 16 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2021 | 16 Feb 2021 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2021 | 005-49199 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2021 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2021 | 04 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2021 | 30 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Dec 2020 | 08 Dec 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 09 Dec 2020 | 08 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Dec 2020 | 07 Dec 2020 | |
| D | Open D document | View SEC filing for D | 09 Dec 2020 | 021-382726 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Dec 2020 | 07 Dec 2020 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Nov 2020 | 24 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2020 | 09 Nov 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Nov 2020 | 09 Nov 2020 | 000-20853 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Nov 2020 | 30 Sep 2020 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Nov 2020 | 04 Nov 2020 | 000-20853 |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | 8-K/A | 26 Oct 2020 | 23 Oct 2020 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 26 Oct 2020 | 23 Oct 2020 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2020 | 01 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Sep 2020 | 09 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2020 | 02 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Aug 2020 | 14 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Aug 2020 | 13 Aug 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Aug 2020 | 11 Aug 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Aug 2020 | 30 Jun 2020 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 Aug 2020 | 05 Aug 2020 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 30 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jun 2020 | 22 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 19 May 2020 | 15 May 2020 | 000-20853 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 May 2020 | 31 Mar 2020 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 May 2020 | 06 May 2020 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Apr 2020 | 28 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Apr 2020 | 14 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Apr 2020 | 09 Apr 2020 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 31 Mar 2020 | 000-20853 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 31 Mar 2020 | 15 May 2020 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2020 | 05 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2020 | 05 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2020 | 05 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2020 | 05 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2020 | 03 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2020 | 03 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2020 | 03 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2020 | 03 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2020 | 03 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2020 | 03 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 01 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Mar 2020 | 01 Mar 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 03 Mar 2020 | 01 Mar 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 03 Mar 2020 | 01 Mar 2020 | |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | 8-K/A | 27 Feb 2020 | 26 Feb 2020 | 000-20853 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 27 Feb 2020 | 31 Dec 2019 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Feb 2020 | 26 Feb 2020 | 000-20853 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 19 Feb 2020 | 14 Feb 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Feb 2020 | 14 Feb 2020 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2020 | 13 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2020 | 13 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2020 | 13 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2020 | 13 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2020 | 13 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2020 | 13 Feb 2020 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-49199 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Feb 2020 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jan 2020 | 06 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jan 2020 | 30 Dec 2019 | |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | 8-K/A | 31 Dec 2019 | 01 Nov 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Dec 2019 | 05 Dec 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Nov 2019 | 13 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Nov 2019 | 15 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Nov 2019 | 12 Nov 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Nov 2019 | 30 Sep 2019 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Nov 2019 | 01 Nov 2019 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Nov 2019 | 06 Nov 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2019 | 01 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2019 | 31 Oct 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 Nov 2019 | 28 Oct 2019 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 21 Oct 2019 | 16 Oct 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2019 | 01 Oct 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Sep 2019 | 23 Sep 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 12 Sep 2019 | 11 Sep 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2019 | 30 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Aug 2019 | 16 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Aug 2019 | 08 Aug 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Aug 2019 | 30 Jun 2019 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 05 Aug 2019 | 05 Aug 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2019 | 28 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2019 | 28 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2019 | 24 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2019 | 21 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2019 | 21 May 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 May 2019 | 17 May 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 May 2019 | 31 Mar 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 May 2019 | 30 Apr 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 May 2019 | 01 May 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Apr 2019 | 26 Apr 2019 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA 14A | 05 Apr 2019 | 000-20853 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 05 Apr 2019 | 17 May 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2019 | 01 Apr 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Mar 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Mar 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Mar 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Mar 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Mar 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Mar 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Mar 2019 | 13 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Mar 2019 | 12 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Mar 2019 | 11 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Mar 2019 | 08 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2019 | 06 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2019 | 05 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2019 | 05 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2019 | 05 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2019 | 05 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2019 | 05 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2019 | 03 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2019 | 03 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2019 | 03 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2019 | 03 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2019 | 03 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2019 | 03 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Mar 2019 | 03 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 28 Feb 2019 | 31 Dec 2018 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 27 Feb 2019 | 27 Feb 2019 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2019 | 15 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2019 | 15 Feb 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ANSY | 15 Feb 2019 | 005-49199 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2019 | 11 Feb 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2019 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2019 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Feb 2019 | 005-49199 | ||
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 24 Jan 2019 | 31 Dec 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Jan 2019 | 03 Jan 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Dec 2018 | 28 Dec 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Nov 2018 | 15 Nov 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 Nov 2018 | 30 Sep 2018 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Nov 2018 | 07 Nov 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2018 | 01 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2018 | 01 Nov 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 Oct 2018 | 23 Oct 2018 | 000-20853 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 16 Oct 2018 | |||
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 15 Oct 2018 | 08 Oct 2018 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 27 Sep 2018 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Sep 2018 | 13 Sep 2018 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 14 Sep 2018 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2018 | 31 Aug 2018 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 28 Aug 2018 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Aug 2018 | 22 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Aug 2018 | 13 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Aug 2018 | 09 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Aug 2018 | 08 Aug 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Aug 2018 | 10 Aug 2018 | 000-20853 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2018 | 30 Jun 2018 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 06 Aug 2018 | 06 Aug 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2018 | 01 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 Aug 2018 | 02 Aug 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2018 | 30 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2018 | 14 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 May 2018 | 22 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2018 | 21 May 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 23 May 2018 | 18 May 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2018 | 18 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2018 | 01 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2018 | 02 May 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 May 2018 | 31 Mar 2018 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 May 2018 | 02 May 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 May 2018 | 28 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Apr 2018 | 19 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Apr 2018 | 10 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Apr 2018 | 04 Apr 2018 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 06 Apr 2018 | 18 May 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Mar 2018 | 08 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2018 | 07 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2018 | 03 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2018 | 03 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2018 | 03 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2018 | 03 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2018 | 03 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2018 | 03 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Mar 2018 | 03 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2018 | 28 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2018 | 26 Feb 2018 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 22 Feb 2018 | 31 Dec 2017 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Feb 2018 | 21 Feb 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2018 | 12 Feb 2018 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ANSYSINC | 14 Feb 2018 | 005-49199 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2018 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2018 | 005-49199 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 09 Feb 2018 | 07 Feb 2018 | 000-20853 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Feb 2018 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2018 | 01 Feb 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Jan 2018 | 15 Jan 2018 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2018 | 30 Dec 2017 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 20 Dec 2017 | 18 Dec 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Dec 2017 | 18 Dec 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 19 Dec 2017 | 15 Dec 2017 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Nov 2017 | 28 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Nov 2017 | 15 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Nov 2017 | 13 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Nov 2017 | 10 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Nov 2017 | 07 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2017 | 03 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2017 | 06 Nov 2017 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Nov 2017 | 30 Sep 2017 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Nov 2017 | 01 Nov 2017 | 000-20853 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 11 Sep 2017 | 31 Aug 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Sep 2017 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2017 | 31 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Aug 2017 | 10 Aug 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 03 Aug 2017 | 28 Jul 2017 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 31 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 31 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 31 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2017 | 31 Jul 2017 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Aug 2017 | 30 Jun 2017 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Aug 2017 | 02 Aug 2017 | 000-20853 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 31 Jul 2017 | 28 Jul 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2017 | 19 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Jun 2017 | 15 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 May 2017 | 25 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 May 2017 | 25 May 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 25 May 2017 | 19 May 2017 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 May 2017 | 23 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2017 | 19 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2017 | 08 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 May 2017 | 05 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 May 2017 | 05 May 2017 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 May 2017 | 31 Mar 2017 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 03 May 2017 | 03 May 2017 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2017 | 28 Apr 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 May 2017 | 01 May 2017 | 000-20853 |
| 3/A | Open 3/A document | View SEC filing for 3/A | PRIMARY DOCUMENT | 28 Apr 2017 | 27 Apr 2017 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 28 Apr 2017 | 27 Apr 2017 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 28 Apr 2017 | 27 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Apr 2017 | 17 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Apr 2017 | 10 Apr 2017 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 31 Mar 2017 | 19 May 2017 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Mar 2017 | 15 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Mar 2017 | 09 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2017 | 07 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2017 | 05 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2017 | 24 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2017 | 24 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2017 | 24 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2017 | 24 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Feb 2017 | 21 Feb 2017 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 23 Feb 2017 | 31 Dec 2016 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 Feb 2017 | 22 Feb 2017 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 Feb 2017 | 16 Feb 2017 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2017 | 16 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2017 | 16 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2017 | 16 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2017 | 16 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Feb 2017 | 15 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ANSYSINC | 15 Feb 2017 | 005-49199 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2017 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2017 | 07 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Feb 2017 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Feb 2017 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jan 2017 | 23 Jan 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 19 Jan 2017 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Jan 2017 | 17 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2017 | 30 Dec 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 27 Dec 2016 | 27 Dec 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 23 Dec 2016 | 22 Dec 2016 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Dec 2016 | 15 Dec 2016 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Dec 2016 | 15 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Dec 2016 | 07 Dec 2016 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Dec 2016 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Nov 2016 | 15 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Nov 2016 | 14 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Nov 2016 | 10 Nov 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 03 Nov 2016 | 30 Sep 2016 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 03 Nov 2016 | 03 Nov 2016 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2016 | 31 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Oct 2016 | 17 Oct 2016 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 19 Oct 2016 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 13 Oct 2016 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2016 | 03 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2016 | 03 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2016 | 03 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Oct 2016 | 03 Oct 2016 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 30 Sep 2016 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Sep 2016 | 19 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Sep 2016 | 08 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Sep 2016 | 02 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 31 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Sep 2016 | 30 Aug 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Aug 2016 | 29 Jul 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Aug 2016 | 29 Jul 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Aug 2016 | 30 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Aug 2016 | 29 Jul 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Aug 2016 | 31 Jul 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 29 Aug 2016 | 26 Aug 2016 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Aug 2016 | 29 Jul 2016 | 000-20853 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Aug 2016 | 30 Jun 2016 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 Aug 2016 | 04 Aug 2016 | 000-20853 |
| S-8 | Open S-8 document | View SEC filing for S-8 | FORM S-8 | 06 Jul 2016 | 333-212412 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jun 2016 | 16 Jun 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 17 Jun 2016 | 05 Mar 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 17 Jun 2016 | 05 Mar 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 17 Jun 2016 | 05 Mar 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 17 Jun 2016 | 05 Mar 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 17 Jun 2016 | 05 Mar 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 17 Jun 2016 | 05 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 31 May 2016 | 23 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 May 2016 | 20 May 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 May 2016 | 20 May 2016 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 May 2016 | 10 May 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2016 | 31 Mar 2016 | 000-20853 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 05 May 2016 | 05 May 2016 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Apr 2016 | 18 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2016 | 01 Apr 2016 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 31 Mar 2016 | 20 May 2016 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Mar 2016 | 29 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Mar 2016 | 15 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Mar 2016 | 08 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 04 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Mar 2016 | 05 Mar 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 04 Mar 2016 | 03 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 25 Feb 2016 | 31 Dec 2015 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 25 Feb 2016 | 25 Feb 2016 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2016 | 22 Feb 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2016 | 18 Feb 2016 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2016 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2016 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 25 Jan 2016 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Dec 2015 | 29 Dec 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Nov 2015 | 30 Sep 2015 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Nov 2015 | 05 Nov 2015 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Sep 2015 | 15 Sep 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 09 Sep 2015 | 01 Sep 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K FILING DOCUMENT | 01 Sep 2015 | 01 Sep 2015 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Aug 2015 | 04 Aug 2015 | 000-20853 |
| S-8 | Open S-8 document | View SEC filing for S-8 | FORM S-8 | 05 Aug 2015 | 333-206111 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Aug 2015 | 30 Jun 2015 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Aug 2015 | 05 Aug 2015 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2015 | 31 Jul 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2015 | 31 Jul 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2015 | 31 Jul 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2015 | 31 Jul 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2015 | 31 Jul 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2015 | 31 Jul 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2015 | 30 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jun 2015 | 15 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jun 2015 | 09 Jun 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 09 Jun 2015 | 01 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2015 | 20 May 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 May 2015 | 14 May 2015 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2015 | 18 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2015 | 13 May 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 May 2015 | 31 Mar 2015 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 06 May 2015 | 06 May 2015 | 000-20853 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 29 Apr 2015 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 16 Apr 2015 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 03 Apr 2015 | |||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 02 Apr 2015 | 14 May 2015 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Mar 2015 | 09 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 26 Feb 2015 | 31 Dec 2014 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 Feb 2015 | 26 Feb 2015 | 000-20853 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2015 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2015 | 005-49199 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2015 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2015 | 30 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2015 | 30 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2015 | 30 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2015 | 30 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2015 | 30 Jan 2015 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2015 | 005-49199 | ||
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 21 Jan 2015 | 21 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jan 2015 | 07 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2015 | 02 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Dec 2014 | 12 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Dec 2014 | 12 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Dec 2014 | 11 Dec 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 11 Dec 2014 | 10 Dec 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Dec 2014 | 26 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Nov 2014 | 19 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Nov 2014 | 19 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Nov 2014 | 18 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2014 | 14 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Nov 2014 | 13 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Nov 2014 | 11 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2014 | 10 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2014 | 10 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2014 | 07 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Nov 2014 | 06 Nov 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Nov 2014 | 30 Sep 2014 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Nov 2014 | 05 Nov 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Oct 2014 | 08 Oct 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2014 | 03 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Aug 2014 | 22 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Aug 2014 | 14 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Aug 2014 | 12 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Aug 2014 | 11 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Aug 2014 | 06 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Aug 2014 | 06 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Aug 2014 | 31 Jul 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Aug 2014 | 31 Jul 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Aug 2014 | 31 Jul 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Aug 2014 | 31 Jul 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Aug 2014 | 30 Jun 2014 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Aug 2014 | 05 Aug 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Aug 2014 | 04 Aug 2014 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 04 Aug 2014 | 04 Aug 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 14 Jul 2014 | 11 Jul 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jul 2014 | 09 Jul 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jul 2014 | 07 Jul 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jun 2014 | 09 Jun 2014 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | FORM S-8 | 30 May 2014 | 333-196393 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2014 | 19 May 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 May 2014 | 20 May 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2014 | 16 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 May 2014 | 09 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 May 2014 | 09 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 May 2014 | 07 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2014 | 05 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2014 | 06 May 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 01 May 2014 | 31 Mar 2014 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 May 2014 | 01 May 2014 | 000-20853 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 07 Apr 2014 | 20 May 2014 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Mar 2014 | 18 Mar 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Mar 2014 | 14 Mar 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 11 Mar 2014 | 05 Mar 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Mar 2014 | 06 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2014 | 05 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 28 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Mar 2014 | 03 Mar 2014 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 27 Feb 2014 | 31 Dec 2013 | 000-20853 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 27 Feb 2014 | 27 Feb 2014 | 000-20853 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2014 | 005-49199 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 11 Feb 2014 | 005-49199 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 11 Feb 2014 | 005-49199 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Feb 2014 | 31 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Feb 2014 | 31 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Feb 2014 | 31 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Feb 2014 | 31 Jan 2014 |
ANSYS INC files with the SEC under CIK 0001013462. This page aggregates EDGAR filings and related ownership activity.
Industry: Services Prepackaged Software.