Aspen Technology, Inc. SEC EDGAR Filings (CIK 0001897982)

SEC EDGAR filings, ownership reports, and insider transactions for Aspen Technology, Inc..

Industry
Services Computer Programming Services (Office Of Technology)
Business address
20 Crosby Drive, Bedford, MA, 01730
State of incorporation
DE
Fiscal year end
30 June
Former names
Emersub CX, Inc. (to 16 May 2022)
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Aspen Technology, Inc. has filed 302 SEC EDGAR filings since 11 Jan 2022

Latest Filings

Recent SEC filings for Aspen Technology, Inc. including SCHEDULE 13G/A, 15-12G, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 May 2025 005-93677
15-12G Open 15-12G document View SEC filing for 15-12G 15-12G 24 Mar 2025 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Mar 2025 12 Mar 2025 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 12 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 12 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 12 Mar 2025 333-265145
25-NSE Open 25-NSE document View SEC filing for 25-NSE 12 Mar 2025 001-41400
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SCHEDULE 13E3/A 12 Mar 2025 005-93677
SC 14D9/A Open SC 14D9/A document View SEC filing for SC 14D9/A SC 14D9/A 12 Mar 2025 005-93677
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Mar 2025 11 Mar 2025 001-41400
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 12 Mar 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC TO-T/A 12 Mar 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A FORM SC 13E3/A 10 Mar 2025 005-93677
SC 14D9/A Open SC 14D9/A document View SEC filing for SC 14D9/A FORM SC 14D9/A 10 Mar 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC TO-T/A 10 Mar 2025 005-93677
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Mar 2025 07 Mar 2025 001-41400
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 05 Mar 2025 005-93677
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 05 Mar 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC TO-T/A 03 Mar 2025 005-93677
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2025 27 Feb 2025
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC 13E3/A 28 Feb 2025 005-93677
SC 14D9/A Open SC 14D9/A document View SEC filing for SC 14D9/A SC 14D9/A 28 Feb 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC TO-T/A 28 Feb 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC TO-T/A 28 Feb 2025 005-93677
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 26 Feb 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC 13E3/A 25 Feb 2025 005-93677
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Feb 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC 13E3/A 24 Feb 2025 005-93677
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Feb 2025
SC 14D9/A Open SC 14D9/A document View SEC filing for SC 14D9/A SC 14D9/A 24 Feb 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC TO-T/A 24 Feb 2025 005-93677
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Feb 2025 005-93677
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Feb 2025 005-93677
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Feb 2025 12 Feb 2025
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 10 Feb 2025 29 Jan 2025
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 10 Feb 2025 29 Jan 2025
SC 13E3 Open SC 13E3 document | Open XBRL data View SEC filing for SC 13E3 SC 13E3 10 Feb 2025 005-93677
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC TO-T/A 10 Feb 2025 005-93677
SC 14D9 Open SC 14D9 document View SEC filing for SC 14D9 SC 14D9 10 Feb 2025 005-93677
SC 13E3 Open SC 13E3 document | Open XBRL data View SEC filing for SC 13E3 SC TO-T 10 Feb 2025 005-93677
SC TO-C Open SC TO-C document View SEC filing for SC TO-C SC TO-C 07 Feb 2025 005-93677
SC14D9C Open SC14D9C document View SEC filing for SC14D9C FORM SC14D9C 04 Feb 2025 005-93677
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Feb 2025 31 Dec 2024 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Feb 2025 04 Feb 2025 001-41400
SC14D9C Open SC14D9C document View SEC filing for SC14D9C SC14D9C 29 Jan 2025 005-93677
SC14D9C Open SC14D9C document View SEC filing for SC14D9C SC14D9C 27 Jan 2025 005-93677
SC14D9C Open SC14D9C document | Open XBRL data View SEC filing for SC14D9C SC14D9C 27 Jan 2025 005-93677
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jan 2025 26 Jan 2025 001-41400
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 27 Jan 2025 005-93677
SC TO-C Open SC TO-C document | Open XBRL data View SEC filing for SC TO-C FORM SC TO-C 27 Jan 2025 005-93677
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2025 31 Dec 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Dec 2024 17 Dec 2024 001-41400
SC14D9C Open SC14D9C document View SEC filing for SC14D9C SC14D9C 20 Nov 2024 005-93677
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Nov 2024 005-93677
SC14D9C Open SC14D9C document View SEC filing for SC14D9C SC14D9C 06 Nov 2024 005-93677
SC TO-C Open SC TO-C document View SEC filing for SC TO-C FORM SC TO-C 05 Nov 2024 005-93677
SC TO-C Open SC TO-C document View SEC filing for SC TO-C FORM SC TO-C 05 Nov 2024 005-93677
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FORM SC 13D/A 05 Nov 2024 005-93677
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Nov 2024 30 Sep 2024 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Nov 2024 04 Nov 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Oct 2024 23 Oct 2024
ARS Open ARS document View SEC filing for ARS ARS 24 Oct 2024 30 Jun 2024 001-41400
DEFA14A Open DEFA14A document View SEC filing for DEFA14A 2024 PROXY NOTIC E 24 Oct 2024 001-41400
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A 2024 PROXY STATEMENT 24 Oct 2024 30 Jun 2024 001-41400
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 22 Oct 2024 005-93677
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2024 30 Sep 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Sep 2024 19 Sep 2024 001-41400
144 Open 144 document View SEC filing for 144 19 Sep 2024 001-41400
144 Open 144 document View SEC filing for 144 18 Sep 2024 001-41400
144 Open 144 document View SEC filing for 144 17 Sep 2024 001-41400
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 11 Sep 2024 03 Sep 2024
144 Open 144 document View SEC filing for 144 06 Sep 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Sep 2024 03 Sep 2024
144 Open 144 document View SEC filing for 144 05 Sep 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Sep 2024 03 Sep 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Sep 2024 03 Sep 2024
144 Open 144 document View SEC filing for 144 04 Sep 2024 001-41400
144 Open 144 document View SEC filing for 144 03 Sep 2024 001-41400
144 Open 144 document View SEC filing for 144 03 Sep 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Aug 2024 28 Aug 2024
144 Open 144 document View SEC filing for 144 28 Aug 2024 001-41400
144 Open 144 document View SEC filing for 144 21 Aug 2024 001-41400
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 13 Aug 2024 30 Jun 2024 001-41400
144 Open 144 document View SEC filing for 144 07 Aug 2024 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2024 06 Aug 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Jul 2024 23 Jul 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2024 28 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2024 28 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2024 28 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jun 2024 27 Jun 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jun 2024 17 Jun 2024
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 18 Jun 2024 02 May 2024 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Jun 2024 12 Jun 2024 001-41400
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Jun 2024 03 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2024 30 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 May 2024 21 May 2024
144 Open 144 document View SEC filing for 144 23 May 2024 001-41400
144 Open 144 document View SEC filing for 144 21 May 2024 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 May 2024 09 May 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2024 03 May 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2024 02 May 2024 001-41400
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 May 2024 31 Mar 2024 001-41400
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 01 May 2024 26 Apr 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Apr 2024 26 Apr 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2024 29 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2024 29 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2024 29 Mar 2024
144 Open 144 document View SEC filing for 144 26 Feb 2024 001-41400
144/A Open 144/A document View SEC filing for 144/A 23 Feb 2024 001-41400
144 Open 144 document View SEC filing for 144 23 Feb 2024 001-41400
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2024 005-93677
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Feb 2024 31 Dec 2023 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Feb 2024 06 Feb 2024 001-41400
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 25 Jan 2024 005-93677
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jan 2024 01 Jan 2024 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2024 29 Dec 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2024 29 Dec 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2024 29 Dec 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2024 29 Dec 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2024 29 Dec 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Dec 2023 14 Dec 2023 001-41400
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2023 30 Sep 2023 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2023 06 Nov 2023 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2023 01 Nov 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2023 01 Nov 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Oct 2023 23 Oct 2023
ARS Open ARS document View SEC filing for ARS ARS 25 Oct 2023 30 Jun 2023 001-41400
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 24 Oct 2023 001-41400
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 24 Oct 2023 24 Oct 2023 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Oct 2023 13 Oct 2023 001-41400
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FORM SC 13D/A 13 Oct 2023 005-93677
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FORM SC 13D/A 11 Oct 2023 005-93677
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 03 Oct 2023 01 Sep 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 03 Oct 2023 01 Sep 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 03 Oct 2023 01 Sep 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 03 Oct 2023 01 Sep 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 03 Oct 2023 01 Sep 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 03 Oct 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 22 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Sep 2023 01 Sep 2023 001-41400
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 21 Aug 2023 30 Jun 2023 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Aug 2023 26 Jul 2023 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Jun 2023 12 Jun 2023
144 Open 144 document View SEC filing for 144 12 Jun 2023 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jun 2023 30 May 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 May 2023 05 May 2023 001-41400
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 May 2023 31 Mar 2023 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Apr 2023 26 Apr 2023 001-41400
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Apr 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Apr 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2023 31 Mar 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 27 Mar 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Mar 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2023 28 Feb 2023
144 Open 144 document View SEC filing for 144 28 Feb 2023 001-41400
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 27 Feb 2023
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 13 Feb 2023 06 Feb 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Feb 2023 06 Feb 2023
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 08 Feb 2023 06 Feb 2023
SC 13G Open SC 13G document View SEC filing for SC 13G 07 Feb 2023 005-93677
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 30 Jan 2023 31 Dec 2022 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Jan 2023 25 Jan 2023 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2023 30 Dec 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2023 30 Dec 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2023 30 Dec 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2023 30 Dec 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2023 30 Dec 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Dec 2022 23 Dec 2022 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Dec 2022 15 Dec 2022 001-41400
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 07 Dec 2022 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Dec 2022 30 Nov 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Nov 2022 29 Nov 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Nov 2022 22 Nov 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Nov 2022 21 Nov 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Nov 2022 07 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Nov 2022 30 Sep 2022 001-41400
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Oct 2022 001-41400
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 28 Oct 2022 15 Dec 2022 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Oct 2022 26 Oct 2022 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Oct 2022 30 Sep 2022
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4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Sep 2022 07 Sep 2022
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4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2022 01 Sep 2022
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4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2022 01 Sep 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2022 01 Sep 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2022 01 Sep 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2022 01 Sep 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Aug 2022 29 Aug 2022 001-41400
10-KT Open 10-KT document | Open XBRL data View SEC filing for 10-KT 10-KT 25 Aug 2022 30 Jun 2022 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2022 08 Aug 2022 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Jul 2022 27 Jul 2022 001-41400
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jul 2022 27 Jul 2022 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jul 2022 20 Jul 2022
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 22 Jul 2022 13 Jul 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Jul 2022 13 Jul 2022 001-41400
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2022 01 Jun 2022
8-K12B/A Open 8-K12B/A document | Open XBRL data View SEC filing for 8-K12B/A 8-K12B/A 02 Jun 2022 13 May 2022 001-41400
8-K12B/A Open 8-K12B/A document | Open XBRL data View SEC filing for 8-K12B/A 8-K12B/A 27 May 2022 13 May 2022 001-41400
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 26 May 2022 005-93677
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2022 23 May 2022
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 23 May 2022 333-265145
3 Open 3 document View SEC filing for 3 FORM 3 17 May 2022 16 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 May 2022 17 May 2022
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About this filer

Aspen Technology, Inc. files with the SEC under CIK 0001897982. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Computer Programming Services.

See insider transactions for this issuer.

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