| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2022 | 17 Feb 2022 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2021 | 02 Aug 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jul 2021 | 01 Jul 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 01 Jun 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2021 | 25 May 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2021 | 20 Feb 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2021 | 17 Feb 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jan 2021 | 20 Jan 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jan 2021 | 15 Jan 2021 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2020 | 15 Dec 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2020 | 16 Nov 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Oct 2020 | 15 Oct 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Sep 2020 | 15 Sep 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Aug 2020 | 03 Aug 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2020 | 01 Jul 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2020 | 01 Jun 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2020 | 01 May 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2020 | 01 Apr 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2020 | 09 Mar 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2020 | 20 Feb 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Feb 2020 | 12 Feb 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Feb 2020 | 03 Feb 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Jan 2020 | 20 Jan 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2020 | 02 Jan 2020 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2019 | 02 Dec 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2019 | 01 Nov 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2019 | 01 Oct 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Sep 2019 | 09 Sep 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2019 | 11 Mar 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2019 | 20 Feb 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jan 2019 | 20 Jan 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Nov 2018 | 09 Nov 2018 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2018 | 20 Jan 2018 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jan 2017 | 20 Jan 2017 | 000-24260 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 Jan 2017 | 03 Jan 2017 | 000-24260 |