| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2023 | 31 Dec 2022 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2022 | 30 Sep 2022 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2022 | 30 Jun 2022 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2022 | 29 Jun 2022 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2022 | 31 Mar 2022 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2022 | 23 Mar 2022 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2022 | 31 Dec 2021 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Nov 2021 | 30 Sep 2021 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2021 | 30 Jul 2021 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jul 2021 | 11 Jul 2021 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2021 | 30 Apr 2021 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2021 | 24 Mar 2021 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2021 | 31 Dec 2020 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2020 | 30 Oct 2020 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2020 | 31 Jul 2020 | 000-15950 |
| 4 | Open Document | Open Filing | 08 Jul 2020 | 07 Jul 2020 | 000-15950 | |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2020 | 29 Jun 2020 | 000-15950 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2020 | 01 May 2020 | 000-15950 |
| 3 | Open Document | Open Filing | FORM 3 | 03 Apr 2020 | 31 Mar 2020 | 000-15950 |