| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2022 | 07 Jun 2022 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2022 | 04 Mar 2022 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2022 | 15 Feb 2022 | 000-15386 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 21 Jan 2022 | 31 Dec 2021 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2021 | 20 Dec 2021 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Aug 2021 | 24 Aug 2021 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2021 | 07 May 2021 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2021 | 04 May 2021 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2021 | 29 Apr 2021 | 000-15386 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2021 | 26 Mar 2021 | 000-15386 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 21 Jan 2021 | 15 Jan 2021 | 000-15386 |