| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2022 | 04 Mar 2022 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2022 | 15 Feb 2022 | 001-03950 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 05 Nov 2021 | 04 Mar 2021 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2021 | 04 Mar 2021 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2021 | 15 Feb 2021 | 001-03950 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 07 Oct 2020 | 01 Oct 2020 | 001-03950 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 06 Dec 2018 | 01 Dec 2018 | 001-03950 |