| 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 | 22 Nov 2021 | 22 Nov 2021 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Nov 2021 | 08 Nov 2021 | 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 Jun 2021 | 04 Jun 2021 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2021 | 08 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 | 04 Mar 2021 | 02 Mar 2021 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2020 | 08 Mar 2020 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2020 | 04 Mar 2020 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2020 | 02 Mar 2020 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2019 | 15 Nov 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2019 | 15 Jul 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2019 | 28 Jun 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2019 | 08 Mar 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2019 | 02 Mar 2019 | 001-03950 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 10 Apr 2018 | 01 Apr 2018 | 001-03950 |