| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Dec 2021 | 30 Nov 2021 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2021 | 05 Apr 2021 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2020 | 14 Nov 2020 | 001-07982 |
| 4/A | Open Document | Open Filing | FORM 4/A | 22 May 2020 | 05 Apr 2020 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2020 | 05 Apr 2020 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jan 2020 | 15 Jan 2020 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2019 | 14 Nov 2019 | 001-07982 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Apr 2019 | 05 Apr 2019 | 001-07982 |
| 3 | Open Document | Open Filing | FORM 3 | 30 Jan 2019 | 27 Jan 2019 | 001-07982 |