| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2021 | 14 Dec 2021 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Mar 2021 | 23 Mar 2021 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2021 | 17 Feb 2021 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2021 | 14 Feb 2021 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2020 | 19 May 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2020 | 19 Feb 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2020 | 14 Feb 2020 | 001-11961 |
| 3 | Open Document | Open Filing | FORM 3 | 08 Aug 2019 | 01 Aug 2019 | 001-11961 |