| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 Mar 2022 | 20 Mar 2022 | 001-11693 | |
| 4 | Open Document | Open Filing | 18 Mar 2022 | 16 Mar 2022 | 001-11693 | |
| 4 | Open Document | Open Filing | 29 Jun 2021 | 25 Jun 2021 | 001-11693 | |
| 4 | Open Document | Open Filing | 11 May 2021 | 07 May 2021 | 001-11693 | |
| 4 | Open Document | Open Filing | 23 Mar 2021 | 20 Mar 2021 | 001-11693 | |
| 4/A | Open Document | Open Filing | 04 Sep 2020 | 20 Mar 2019 | 001-11693 | |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2020 | 07 May 2020 | 001-11693 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2020 | 03 Apr 2020 | 001-11693 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Mar 2020 | 20 Mar 2020 | 001-11693 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2019 | 27 Apr 2019 | 001-11693 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Mar 2019 | 20 Mar 2019 | 001-11693 |
| 3 | Open Document | Open Filing | FORM 3 | 11 Jan 2019 | 01 Jan 2019 | 001-11693 |