| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Jul 2021 | 14 Jul 2021 | 000-30109 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2021 | 12 Mar 2021 | 000-30109 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2020 | 05 Aug 2020 | 000-30109 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2020 | 11 Mar 2020 | 000-30109 |
| 4/A | Open Document | Open Filing | FORM 4/A | 24 May 2019 | 11 Mar 2019 | 000-30109 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2019 | 11 Mar 2019 | 000-30109 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2018 | 23 May 2018 | 000-30109 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2018 | 10 Mar 2018 | 000-30109 |
| 3 | Open Document | Open Filing | FORM 3 | 05 Mar 2018 | 05 Mar 2018 | 000-30109 |