| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Jun 2023 | 07 Jun 2023 | 811-23880 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 30 May 2023 | 29 May 2023 | 814-01620 |
| 4 | Open Document | Open Filing | 21 Jun 2021 | 16 Jun 2021 | 000-54601 | |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 21 Jun 2021 | 16 Jun 2021 | 814-00757 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Dec 2019 | 18 Dec 2019 | 000-55121 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Dec 2019 | 18 Dec 2019 | 814-00926 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2018 | 03 Dec 2018 | 814-01151 |
| 3 | Open Document | Open Filing | 07 Dec 2018 | 03 Dec 2018 | 814-00926 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Mar 2018 | 20 Mar 2018 | 814-00757 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Dec 2017 | 28 Dec 2017 | 814-00757 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jun 2014 | 13 Jun 2014 | 814-00757 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2014 | 02 Apr 2014 | 814-01047 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Feb 2014 | 14 Feb 2014 | 814-01047 |