| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Aug 2021 | 30 Aug 2021 | 001-40764 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2018 | 30 Sep 2018 | 000-22818 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Sep 2018 | 26 Sep 2018 | 000-22818 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2017 | 30 Sep 2017 | 000-22818 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Sep 2017 | 26 Sep 2017 | 000-22818 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jun 2017 | 26 Jun 2017 | 000-22818 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Mar 2017 | 06 Mar 2017 | 000-22818 |