| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2022 | 10 May 2022 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2021 | 08 Dec 2021 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Nov 2021 | 23 Nov 2021 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jun 2021 | 29 Jun 2021 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2020 | 16 Dec 2020 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Nov 2020 | 23 Nov 2020 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jun 2020 | 22 Jun 2020 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Dec 2019 | 23 Dec 2019 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2019 | 09 Dec 2019 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Dec 2018 | 14 Dec 2018 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Dec 2017 | 27 Dec 2017 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Nov 2016 | 23 Nov 2016 | 000-22062 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2015 | 19 Nov 2015 | 000-22062 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 15 Aug 2014 | 15 Aug 2014 | 000-22062 |
| 3/A | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 19 Mar 2014 | 27 Feb 2014 | 000-22062 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 18 Mar 2014 | 18 Mar 2014 | 000-22062 |