| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Aug 2023 | 20 Dec 2022 | 001-11916 | |
| 4 | Open Document | Open Filing | 11 Jan 2022 | 07 Jan 2022 | 001-11916 | |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2019 | 15 May 2019 | 001-11916 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2018 | 20 Dec 2018 | 001-11916 |
| 4/A | Open Document | Open Filing | AMENDMENT TO FORM 4 | 19 Sep 2017 | 13 Sep 2017 | 001-11916 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2017 | 13 Sep 2017 | 001-11916 |
| 4 | Open Document | Open Filing | 24 May 2017 | 24 May 2017 | 001-11916 | |
| 3 | Open Document | Open Filing | 03 Jan 2017 | 02 Jan 2017 | 001-11916 | |
| 4 | Open Document | Open Filing | 03 Jan 2017 | 02 Jan 2017 | 001-11916 |