| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 13 Sep 2021 | 13 Sep 2021 | 001-13610 |
| 4 | Open Document | Open Filing | FORM 4 - | 29 Jun 2021 | 25 Jun 2021 | 001-13610 |
| 3 | Open Document | Open Filing | FORM 3 | 30 Apr 2020 | 30 Apr 2020 | 811-23425 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Dec 2019 | 04 Dec 2019 | 001-13610 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 Mar 2014 | 11 Mar 2014 | 001-13610 |