| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Oct 2021 | 29 Sep 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Sep 2021 | 20 Sep 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Aug 2021 | 30 Aug 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Aug 2021 | 20 Aug 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2021 | 02 Aug 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jul 2021 | 29 Jul 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2021 | 20 Jul 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jul 2021 | 07 Jul 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jul 2021 | 02 Jul 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2021 | 01 Jul 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2021 | 01 Apr 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2021 | 28 Jan 2021 | 001-08443 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2020 | 22 Dec 2020 | 001-08443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2017 | 11 May 2017 | 001-08443 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2015 | 06 Oct 2014 | 001-08443 |