| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Oct 2021 | 05 Oct 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Aug 2021 | 26 Aug 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Aug 2021 | 03 Aug 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jul 2021 | 26 Jul 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jul 2021 | 09 Jul 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2020 | 03 Nov 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2020 | 26 Oct 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Oct 2020 | 01 Oct 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2020 | 03 Sep 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Aug 2020 | 26 Aug 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Aug 2020 | 03 Aug 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jul 2020 | 29 Jul 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jul 2020 | 06 Jul 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2020 | 03 Jun 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2019 | 03 Jun 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2018 | 26 Feb 2018 | 000-26427 |
| 3 | Open Document | Open Filing | FORM 3 | 28 Feb 2018 | 26 Feb 2018 | 000-26427 |