| 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 | 03 Feb 2021 | 01 Feb 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jan 2021 | 13 Jan 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2020 | 01 Dec 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2020 | 02 Nov 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 | 03 Sep 2020 | 01 Sep 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 | 21 Jul 2020 | 17 Jul 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2020 | 01 Jun 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2020 | 07 May 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2020 | 28 Apr 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2020 | 21 Feb 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 SUBMISSION | 03 Feb 2017 | 01 Feb 2017 | 000-26427 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | 31 Oct 2016 | 02 Aug 2016 | 000-26427 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 12 Aug 2016 | 02 Aug 2016 | 000-26427 |