| 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 Aug 2021 | 30 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 | 08 Jul 2021 | 06 Jul 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2021 | 29 Mar 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2021 | 29 Jan 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Aug 2020 | 05 Aug 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2020 | 31 Jul 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 | 21 Jul 2020 | 17 Jul 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jul 2020 | 02 Jul 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2020 | 08 Jun 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2020 | 31 Jan 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2019 | 31 Jul 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2019 | 03 Jun 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2019 | 15 Feb 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2019 | 31 Jan 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 02 Jan 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2018 | 01 Nov 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2018 | 01 Oct 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2018 | 04 Sep 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2018 | 31 Jul 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2018 | 02 Jul 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2018 | 01 Jun 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2018 | 01 May 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2018 | 02 Apr 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2018 | 01 Mar 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2018 | 31 Jan 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2018 | 02 Jan 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Dec 2017 | 01 Dec 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Nov 2017 | 01 Nov 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Oct 2017 | 02 Oct 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Sep 2017 | 01 Sep 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2017 | 31 Jul 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2017 | 03 Jul 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2017 | 01 Jun 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2017 | 04 May 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2017 | 31 Jan 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 |