| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jan 2022 | 16 Jan 2022 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2021 | 18 Feb 2021 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2021 | 15 Feb 2021 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Feb 2021 | 03 Feb 2021 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2021 | 01 Feb 2021 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2020 | 26 Feb 2020 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2020 | 10 Feb 2020 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Feb 2020 | 03 Feb 2020 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Nov 2019 | 26 Nov 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Oct 2019 | 12 Oct 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jun 2019 | 18 Jun 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2019 | 28 Mar 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2019 | 10 Feb 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Feb 2019 | 04 Feb 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2018 | 11 Sep 2018 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jul 2018 | 12 Jul 2018 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2018 | 15 Feb 2018 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2018 | 10 Feb 2018 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jan 2018 | 16 Jan 2018 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2017 | 15 Feb 2017 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2016 | 10 Feb 2016 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Oct 2015 | 12 Oct 2015 | 000-10961 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 14 Oct 2015 | 12 Oct 2015 | 000-10961 |