| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2022 | 04 Mar 2022 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2022 | 29 Jan 2022 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Dec 2021 | 04 Dec 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2021 | 04 Sep 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2021 | 17 Jun 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2021 | 04 Jun 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2021 | 17 Mar 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2021 | 04 Mar 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2021 | 01 Feb 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2021 | 29 Jan 2021 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Dec 2020 | 17 Dec 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2020 | 02 Nov 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Sep 2020 | 17 Sep 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2020 | 03 Aug 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2020 | 17 Jun 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2020 | 26 May 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2020 | 01 May 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Feb 2020 | 05 Feb 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jan 2020 | 29 Jan 2020 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2019 | 25 May 2019 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jan 2019 | 29 Jan 2019 | 000-28132 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 30 Jan 2019 | 09 Jan 2019 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jan 2019 | 09 Jan 2019 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jul 2018 | 25 May 2018 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2017 | 26 May 2017 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2017 | 02 Mar 2017 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2016 | 26 May 2016 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Mar 2016 | 25 Mar 2016 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jan 2016 | 11 Jan 2016 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jul 2015 | 08 Jul 2015 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Mar 2015 | 25 Mar 2015 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2015 | 01 Feb 2015 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Jan 2015 | 20 Jan 2015 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Sep 2014 | 19 Sep 2014 | 000-28132 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Aug 2014 | 21 Aug 2014 | 000-28132 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Apr 2014 | 27 Mar 2014 | 000-28132 |