| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 13 Feb 2024 | 12 Feb 2024 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Feb 2023 | 13 Feb 2023 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2022 | 11 Feb 2022 | 000-25434 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 May 2022 | 19 May 2022 | 001-38901 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 May 2022 | 19 May 2022 | 001-38901 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 May 2022 | 12 May 2022 | 001-38586 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Nov 2021 | 12 Nov 2021 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2021 | 13 May 2021 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 May 2021 | 12 May 2021 | 001-38586 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Feb 2021 | 05 Feb 2021 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 May 2020 | 21 May 2020 | 001-38586 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2020 | 11 Feb 2020 | 000-25434 |
| 4 | Open Document | Open Filing | 4 | 28 May 2019 | 23 May 2019 | 001-38586 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Feb 2019 | 08 Feb 2019 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Sep 2018 | 07 Sep 2018 | 000-25434 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 Sep 2018 | 04 Sep 2018 | 000-25434 |
| 4 | Open Document | Open Filing | 4 | 18 Jul 2018 | 17 Jul 2018 | 001-38586 |
| 3 | Open Document | Open Filing | 3 | 17 Jul 2018 | 17 Jul 2018 | 001-38586 |
| 4 | Open Document | Open Filing | 12 May 2016 | 10 May 2016 | 001-06571 | |
| 4 | Open Document | Open Filing | 24 Feb 2016 | 22 Feb 2016 | 001-06571 | |
| 4 | Open Document | Open Filing | 05 May 2015 | 01 May 2015 | 001-06571 | |
| 4 | Open Document | Open Filing | 25 Feb 2015 | 23 Feb 2015 | 001-06571 | |
| 4 | Open Document | Open Filing | 13 May 2014 | 09 May 2014 | 001-06571 | |
| 4 | Open Document | Open Filing | 06 May 2014 | 04 May 2014 | 001-06571 | |
| 4 | Open Document | Open Filing | 26 Feb 2014 | 24 Feb 2014 | 001-06571 | |
| 4 | Open Document | Open Filing | 08 May 2013 | 06 May 2013 | 001-06571 | |
| 4 | Open Document | Open Filing | 27 Feb 2013 | 25 Feb 2013 | 001-06571 | |
| 4 | Open Document | Open Filing | 20 Feb 2013 | 19 Feb 2013 | 001-06571 | |
| 4 | Open Document | Open Filing | 04 May 2012 | 02 May 2012 | 001-06571 |