| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2025 | 22 Apr 2025 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2024 | 17 Apr 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2023 | 20 Apr 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Apr 2022 | 14 Apr 2022 | 000-15175 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2021 | 19 Apr 2021 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2021 | 09 Mar 2021 | 001-37883 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Feb 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2020 | 16 Dec 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2020 | 15 Dec 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Oct 2020 | 05 Oct 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2020 | 16 Sep 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2020 | 15 Sep 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2020 | 01 Sep 2020 | 001-37883 |
| 5 | Open Document | Open Filing | FORM 5 | 03 Sep 2020 | 31 Jul 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2020 | 16 Jun 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2020 | 15 Jun 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Apr 2020 | 08 Apr 2020 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2020 | 16 Mar 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2020 | 15 Mar 2020 | 001-37883 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 02 Jan 2020 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2019 | 16 Dec 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2019 | 15 Dec 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2019 | 11 Dec 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2019 | 27 Nov 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2019 | 16 Sep 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Sep 2019 | 15 Sep 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2019 | 17 Jun 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2019 | 15 Jun 2019 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2019 | 10 Apr 2019 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2019 | 15 Mar 2019 | 001-37883 |
| SC 13G | Open Document | Open Filing | SC 13G | 14 Feb 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 | 24 Jan 2019 | 22 Jan 2019 | 000-15175 |
| 3 | Open Document | Open Filing | FORM 3 | 24 Jan 2019 | 22 Jan 2019 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2018 | 15 Dec 2018 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Oct 2018 | 23 Oct 2018 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2018 | 15 Sep 2018 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2018 | 10 Sep 2018 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2018 | 15 Jun 2018 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2018 | 06 Jun 2018 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2018 | 22 Mar 2018 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2018 | 15 Mar 2018 | 001-37883 |
| SC 13G | Open Document | Open Filing | SC 13G | 12 Feb 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2017 | 19 Dec 2017 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2017 | 12 Dec 2017 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2017 | 07 Dec 2017 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2017 | 04 May 2017 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2017 | 28 Apr 2017 | 001-37883 |
| SC 13G | Open Document | Open Filing | SC 13G | 26 Apr 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 24 Mar 2017 | 22 Mar 2017 | 001-37883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2016 | 05 Oct 2016 | 001-37883 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Sep 2016 | 29 Sep 2016 | 001-37883 |