| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Sep 2025 | 02 Sep 2025 | 001-38538 | |
| 4 | Open Document | Open Filing | 05 Sep 2024 | 03 Sep 2024 | 001-38538 | |
| 4 | Open Document | Open Filing | 06 Jun 2024 | 05 Jun 2024 | 001-38538 | |
| 4 | Open Document | Open Filing | 08 Aug 2023 | 04 Aug 2023 | 001-38538 | |
| 4 | Open Document | Open Filing | 04 Aug 2023 | 02 Aug 2023 | 001-38538 | |
| 4 | Open Document | Open Filing | 06 Dec 2022 | 02 Dec 2022 | 001-38538 | |
| 4 | Open Document | Open Filing | 08 Dec 2021 | 29 Oct 2021 | 001-10986 | |
| 4 | Open Document | Open Filing | 02 Jul 2021 | 30 Jun 2021 | 001-10986 | |
| 4 | Open Document | Open Filing | 15 Jun 2021 | 11 Jun 2021 | 001-38538 | |
| 4 | Open Document | Open Filing | 02 Jul 2020 | 30 Jun 2020 | 001-10986 | |
| 4 | Open Document | Open Filing | 20 May 2020 | 14 May 2020 | 001-10986 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Apr 2020 | 02 Apr 2020 | 001-38538 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 06 Apr 2020 | 02 Apr 2020 | 001-38538 |
| 4 | Open Document | Open Filing | 09 Mar 2020 | 09 Mar 2020 | 001-10986 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Nov 2019 | 22 Nov 2019 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2019 | 18 Apr 2019 | 000-13839 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 Apr 2019 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13D | 12 Feb 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2018 | 20 Dec 2018 | 000-13839 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2018 | 14 Nov 2018 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2018 | 01 Aug 2018 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 17 May 2018 | 000-13839 |
| 4 | Open Document | Open Filing | 4 | 15 Feb 2018 | 13 Feb 2018 | 001-10986 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2018 | 21 Dec 2017 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Dec 2017 | 21 Dec 2017 | 000-13839 |
| 4 | Open Document | Open Filing | 4 | 18 Aug 2017 | 16 Aug 2017 | 001-10986 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 04 Apr 2017 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Mar 2017 | 10 Mar 2017 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2017 | 09 Jan 2017 | 000-13839 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2016 | 04 Feb 2016 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2015 | 17 Dec 2015 | 000-13839 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Sep 2015 | 22 Sep 2015 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2015 | 11 Feb 2015 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2014 | 18 Dec 2014 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2014 | 02 Sep 2014 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2014 | 18 Aug 2014 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2014 | 08 Aug 2014 | 000-13839 |