| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 Jan 2025 | 07 Jan 2025 | 001-38717 | |
| 4 | Open Document | Open Filing | 19 Nov 2024 | 15 Nov 2024 | 001-38717 | |
| 4 | Open Document | Open Filing | 06 Sep 2024 | 05 Sep 2024 | 001-38717 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 4 TO SCHEDULE 13D | 13 Aug 2024 | ||
| 4 | Open Document | Open Filing | 25 Aug 2022 | 23 Aug 2022 | 001-38717 | |
| 4 | Open Document | Open Filing | 14 Jun 2022 | 10 Jun 2022 | 001-38717 | |
| 4 | Open Document | Open Filing | 30 Mar 2022 | 29 Mar 2022 | 001-38717 | |
| 4 | Open Document | Open Filing | 23 Nov 2021 | 19 Nov 2021 | 001-38717 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 TO SCHEDULE 13D | 21 Oct 2021 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Aug 2021 | 24 Aug 2021 | 001-38717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Aug 2021 | 17 Aug 2021 | 001-38717 |
| 4 | Open Document | Open Filing | 19 Nov 2020 | 17 Nov 2020 | 001-38717 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Aug 2020 | 17 Aug 2020 | 001-38717 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 TO SCHEDULE 13D | 18 Aug 2020 | ||
| 4 | Open Document | Open Filing | 14 Aug 2020 | 12 Aug 2020 | 001-38717 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jun 2020 | 01 Jun 2020 | 001-38717 |
| 4 | Open Document | Open Filing | 22 May 2020 | 21 May 2020 | 001-38717 | |
| 4 | Open Document | Open Filing | 16 Nov 2018 | 14 Nov 2018 | 001-38717 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 May 2018 | 29 May 2018 | 000-52176 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Dec 2017 | 29 Nov 2017 | 000-52176 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Dec 2017 | 29 Nov 2017 | 000-52176 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Nov 2017 | 20 Nov 2017 | 000-52176 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Nov 2017 | 17 Nov 2017 | 000-52176 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SC 13D | 07 Jun 2017 | ||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 17 Oct 2016 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Oct 2016 | 07 Oct 2016 | 000-52176 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Oct 2016 | 07 Oct 2016 | 000-52176 |