| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 12 Jun 2025 | 10 Jun 2025 | 001-39580 | |
| 4 | Open Document | Open Filing | 18 Jun 2024 | 13 Jun 2024 | 001-39580 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Jun 2023 | 08 Jun 2023 | 001-39580 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jan 2023 | 15 Jan 2023 | 001-39580 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Jun 2022 | 16 Jun 2022 | 001-39580 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2022 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Jun 2021 | 28 May 2021 | 001-39580 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 May 2021 | 24 May 2021 | 001-39580 |
| SC 13G | Open Document | Open Filing | SC 13G | 10 Feb 2021 | ||
| 4 | Open Document | Open Filing | 4 | 05 Nov 2020 | 03 Nov 2020 | 001-39580 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 01 Oct 2020 | 01 Oct 2020 | 001-39580 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 24 Oct 2014 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 05 Dec 2013 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Oct 2013 | 07 Oct 2013 | 000-52651 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Apr 2013 | 23 Apr 2013 | 000-52651 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jun 2012 | 19 Jun 2012 | 000-52651 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Mar 2012 | 01 Mar 2012 | 000-52651 |