| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Aug 2025 | 21 Aug 2025 | 000-23329 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Aug 2025 | 22 Jul 2025 | 000-23329 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2021 | 16 Aug 2021 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2021 | 01 Apr 2021 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2021 | 19 Feb 2021 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Mar 2020 | 18 Mar 2020 | 001-36583 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 Jan 2020 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jan 2020 | 16 Jan 2020 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jul 2019 | 16 Jul 2019 | 001-36583 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 03 Apr 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2019 | 29 Mar 2019 | 001-36583 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 26 Feb 2019 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Dec 2018 | 30 Nov 2018 | 001-36583 |
| SC 13D | Open Document | Open Filing | SC 13D | 30 Nov 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2016 | 14 Mar 2016 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2015 | 16 Mar 2015 | 001-36583 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2015 | 24 Feb 2015 | 001-36583 |
| 3/A | Open Document | Open Filing | FORM 3/A | 24 Jun 2014 | 12 Dec 2012 | 000-24230 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 17 Apr 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 | 30 Jan 2014 | 28 Jan 2014 | 000-24230 |
| 3/A | Open Document | Open Filing | FORM 3/A | 29 Jan 2014 | 12 Dec 2012 | 000-24230 |
| 4/A | Open Document | Open Filing | FORM 4/A | 29 Jan 2014 | 29 Apr 2013 | 000-24230 |