| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2025 | 27 May 2025 | 001-34042 |
| 3/A | Open Document | Open Filing | 15 Mar 2021 | 10 Mar 2021 | 001-40179 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Mar 2021 | 10 Mar 2021 | 001-40179 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2021 | 04 Jan 2021 | 001-36311 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 | 08 Apr 2019 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 Nov 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2018 | 29 Nov 2018 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 25 Jul 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 Apr 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2018 | 19 Apr 2018 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Mar 2018 | 27 Mar 2018 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2018 | 05 Mar 2018 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 02 Mar 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 Jan 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 10 Jan 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 07 Dec 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 20 Sep 2017 | 20 Sep 2017 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 07 Jun 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2017 | 30 Mar 2017 | 001-34042 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2017 | 05 Mar 2017 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2016 | 28 Dec 2016 | 001-36311 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 03 Nov 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2016 | 07 Oct 2016 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2016 | 13 Sep 2016 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 Jun 2016 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 23 Jun 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2016 | 20 Jun 2016 | 001-34042 |
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Jun 2016 | 28 Jul 2015 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Mar 2016 | 18 Mar 2016 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2016 | 05 Mar 2016 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2016 | 15 Feb 2016 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2016 | 31 Dec 2015 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 18 Nov 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2015 | 16 Nov 2015 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 11 Aug 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2015 | 07 Aug 2015 | 001-34042 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2015 | 07 Aug 2015 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jul 2015 | 28 Jul 2015 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 Jul 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2015 | 19 May 2015 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D AMENDMENT NO. 6 | 02 Apr 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2015 | 30 Mar 2015 | 001-34042 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2015 | 25 Mar 2015 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2015 | 05 Mar 2015 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 26 Feb 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2015 | 15 Feb 2015 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2015 | 31 Dec 2014 | 001-34042 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2015 | 31 Dec 2014 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2014 | 12 Nov 2014 | 001-33143 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 21 Nov 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2014 | 25 Mar 2014 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2014 | 05 Mar 2014 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2014 | 25 Feb 2014 | 001-33143 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2014 | 15 Feb 2014 | 001-33143 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Feb 2014 | 12 Feb 2014 | 001-36311 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 TO SCHEDULE 13D | 07 Jan 2014 |