| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 | 30 Nov 2021 | 30 Nov 2021 | 001-41104 |
| 4 | Open Document | Open Filing | 04 Feb 2021 | 28 Jan 2021 | 000-55195 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Aug 2020 | 10 Aug 2020 | 000-55195 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2018 | 28 Dec 2017 | 001-37528 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Aug 2017 | 04 Aug 2017 | 001-37528 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Jun 2017 | 19 Jun 2017 | 814-00818 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Oct 2016 | 13 Oct 2016 | 001-37528 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Oct 2016 | 13 Oct 2016 | 001-37528 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2015 | 21 Aug 2015 | 001-37528 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2015 | 14 Aug 2015 | 001-37528 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 31 Jul 2015 | 31 Jul 2015 | 001-37528 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2015 | 02 Jun 2015 | 001-36542 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Oct 2014 | 27 Oct 2014 | 001-36542 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jul 2014 | 23 Jul 2014 | 001-36542 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 17 Jul 2014 | 17 Jul 2014 | 001-36542 |