| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 22 Nov 2021 | 22 Nov 2021 | 001-41090 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2021 | 13 May 2021 | 001-08604 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jan 2021 | 19 Jan 2021 | 001-39906 |
| 4/A | Open Document | Open Filing | FORM 4/A | 16 Nov 2020 | 15 Nov 2020 | 001-08604 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2020 | 15 Nov 2020 | 001-08604 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 21 May 2019 | 001-08604 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2019 | 17 May 2019 | 001-08604 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2018 | 17 May 2018 | 001-08604 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2018 | 03 Apr 2018 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2018 | 26 Feb 2018 | 001-37494 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2018 | 08 Feb 2018 | 001-08604 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2017 | 17 Aug 2017 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Aug 2017 | 11 Aug 2017 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2017 | 08 Aug 2017 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Nov 2016 | 03 Nov 2016 | 001-33961 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2016 | 12 Aug 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2016 | 09 Aug 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2016 | 15 Apr 2016 | 001-37494 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Mar 2016 | 15 Mar 2016 | 001-37494 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2016 | 03 Feb 2016 | 001-33961 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Feb 2016 | 01 Feb 2016 | 001-33961 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Dec 2014 | 26 Dec 2014 | 001-07463 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2014 | 29 May 2014 | 001-07463 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2014 | 22 May 2014 | 001-07463 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2014 | 18 Feb 2014 | 001-07463 |