| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2021 | 08 Sep 2021 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2021 | 18 May 2021 | 001-36283 |
| 4/A | Open Document | Open Filing | FORM 4/A | 03 Aug 2020 | 09 Jun 2020 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2020 | 09 Jun 2020 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2019 | 21 May 2019 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2018 | 22 May 2018 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2017 | 15 May 2017 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2016 | 29 Feb 2016 | 001-36283 |
| 4 | Open Document | Open Filing | 4 | 10 Dec 2015 | 09 Dec 2015 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2015 | 03 Mar 2015 | 001-36283 |
| 3/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Feb 2015 | 30 Jan 2014 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2014 | 24 Mar 2014 | 001-36283 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2014 | 05 Feb 2014 | 001-36283 |
| 3 | Open Document | Open Filing | FORM 3 | 05 Feb 2014 | 05 Feb 2014 | 001-36283 |