| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2021 | 22 Dec 2021 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2021 | 02 Jun 2021 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2020 | 04 Dec 2020 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2020 | 28 May 2020 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2019 | 31 Oct 2019 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2019 | 23 Aug 2019 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2019 | 06 Jun 2019 | 001-35756 |
| 4/A | Open Document | Open Filing | FORM 4/A | 27 Dec 2018 | 21 Dec 2018 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Dec 2018 | 21 Dec 2018 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2018 | 09 Nov 2018 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2018 | 01 Jun 2018 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 May 2017 | 25 May 2017 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2017 | 03 Jan 2017 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jul 2016 | 28 Jul 2016 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2016 | 20 Apr 2016 | 001-35756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2016 | 03 Mar 2016 | 001-35756 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 28 Jan 2016 | 31 Dec 2015 | 001-35756 |
| 4 | Open Document | Open Filing | 20 Apr 2015 | 16 Apr 2015 | 001-35756 | |
| 4 | Open Document | Open Filing | 04 Aug 2014 | 15 Apr 2014 | 001-35756 |