| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jul 2021 | 30 Sep 2020 | 811-01731 |
| 4 | Open Document | Open Filing | 4 | 01 Oct 2020 | 30 Sep 2020 | 811-01731 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2019 | 28 Feb 2019 | 001-36477 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2019 | 02 Jan 2019 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Nov 2018 | 06 Nov 2018 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2018 | 01 Nov 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Nov 2018 | 30 Oct 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Oct 2018 | 26 Oct 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Oct 2018 | 24 Oct 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Oct 2018 | 23 Oct 2018 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Oct 2018 | 17 Oct 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Oct 2018 | 11 Oct 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2018 | 02 Jul 2018 | 001-06357 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 21 Feb 2018 | 09 Feb 2018 | 001-13417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2018 | 02 Jan 2018 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Nov 2017 | 07 Nov 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Nov 2017 | 02 Nov 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Nov 2017 | 31 Oct 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Oct 2017 | 26 Oct 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 29 Sep 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2017 | 12 Sep 2017 | 001-36477 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Sep 2017 | 08 Sep 2017 | 001-36477 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Sep 2017 | 31 Aug 2017 | 001-36477 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Aug 2017 | 25 Aug 2017 | 001-36477 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Aug 2017 | 21 Aug 2017 | 001-36477 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2017 | 18 Aug 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jun 2017 | 22 Jun 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jun 2017 | 08 Jun 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Apr 2017 | 04 Apr 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2017 | 27 Feb 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2017 | 21 Feb 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Feb 2017 | 14 Feb 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2017 | 09 Feb 2017 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Nov 2016 | 17 Nov 2016 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2016 | 16 Aug 2016 | 001-06357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Aug 2016 | 02 Aug 2016 | 001-06357 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 27 Jun 2016 | 21 Jun 2016 | 001-06357 |
| 3 | Open Document | Data | Open Filing | FORM 3 SUBMISSION | 20 Jun 2016 | 08 Jun 2016 | 001-36477 |
| 3/A | Open Document | Open Filing | 3/A | 16 Feb 2016 | 01 Dec 2015 | 811-01731 |