| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Nov 2021 | 02 Nov 2021 | 001-40995 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Dec 2020 | 21 Dec 2020 | 001-09769 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Dec 2020 | 09 Dec 2020 | 001-38835 |
| 4 | Open Document | Open Filing | 30 Oct 2019 | 23 Oct 2019 | 001-35641 | |
| 3 | Open Document | Open Filing | 14 Mar 2019 | 14 Mar 2019 | 001-38835 | |
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2017 | 13 Feb 2017 | 001-09769 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2016 | 29 Sep 2016 | 001-09769 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2015 | 10 Jun 2015 | 001-09769 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Nov 2014 | 21 Nov 2014 | 001-31558 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2014 | 16 Jun 2014 | 001-09769 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 20 Mar 2014 | 20 Mar 2014 | 001-09769 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jan 2014 | 02 Jan 2014 | 001-31558 |