| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Feb 2025 | 11 Feb 2025 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Nov 2024 | 14 Nov 2024 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Aug 2024 | 19 Aug 2024 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Feb 2024 | 22 Feb 2024 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2023 | 06 Dec 2023 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Aug 2023 | 30 Aug 2023 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Dec 2022 | 30 Nov 2022 | 001-35962 |
| 4 | Open Document | Open Filing | 14 Feb 2020 | 12 Feb 2020 | 001-15799 | |
| 4 | Open Document | Open Filing | 18 Nov 2019 | 14 Nov 2019 | 001-35962 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2019 | 13 Jun 2019 | 001-15799 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2019 | 16 May 2019 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Feb 2019 | 07 Feb 2019 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Feb 2019 | 05 Feb 2019 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Nov 2018 | 13 Nov 2018 | 001-35962 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2018 | 30 May 2018 | 001-15799 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2018 | 24 May 2018 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Jan 2018 | 10 Jan 2018 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Nov 2017 | 16 Nov 2017 | 001-35962 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2017 | 24 May 2017 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Dec 2016 | 02 Dec 2016 | 001-35962 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Oct 2016 | 17 Oct 2016 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Aug 2016 | 23 Aug 2016 | 001-35962 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2016 | 18 May 2016 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 May 2016 | 11 May 2016 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Feb 2016 | 12 Feb 2016 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Feb 2016 | 10 Feb 2016 | 001-35962 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2015 | 18 May 2015 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2015 | 02 Apr 2015 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Mar 2015 | 10 Mar 2015 | 001-35962 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2015 | 06 Jan 2015 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Dec 2014 | 09 Dec 2014 | 001-35962 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Aug 2014 | 06 Aug 2014 | 001-35962 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jun 2014 | 25 Jun 2014 | 001-15799 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Feb 2014 | 14 Feb 2014 | 001-35962 |