| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Aug 2021 | 26 Aug 2021 | 001-39508 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Oct 2020 | 01 Oct 2020 | 001-38823 |
| 4 | Open Document | Open Filing | 14 Sep 2020 | 10 Sep 2020 | 001-39508 | |
| 3 | Open Document | Open Filing | 10 Sep 2020 | 10 Sep 2020 | 001-39508 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Mar 2019 | 04 Mar 2019 | 001-38823 |
| 3 | Open Document | Open Filing | 27 Feb 2019 | 27 Feb 2019 | 001-38823 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Dec 2017 | 21 Dec 2017 | 001-36168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2017 | 08 Mar 2017 | 001-36168 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jul 2014 | 18 Jul 2014 | 001-36168 |