| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jun 2022 | 02 Jun 2022 | 001-39541 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Sep 2021 | 17 Sep 2021 | 001-39541 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-39541 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-39541 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2020 | 01 Apr 2020 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Aug 2019 | 01 Aug 2019 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 31 Dec 2018 | 001-34960 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Aug 2018 | 07 Aug 2018 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 31 Dec 2017 | 001-34960 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Aug 2017 | 03 Aug 2017 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 31 Dec 2016 | 001-34960 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Aug 2016 | 09 Aug 2016 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 31 Dec 2015 | 001-34960 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Aug 2015 | 07 Aug 2015 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2015 | 05 Jun 2015 | 001-34960 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2015 | 31 Dec 2014 | 001-34960 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 02 Oct 2014 | 06 Aug 2014 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Aug 2014 | 05 Aug 2014 | 001-04721 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2014 | 31 Dec 2013 | 001-34960 |