| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 Jul 2022 | 01 Jul 2022 | 000-54258 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2022 | 01 Jun 2022 | 000-54258 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2022 | 02 May 2022 | 000-54258 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Sep 2021 | 31 Aug 2021 | 000-55418 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2021 | 01 Aug 2021 | 000-54258 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Jul 2021 | 01 Jul 2021 | 000-54258 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2021 | 01 Mar 2021 | 000-55418 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2020 | 17 Jun 2020 | 000-55418 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2020 | 15 Jan 2020 | 000-55418 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Sep 2018 | 01 Sep 2018 | 000-55418 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2018 | 31 Jul 2018 | 000-55418 |
| 4/A | Open Document | Open Filing | FORM 4/A | 01 Feb 2018 | 24 Jan 2018 | 000-55418 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Jan 2018 | 23 Jan 2018 | 000-55418 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jan 2018 | 23 Jan 2018 | 000-55418 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jan 2018 | 23 Jan 2018 | 000-55418 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2017 | 14 Nov 2017 | 000-55418 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2016 | 07 Dec 2016 | 000-55418 |