| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2022 | 23 Feb 2022 | 001-33816 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Oct 2021 | 01 Oct 2021 | 001-08182 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jul 2021 | 16 Jul 2021 | 001-33816 |
| 4 | Open Document | Open Filing | FORM 4 - | 29 Apr 2021 | 27 Apr 2021 | 001-08182 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2021 | 14 Jan 2021 | 001-33816 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2020 | 16 Dec 2020 | 001-33816 |
| 3 | Open Document | Open Filing | FORM 3 - | 08 Jun 2020 | 29 May 2020 | 001-08182 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Apr 2019 | 18 Mar 2019 | 001-33816 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2019 | 31 Dec 2018 | 001-33816 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2018 | 29 May 2018 | 001-33816 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2018 | 16 Mar 2018 | 001-33816 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Aug 2017 | 08 Aug 2017 | 001-33816 |