| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2024 | 15 Dec 2024 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Dec 2023 | 15 Dec 2023 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jan 2023 | 15 Dec 2022 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2021 | 15 Dec 2021 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2021 | 29 Jan 2021 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2020 | 12 Feb 2020 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2019 | 21 Feb 2019 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Feb 2018 | 09 Feb 2018 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2017 | 24 Feb 2017 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Feb 2017 | 16 Feb 2017 | 000-55580 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2016 | 28 Apr 2016 | 000-55580 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 14 Apr 2016 | 14 Apr 2016 | 000-55580 |