| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Apr 2, 2024 | Mar 31, 2024 | 000-22671 | |
| 4 | Open Document | Open Filing | Aug 25, 2023 | Dec 9, 2021 | 000-22671 | |
| 3 | Open Document | Open Filing | Aug 24, 2023 | Nov 12, 2021 | 000-22671 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 21, 2020 | Jul 17, 2020 | 001-34220 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2020 | Jun 15, 2020 | 001-34220 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2020 | Mar 3, 2020 | 001-34220 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2020 | Mar 2, 2020 | 001-34220 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2020 | Feb 18, 2020 | 001-34220 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 9, 2020 | Jan 1, 2020 | 001-34220 |