| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2023 | Mar 20, 2023 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2023 | Mar 10, 2023 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2023 | Mar 7, 2023 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2022 | Mar 7, 2022 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2021 | May 21, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2021 | Mar 16, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2021 | Mar 11, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2021 | Mar 9, 2021 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 17, 2020 | Nov 16, 2020 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 20, 2020 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 15, 2019 | Nov 14, 2019 | 000-11634 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 10, 2019 | Jun 27, 2019 | 000-11634 |