| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2023 | May 24, 2023 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2023 | May 5, 2023 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2023 | Feb 15, 2023 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2022 | Feb 16, 2022 | 001-12488 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 17, 2021 | May 10, 2021 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2021 | May 10, 2021 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2021 | Feb 26, 2021 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2020 | Feb 19, 2020 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2019 | Feb 20, 2019 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2018 | Feb 21, 2018 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2017 | Feb 22, 2017 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2016 | Feb 24, 2016 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2015 | Feb 25, 2015 | 001-12488 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 7, 2014 | Feb 26, 2014 | 001-12488 |