| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 20, 2023 | Jul 18, 2023 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2022 | Apr 29, 2022 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 22, 2021 | Oct 21, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 22, 2021 | Oct 21, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 21, 2021 | Oct 20, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 20, 2021 | Oct 19, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 19, 2021 | Oct 18, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 19, 2021 | Oct 18, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 12, 2021 | Oct 7, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 12, 2021 | Oct 8, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 27, 2021 | Sep 23, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 24, 2021 | Sep 22, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2021 | Sep 21, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2021 | Sep 21, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 19, 2021 | Jul 16, 2021 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2019 | Nov 20, 2019 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 13, 2018 | Dec 11, 2018 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2018 | Jan 26, 2018 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 29, 2018 | Jan 24, 2018 | 000-23248 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Sep 1, 2015 | Aug 1, 2015 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 4, 2015 | Jul 31, 2015 | 000-23248 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2014 | Oct 30, 2013 | 000-23248 |