| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 8, 2022 | Aug 4, 2022 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2022 | May 5, 2022 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2022 | Apr 30, 2022 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2022 | Feb 3, 2022 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2021 | Dec 3, 2021 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2021 | Nov 10, 2021 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 9, 2021 | Nov 5, 2021 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2021 | May 6, 2021 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2021 | Apr 30, 2021 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2020 | Dec 4, 2020 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2020 | Dec 3, 2020 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2020 | Nov 5, 2020 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 28, 2020 | Aug 27, 2020 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2020 | May 2, 2020 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2020 | May 4, 2020 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2020 | Apr 30, 2020 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 12, 2019 | Dec 10, 2019 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2019 | Dec 3, 2019 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2019 | May 2, 2019 | 000-19406 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2018 | Dec 3, 2018 | 000-19406 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 4, 2018 | Dec 3, 2018 | 000-19406 |