| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 27, 2021 | Sep 24, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 29, 2021 | Jun 25, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 5, 2021 | Apr 1, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2021 | Mar 29, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2021 | Mar 26, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2021 | Mar 8, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2021 | Jan 27, 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2020 | Dec 22, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2020 | Dec 8, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 28, 2020 | Sep 25, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 9, 2020 | Sep 8, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 23, 2020 | Jun 19, 2020 | 000-27084 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 23, 2020 | Apr 1, 2020 | 000-27084 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 23, 2020 | Mar 27, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2020 | Jun 10, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2020 | Apr 1, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2020 | Mar 27, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2020 | Mar 20, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2020 | Jan 23, 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2019 | Dec 20, 2019 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2019 | Nov 1, 2019 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 24, 2019 | Sep 20, 2019 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2019 | Jun 21, 2019 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2019 | Apr 1, 2019 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2019 | Mar 29, 2019 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 25, 2019 | Mar 22, 2019 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2019 | Dec 31, 2018 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 26, 2018 | Dec 21, 2018 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2018 | Nov 2, 2018 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2018 | Nov 1, 2018 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2018 | Mar 29, 2018 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2017 | Nov 1, 2017 | 000-27084 |
| 3 | Open Document | Open Filing | FORM 3 | Sep 28, 2017 | Sep 18, 2017 | 000-27084 |