| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 3, 2022 | Mar 1, 2022 | 000-19289 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jan 3, 2022 | Dec 31, 2021 | 000-19289 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Dec 6, 2021 | Dec 3, 2021 | 000-19289 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Dec 3, 2021 | Dec 3, 2021 | 000-19289 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Dec 3, 2021 | Dec 2, 2021 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2021 | Sep 2, 2021 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2021 | Aug 31, 2021 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2021 | Feb 24, 2021 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2021 | Dec 31, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2020 | Nov 16, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2020 | Aug 7, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2020 | Jul 1, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2020 | May 14, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2020 | May 13, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2020 | May 12, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2020 | Mar 6, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2020 | Mar 3, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2020 | Feb 28, 2020 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2020 | Dec 31, 2019 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2019 | Mar 4, 2019 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Mar 1, 2019 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2019 | Dec 31, 2018 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2018 | Sep 17, 2018 | 000-19289 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Mar 1, 2018 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2018 | Mar 1, 2018 | 000-19289 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2016 | Mar 3, 2016 | 000-19289 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2015 | Nov 6, 2015 | 000-19289 |