| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 7, 2023 | Jul 5, 2023 | 001-40295 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 7, 2023 | Jun 30, 2023 | 001-40295 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 20, 2021 | Dec 17, 2021 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2021 | Nov 19, 2021 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2021 | Nov 17, 2021 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2021 | Mar 10, 2021 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 18, 2020 | Dec 17, 2020 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2020 | Nov 19, 2020 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2020 | Nov 17, 2020 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2020 | Nov 10, 2020 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 23, 2019 | Dec 19, 2019 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2019 | Dec 13, 2019 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2019 | Nov 15, 2019 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 17, 2019 | Sep 13, 2019 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2019 | Jun 5, 2019 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2018 | Dec 17, 2018 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2018 | Nov 17, 2018 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 14, 2018 | Jun 13, 2018 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2018 | Jun 1, 2018 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2017 | Dec 17, 2017 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2017 | Nov 17, 2017 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2017 | Nov 10, 2017 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2017 | Mar 17, 2017 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 20, 2016 | Dec 17, 2016 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2016 | Nov 17, 2016 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 15, 2016 | Nov 10, 2016 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 1, 2015 | Nov 30, 2015 | 000-21767 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Nov 23, 2015 | Nov 17, 2015 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2015 | Nov 17, 2015 | 000-21767 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2015 | Nov 10, 2015 | 000-21767 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 25, 2015 | Sep 16, 2015 | 000-21767 |