| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2021 | Nov 19, 2021 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2021 | Nov 17, 2021 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 17, 2021 | Nov 15, 2021 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2020 | Nov 18, 2020 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 17, 2020 | Nov 13, 2020 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2019 | Nov 15, 2019 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2019 | Nov 11, 2019 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2019 | Nov 8, 2019 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2019 | May 6, 2019 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2018 | Nov 29, 2018 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2018 | Nov 16, 2018 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 14, 2018 | Nov 12, 2018 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 7, 2018 | Nov 5, 2018 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2018 | May 7, 2018 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2018 | Feb 14, 2018 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 7, 2017 | Dec 6, 2017 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2017 | Nov 16, 2017 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2017 | Nov 8, 2017 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 8, 2017 | Nov 6, 2017 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2017 | May 5, 2017 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2016 | Nov 16, 2016 | 000-25434 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 14, 2016 | Nov 9, 2016 | 000-25434 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 5, 2016 | Apr 1, 2016 | 000-25434 |