| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 29, 2021 | Oct 27, 2021 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2021 | Feb 5, 2021 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 28, 2020 | Oct 27, 2020 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2020 | Feb 11, 2020 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2019 | Dec 3, 2019 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 23, 2019 | Oct 22, 2019 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2019 | Jun 26, 2019 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 6, 2019 | Feb 6, 2019 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 25, 2018 | Oct 23, 2018 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2018 | Jun 4, 2018 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2018 | Feb 2, 2018 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 7, 2017 | Dec 6, 2017 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 25, 2017 | Oct 24, 2017 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2017 | Jun 12, 2016 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 31, 2017 | Jan 30, 2017 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2016 | Dec 9, 2016 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 27, 2016 | Oct 25, 2016 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 10, 2016 | Feb 10, 2016 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 29, 2015 | Oct 27, 2015 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 27, 2015 | Jan 23, 2015 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2014 | Feb 24, 2014 | 000-07674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 29, 2014 | Jan 28, 2014 | 000-07674 |