| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2021 | Aug 16, 2021 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2020 | Aug 17, 2020 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2020 | Mar 2, 2020 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2019 | Nov 1, 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2019 | Sep 3, 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2019 | Aug 15, 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2019 | Mar 6, 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2018 | Sep 17, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2018 | Sep 4, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2018 | Aug 17, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2018 | Aug 15, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 1, 2018 | Aug 1, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2018 | Apr 2, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2018 | Mar 15, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2018 | Mar 7, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Feb 26, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2018 | Feb 1, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 19, 2018 | Jan 16, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2018 | Jan 2, 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2017 | Dec 15, 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2017 | Dec 1, 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2017 | Nov 15, 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 3, 2017 | Nov 1, 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2017 | Aug 17, 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2017 | Aug 15, 2017 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 9, 2017 | May 8, 2017 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2016 | Aug 17, 2016 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2016 | Aug 15, 2016 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2016 | May 4, 2016 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2015 | Aug 15, 2015 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2015 | May 26, 2015 | 000-23599 |
| 4 | Open Document | Open Filing | RESTRICTED STOCK TAX PAYMENT | Aug 25, 2014 | Aug 21, 2014 | 000-23599 |
| 4 | Open Document | Open Filing | RSA GRANT & RSA TAXES | Aug 19, 2014 | Aug 15, 2014 | 000-23599 |