| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2021 | May 5, 2021 | 001-33626 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2020 | Dec 15, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2020 | Oct 1, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 11, 2020 | Sep 9, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2020 | Jul 1, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2020 | May 20, 2020 | 001-33626 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2020 | May 12, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2020 | Apr 1, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2020 | Mar 18, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2020 | Jan 2, 2020 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 13, 2019 | Dec 11, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2019 | Oct 1, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2019 | Sep 12, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2019 | Jul 1, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 14, 2019 | Jun 12, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2019 | May 15, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2019 | May 9, 2019 | 001-33626 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2019 | Apr 1, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2019 | Mar 20, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2019 | Jan 2, 2019 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 7, 2018 | Dec 5, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2018 | Oct 1, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2018 | Sep 5, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 9, 2018 | Jul 5, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2018 | Jun 6, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2018 | May 16, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2018 | May 8, 2018 | 001-33626 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2018 | Apr 2, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 26, 2018 | Mar 21, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2018 | Jan 5, 2018 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 8, 2017 | Dec 6, 2017 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 10, 2017 | Oct 5, 2017 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 8, 2017 | Sep 6, 2017 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2017 | Jul 3, 2017 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2017 | Jun 14, 2017 | 001-35258 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 25, 2017 | May 10, 2017 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 12, 2017 | May 10, 2017 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2017 | May 9, 2017 | 001-33626 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2017 | Apr 3, 2017 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2016 | May 11, 2016 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2016 | May 2, 2016 | 001-33626 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2015 | May 13, 2015 | 001-33626 |
| 4 | Open Document | Open Filing | M. NUNNELLY FORM 4 | May 14, 2015 | May 12, 2015 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2014 | May 7, 2014 | 001-33626 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2014 | May 6, 2014 | 001-35258 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2014 | Mar 10, 2014 | 001-35625 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2014 | Mar 4, 2014 | 001-35625 |