| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2025 | May 16, 2025 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2025 | May 14, 2025 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2024 | May 17, 2024 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2023 | May 18, 2023 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2023 | Mar 17, 2023 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 20, 2023 | Mar 18, 2023 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2022 | May 20, 2022 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2022 | May 18, 2022 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2022 | May 17, 2022 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2021 | May 18, 2021 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2021 | Feb 9, 2021 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 23, 2020 | Sep 21, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 25, 2020 | Aug 24, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2020 | May 26, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 20, 2020 | 001-35020 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2020 | Mar 30, 2020 | 001-35020 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2019 | Mar 19, 2018 | 001-37427 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 4, 2019 | Jan 25, 2019 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 21, 2018 | Dec 18, 2018 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2018 | Dec 12, 2018 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2018 | Jul 5, 2018 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2018 | Jun 11, 2018 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2018 | Feb 22, 2018 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2018 | Feb 18, 2018 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2017 | Oct 3, 2017 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2017 | Apr 1, 2017 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2017 | Feb 24, 2017 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 23, 2017 | Feb 22, 2017 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2017 | Feb 18, 2017 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2016 | Jul 2, 2016 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2016 | Apr 2, 2016 | 000-21810 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 2, 2016 | Nov 2, 2015 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2016 | Feb 24, 2016 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 19, 2016 | Feb 18, 2016 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2015 | Nov 2, 2015 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2015 | Aug 10, 2015 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2015 | Jul 2, 2015 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2015 | May 11, 2015 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 19, 2015 | Feb 18, 2015 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2014 | Nov 20, 2014 | 000-21810 |
| 4 | Open Document | Open Filing | OPTION EXERCISE AND SALE | Sep 3, 2014 | Sep 2, 2014 | 000-21810 |
| 4 | Open Document | Open Filing | OPTION EXERCISE AND SALE | Aug 29, 2014 | Aug 28, 2014 | 000-21810 |
| 4 | Open Document | Open Filing | RESTRICTED STOCK VEST TAXES | Jul 3, 2014 | Jul 2, 2014 | 000-21810 |
| 4 | Open Document | Open Filing | SHARE SALE | Mar 7, 2014 | Mar 6, 2014 | 000-21810 |
| 4 | Open Document | Open Filing | OPTION AND RESTRICTED STOCK GRANT | Feb 21, 2014 | Feb 19, 2014 | 000-21810 |