| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 19, 2022 | Apr 18, 2022 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2022 | Mar 7, 2022 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2022 | Mar 3, 2022 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2022 | Feb 8, 2022 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2021 | Mar 8, 2021 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2021 | Mar 4, 2021 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2020 | Mar 17, 2020 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2020 | Mar 5, 2020 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2019 | May 10, 2019 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2019 | Mar 7, 2019 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2019 | Mar 3, 2019 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2018 | Mar 8, 2018 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2018 | Mar 5, 2018 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2017 | Mar 7, 2017 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2017 | Mar 2, 2017 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2017 | Feb 24, 2017 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 20, 2016 | Jul 18, 2016 | 001-32327 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 10, 2016 | Mar 3, 2016 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2016 | Mar 3, 2016 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2016 | Feb 18, 2016 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 21, 2015 | Jul 19, 2015 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2015 | Mar 5, 2015 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2015 | Feb 13, 2015 | 001-32327 |
| 3 | Open Document | Open Filing | MARK ISAACSON FORM 3 (8-13-2014) | Aug 22, 2014 | Aug 13, 2014 | 001-32327 |