| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2024 | May 23, 2024 | 001-14667 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 6, 2024 | May 2, 2024 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2023 | May 11, 2023 | 001-14667 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 8, 2023 | May 4, 2023 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2022 | May 19, 2022 | 001-14667 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 9, 2022 | May 5, 2022 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2021 | Sep 21, 2021 | 001-36499 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2021 | May 27, 2021 | 001-36499 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2021 | May 13, 2021 | 001-14667 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 10, 2021 | May 6, 2021 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2020 | Dec 15, 2020 | 001-36499 |
| 4 | Open Document | Open Filing | 4 | Jun 15, 2020 | Jun 11, 2020 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2020 | May 28, 2020 | 001-36499 |
| 4 | Open Document | Open Filing | 4 | May 18, 2020 | May 14, 2020 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2020 | May 14, 2020 | 001-14667 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2019 | Jun 12, 2019 | 001-36499 |
| 4 | Open Document | Open Filing | 4 | May 20, 2019 | May 16, 2019 | 001-35000 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 9, 2018 | Jul 31, 2018 | 001-14667 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2018 | Jul 31, 2018 | 001-35449 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2018 | May 17, 2018 | 001-35449 |
| 4 | Open Document | Open Filing | 4 | May 14, 2018 | May 10, 2018 | 001-35000 |
| 4 | Open Document | Open Filing | 4 | Feb 12, 2018 | Feb 9, 2018 | 001-35000 |
| 4 | Open Document | Open Filing | 4 | May 19, 2017 | May 18, 2017 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 30, 2017 | Mar 28, 2017 | 001-35449 |
| 4 | Open Document | Open Filing | 4 | May 16, 2016 | May 12, 2016 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2015 | Jun 4, 2015 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2015 | May 14, 2015 | 001-35449 |
| 4 | Open Document | Open Filing | FORM 4 - OPTIONS | Nov 25, 2014 | Nov 24, 2014 | 001-36499 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 24, 2014 | Oct 24, 2014 | 001-36499 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2014 | Jun 5, 2014 | 001-35000 |