| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 1, 2024 | Feb 29, 2024 | 001-38518 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 12, 2023 | Sep 8, 2023 | 001-38518 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 9, 2023 | Aug 9, 2023 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2023 | Mar 7, 2023 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 7, 2022 | Mar 3, 2022 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2022 | Feb 15, 2022 | 001-38643 | 
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Nov 9, 2021 | Nov 4, 2021 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 8, 2021 | Nov 4, 2021 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 8, 2021 | Feb 4, 2021 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2020 | Nov 17, 2020 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 19, 2020 | Aug 17, 2020 | 001-38518 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 20, 2020 | Feb 10, 2020 | 001-38643 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2020 | Feb 7, 2020 | 001-38518 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 11, 2020 | Feb 7, 2020 | 001-38518 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2019 | Mar 14, 2019 | 001-08038 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2019 | Mar 12, 2019 | 001-08038 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2019 | Mar 4, 2019 | 001-08038 | 
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Feb 27, 2019 | Feb 25, 2019 | 001-08038 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2019 | Feb 25, 2019 | 001-08038 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 6, 2017 | Dec 15, 2016 | 001-08038 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 6, 2016 | May 27, 2016 | 000-09061 |