| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 18, 2025 | Mar 14, 2025 | 001-32136 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 14, 2025 | Mar 6, 2025 | 001-32136 |
| 4 | Open Document | Open Filing | 4 | Mar 12, 2019 | Mar 8, 2019 | 001-32136 |
| 4 | Open Document | Open Filing | 4 | Mar 13, 2018 | Mar 9, 2018 | 001-32136 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2017 | Mar 20, 2017 | 001-32136 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 15, 2016 | Nov 11, 2016 | 001-32136 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2016 | Aug 24, 2016 | 001-32136 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2016 | Sep 15, 2016 | 001-32136 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | Sep 8, 2016 | Aug 4, 2016 | 001-32136 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 12, 2016 | Aug 4, 2016 | 001-32136 |