| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | Sep 12, 2025 | Sep 5, 2025 | 001-42033 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 4, 2025 | Sep 2, 2025 | 001-39281 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 26, 2025 | Jun 16, 2025 | 001-39281 |
| 4 | Open Document | Open Filing | Mar 7, 2024 | Sep 22, 2023 | 001-14310 | |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2022 | May 27, 2022 | 000-28820 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2022 | May 16, 2022 | 000-28820 |
| 3/A | Open Document | Open Filing | FORM 3/A | May 24, 2022 | Feb 15, 2022 | 000-28820 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 28, 2022 | Feb 15, 2022 | 000-28820 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 19, 2022 | Jan 13, 2022 | 001-41223 |
| 4 | Open Document | Open Filing | May 7, 2020 | Sep 6, 2019 | 001-14310 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2018 | Jun 25, 2018 | 001-37495 |
| 4 | Open Document | Open Filing | SPIRO FORM 4 | Jun 15, 2018 | Jun 13, 2018 | 001-37495 |
| 4 | Open Document | Open Filing | FORM 4 | May 31, 2018 | May 29, 2018 | 001-14310 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 28, 2018 | Mar 26, 2018 | 001-37495 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 26, 2018 | Mar 22, 2018 | 001-37495 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 28, 2018 | 001-14310 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 30, 2017 | Nov 28, 2017 | 001-14310 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 30, 2017 | Aug 28, 2017 | 001-14310 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2017 | Aug 16, 2017 | 001-14310 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 27, 2016 | Dec 22, 2016 | 001-14310 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 23, 2016 | Nov 22, 2016 | 001-14310 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 25, 2016 | Oct 21, 2016 | 001-14310 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 11, 2016 | Oct 6, 2016 | 001-14310 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 26, 2016 | Sep 22, 2016 | 001-14310 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 7, 2016 | Jun 30, 2016 | 001-14310 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 28, 2016 | Jun 24, 2016 | 001-14310 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2015 | Nov 18, 2015 | 001-14310 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 8, 2015 | Aug 26, 2015 | 001-14310 |