| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13D/A | Report | SC 13D/A | May 21, 2024 | |
| SC 13D/A | Report | SC 13D/A | Mar 8, 2024 | |
| SC 13D/A | Report | SC 13D/A | Nov 14, 2022 | |
| SC 13D/A | Report | SC 13D/A | Aug 15, 2022 | |
| SC 13D/A | Report | SC 13D/A | Dec 20, 2021 | |
| SC 13D/A | Report | SC 13DA | May 4, 2021 | |
| SC 13D/A | Report | SC 13D/A | Mar 12, 2021 | |
| SC 13D/A | Report | SC 13DA | Jun 3, 2020 | |
| SC 13D/A | Report | SC 13D/A | Feb 6, 2020 | |
| SC 13D/A | Report | AMENDMENT NO. 4 TO SCHEDULE 13D | Dec 31, 2019 | |
| SC 13D | Report | SC 13D | Oct 28, 2019 | |
| SC 13D/A | Report | AMENDMENT NO. 3 TO SCHEDULE 13D | Aug 12, 2019 | |
| SC 13D/A | Report | AMENDMENT NO. 2 TO SCHEDULE 13D | May 6, 2019 | |
| SC 13D/A | Report | AMENDMENT NO. 1 TO SCHEDULE 13D | Feb 25, 2019 | |
| SC 13D/A | Report | SC 13D/A | Nov 30, 2018 | |
| SC 13D | Report | SCHEDULE 13D | Nov 26, 2018 | |
| SC 13D | Report | SC 13D | Jul 25, 2018 | |
| SC 13D/A | Report | SC 13D/A | Jul 2, 2018 | |
| SC 13D/A | Report | SC 13D/A | Nov 21, 2017 | |
| SC 13D/A | Report | SC 13D/A | Aug 31, 2017 | |
| SC 13D/A | Report | SC 13D/A | Aug 8, 2017 | |
| SC 13D/A | Report | SC 13D/A | May 17, 2017 | |
| SC 13D/A | Report | ROBERT E. ROBOTTI SC 13DA NO 2 11-17-2016 (TIDEWATER INC.) | Nov 18, 2016 | |
| SC 13D/A | Report | ROBERT E. ROBOTTI SC 13DA NO 1 10-25-2016 (TIDEWATER INC.) | Nov 1, 2016 | |
| SC 13D | Report | ROBERT E ROBOTTI SC 13D 8-17-2016 (TIDEWATER INC) | Aug 26, 2016 |