X0609 4/A 2026-09-16 2026-09-17 0 0000098222 TIDEWATER INC TDW 0001105838 ROBOTTI ROBERT false 125 PARK AVENUE SUITE 1607 NEW YORK NY 10017 1 0 0 0 0 Common Stock, $0.001 Par Value Per Share 2026-09-16 4 G 0 1951 0 D 2212990 I See Footnote Common Stock, $0.001 Par Value Per Share 2026-09-16 4 S 0 6695 89.8494 D 2206295 I See Footnote Common Stock, $0.001 Par Value Per Share 2026-09-16 4 S 0 3605 89.8494 D 2202690 I See Footnote This amendment is being filed to correct the filing code with respect to the first transaction reported and footnote 1 of the Form 4 filed on September 17, 2026. This represents the gift by the client of Common Stock directly beneficially owned by the client, a performance fee-paying advisory client of Robotti & Company Advisors, LLC, an investment adviser registered under the Investment Advisers Act of 1940, as amended ("Robotti Advisors"), from the client's advisory account with Robotti Advisors. The gift terminated Robotti Advisors' investment advisory relationship in respect of such shares. This amount includes 112,444 shares of the Common Stock directly beneficially owned by the performance-fee paying advisory clients of Robotti Advisors, 1,143,117 shares of the Common Stock directly beneficially owned by The Ravenswood Investment Company, LP ("RIC"), 763,757 shares of the Common Stock directly beneficially owned by Ravenswood Investments III, L.P. ("RI"), 3,000 shares of the Common Stock directly beneficially owned by Suzanne and Robert Robotti Foundation, Inc. ("Robotti Foundation"), 58,500 shares of the Common Stock directly beneficially owned by Suzanne Robotti ("Su Robotti"), wife of Robert Robotti, and 132,172 shares of the Common Stock, directly beneficially owned by Robert Robotti. This amount includes 112,444 shares of the Common Stock directly beneficially owned by the performance-fee paying advisory clients of Robotti Advisors, 1,136,422 shares of the Common Stock directly beneficially owned by RIC, 763,757 shares of the Common Stock directly beneficially owned by RI, 3,000 shares of the Common Stock directly beneficially owned by Robotti Foundation, 58,500 shares of the Common Stock directly beneficially owned by Su Robotti, wife of Robert Robotti, and 132,172 shares of the Common Stock, directly beneficially owned by Robert Robotti. This amount includes 112,444 shares of the Common Stock directly beneficially owned by the performance-fee paying advisory clients of Robotti Advisors, 1,136,422 shares of the Common Stock directly beneficially owned by RIC, 760,152 shares of the Common Stock directly beneficially owned by RI, 3,000 shares of the Common Stock directly beneficially owned by Robotti Foundation, 58,500 shares of the Common Stock directly beneficially owned by Su Robotti, wife of Robert Robotti, and 132,172 shares of the Common Stock, directly beneficially owned by Robert Robotti. Mr. Robotti may be deemed to beneficially own (solely for the purpose of Rule 16a-1(a)(2) under the Securities Exchange Act of 1934, as amended ("Exchange Act")) certain of the shares of Common Stock set forth in this Form 4 through his indirect proportionate ownership of Robotti Advisors, as managing director of Ravenswood Management Company, LLC, which serves as the general partner of RIC and RI and through his marriage to Su Robotti. Mr. Robotti disclaims beneficial ownership of all securities reported herein except to the extent of his pecuniary interest therein, if any. /s/ Robert E. Robotti 2026-09-18