X0609 4 2026-09-02 0000098222 TIDEWATER INC TDW 0001797578 Hudson Daniel A. false 842 WEST SAM HOUSTON PARKWAY NORTH SUITE 400 HOUSTON TX 77024 false true false false EVP, CLO & Corporate Secretary 1 Common Stock, $0.001 par value 2026-09-02 4 S 0 15000 99.08 D 33029 D This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 17, 2026. The transaction was executed in multiple trades at prices ranging from $99.03 to $99.16. The price reported above reflects the weighted average sale price. Upon request from the SEC staff, the issuer, or a security holder of the issuer, the Reporting Person hereby undertakes to provide the requesting party with full information regarding the number of shares and prices at which the transaction was effected. /s/ Daniel A. Hudson 2026-09-03