Tidewater director sells 10,300 shares at $89.85

Director-linked entities restructured holdings and sold 10,300 TDW shares on September 16, 2026 in indirect transactions not made under a Rule 10b5-1 plan.

Rhea-AI Filing Summary

Tidewater Inc. (TDW) director Robert Robotti reported indirect transactions in the company’s common stock on September 16, 2026. Entities associated with him transferred 1,951 shares for no consideration from an advisory client account and sold a total of 10,300 shares at $89.8494 per share. The shares are held by advisory clients, investment partnerships, a family foundation, and his spouse, and Robotti states he disclaims beneficial ownership except to the extent of any pecuniary interest.

Insider Trade Summary

Net Seller: 10,300 shares

Net Sell 3 txns

Insider ROBOTTI ROBERT

Role Director

Sold 10,300 shs ($925K)

Type	Security	Shares	Price	Value
Other	Common Stock, $0.001 Par Value Per Share F1, F2, F5	1,951	$0.00	$0.00
Sale	Common Stock, $0.001 Par Value Per Share F3, F5	6,695	$89.8494	$602K
Sale	Common Stock, $0.001 Par Value Per Share F4, F5	3,605	$89.8494	$324K

Holdings After Transaction: Common Stock, $0.001 Par Value Per Share — 2,202,690 shares (Indirect, See Footnote)

Footnotes (5)

1. F1. This represents the transfer by the client, for no consideration, 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"), out of the client's advisory account with Robotti Advisors. The transfer terminated the client's investment advisory relationship with Robotti Advisors in respect of such shares.
2. F2. 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.
3. F3. 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.
4. F4. 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.
5. F5. 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.

Key Figures

Shares transferred: 1,951 shares Shares sold (first sale): 6,695 shares Shares sold (second sale): 3,605 shares +5 more

8 metrics

Shares transferred 1,951 shares Transferred for no consideration by an advisory client on September 16, 2026

Shares sold (first sale) 6,695 shares Indirect sale on September 16, 2026

Shares sold (second sale) 3,605 shares Indirect sale on September 16, 2026

Sale price per share $89.8494 per share Price for both reported sales of TDW common stock

Advisory clients’ holdings 112,444 shares Common stock directly owned by performance-fee advisory clients of Robotti Advisors

RIC holdings 1,136,422 shares Common stock directly owned by The Ravenswood Investment Company, LP after reported transactions

RI holdings 760,152 shares Common stock directly owned by Ravenswood Investments III, L.P. after reported transactions

Shares directly owned by Robert Robotti 132,172 shares Common stock directly owned by Robert Robotti, subject to his pecuniary interest

Key Terms

performance-fee paying advisory clients, beneficially own, investment adviser registered under the Investment Advisers Act of 1940, pecuniary interest, +1 more

5 terms

performance-fee paying advisory clients financial

"This amount includes 112,444 shares of the Common Stock directly beneficially owned by the performance-fee paying advisory clients"

beneficially own financial

"Mr. Robotti may be deemed to beneficially own certain of the shares of Common Stock"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

investment adviser registered under the Investment Advisers Act of 1940 regulatory

"Robotti & Company Advisors, LLC, an investment adviser registered under the Investment Advisers Act of 1940"

pecuniary interest financial

"disclaims beneficial ownership of all securities reported herein except to the extent of his pecuniary interest therein"

Rule 16a-1(a)(2) regulatory

"solely for the purpose of Rule 16a-1(a)(2) under the Securities Exchange Act of 1934"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did TDW director Robert Robotti report on this Form 4?

He reported a transfer of 1,951 TDW shares for no consideration from an advisory client account and indirect sales totaling 10,300 shares of common stock on September 16, 2026 at $89.8494 per share.

Were the reported TDW share sales by Robert Robotti personal or through related entities?

The transactions were indirect. Shares are directly owned by performance-fee advisory clients, The Ravenswood Investment Company, LP, Ravenswood Investments III, L.P., a family foundation, and his spouse. Robotti may be deemed to beneficially own them but disclaims beneficial ownership except for any pecuniary interest.

How many TDW shares were sold in the reported insider transactions?

Entities associated with Robert Robotti sold a total of 10,300 shares of Tidewater common stock on September 16, 2026, in two indirect sale transactions of 6,695 shares and 3,605 shares, both at $89.8494 per share.

What was the nature of the 1,951-share TDW transaction reported by Robert Robotti?

The 1,951-share transaction was a transfer for no consideration by an advisory client of Robotti & Company Advisors, LLC, out of its advisory account. The transfer ended that client’s investment advisory relationship for those shares.

Did the TDW insider transactions occur under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked, and there is no footnote stating that the September 16, 2026 transactions were made under a Rule 10b5-1 or other pre-arranged trading plan.

What TDW share positions are described for entities associated with Robert Robotti after these transactions?

A footnote states positions including 112,444 shares held by performance-fee advisory clients, 1,136,422 shares by The Ravenswood Investment Company, LP, 760,152 shares by Ravenswood Investments III, L.P., 3,000 shares by a family foundation, 58,500 shares by his spouse, and 132,172 shares directly by Robert Robotti.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/17/2026 - 03:12 PM Accepted by SEC EDGAR 09/17/2026 - 03:11 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ROBOTTI ROBERT

(Last) (First) (Middle)

125 PARK AVENUE

SUITE 1607

(Street)

NEW YORK NEW YORK 10017

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
TIDEWATER INC [ TDW ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $0.001 Par Value Per Share	09/16/2026		J		1,951	D	$0(1)	2,212,990(2)	I	See Footnote(5)
Common Stock, $0.001 Par Value Per Share	09/16/2026		S		6,695	D	$89.8494	2,206,295(3)	I	See Footnote(5)
Common Stock, $0.001 Par Value Per Share	09/16/2026		S		3,605	D	$89.8494	2,202,690(4)	I	See Footnote(5)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This represents the transfer by the client, for no consideration, 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"), out of the client's advisory account with Robotti Advisors. The transfer terminated the client's investment advisory relationship with Robotti Advisors in respect of such shares.

2. 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.

3. 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.

4. 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.

5. 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	09/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)