Tidewater (TDW) CFO Samuel Rubio sells 17,705 shares via family trust

Rhea-AI Filing Summary

Tidewater Inc. executive Samuel R. Rubio, EVP, CFO & CAO, reported an open-market sale of 17,705 shares of Tidewater common stock on 2026-08-12 at a weighted average price of $91.56 per share, with trades executed between $91.07 and $92.12. The sold shares were held indirectly through the Rubio Family Trust, where he and his spouse serve as co-trustees with shared voting and dispositive power. After these updates and related corrections between direct and trust holdings, the trust holds 33,214 shares indirectly, and Rubio also holds 16,650 shares directly.

Insider Trade Summary

Net Seller: 17,705 shares

Net Sell 2 txns

Insider Rubio Samuel R

Role EVP, CFO & CAO

Sold 17,705 shs ($1.62M)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.001 F1, F2, F3	17,705	$91.56	$1.62M
holding	Common Stock, par value $0.001	--	--	--

Holdings After Transaction: Common Stock, par value $0.001 — 33,214 shares (Indirect, See footnote); Common Stock, par value $0.001 — 16,650 shares (Direct)

Footnotes (3)

1. F1. The transaction was executed in multiple trades at prices ranging from $91.07 to $92.12. 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.
2. F2. Reflects corrections with respect to shares that were previously inadvertently reported as owned directly by the Reporting Person that are instead held indirectly through the Rubio Family Trust.
3. F3. Represents shares held by the Rubio Family Trust, for which the Reporting Person is a co-trustee with his spouse and has shared voting and dispositive power with respect to the shares held by the trust.

Key Figures

Shares sold: 17,705 shares Weighted average sale price: $91.56 per share Trade price range: $91.07–$92.12 per share +3 more

6 metrics

Shares sold 17,705 shares Common stock sold on 2026-08-12 in open-market trades

Weighted average sale price $91.56 per share Reported for the 17,705-share sale on 2026-08-12

Trade price range $91.07–$92.12 per share Range of individual trades comprising the reported sale

Indirect holdings after transaction 33,214 shares Shares held by the Rubio Family Trust after sale and corrections

Direct holdings after transaction 16,650 shares Common stock directly owned by Samuel R. Rubio

Net share change -17,705 shares Net buy/sell shares reported in the transaction summary

Key Terms

weighted average sale price, indirectly through the Rubio Family Trust, shared voting and dispositive power

3 terms

weighted average sale price financial

"The price reported above reflects the weighted average sale price."

indirectly through the Rubio Family Trust financial

"shares that were previously inadvertently reported as owned directly ... instead held indirectly through the Rubio Family Trust."

shared voting and dispositive power financial

"has shared voting and dispositive power with respect to the shares held by the trust."

FAQ

What insider transaction did Tidewater (TDW) report for Samuel R. Rubio?

Tidewater reported that Samuel R. Rubio, EVP, CFO & CAO, sold 17,705 TDW shares on 2026-08-12 in an open-market transaction. The sale involved shares held indirectly through the Rubio Family Trust and was executed in multiple trades.

At what price did Samuel R. Rubio sell Tidewater (TDW) shares?

Rubio’s reported sale used a weighted average price of $91.56 per share, with individual trades executed between $91.07 and $92.12. He has undertaken to provide full trade details, including share amounts and prices, upon request from the SEC staff, the issuer, or security holders.

How many Tidewater (TDW) shares does the Rubio Family Trust hold after the sale?

Following the reported transaction and related ownership corrections, the Rubio Family Trust holds 33,214 TDW shares indirectly. Samuel R. Rubio is a co-trustee with his spouse, with shared voting and dispositive power over the shares held by the trust.

What are Samuel R. Rubio’s direct Tidewater (TDW) share holdings after this Form 4?

After the reported activity, Samuel R. Rubio’s directly held position is disclosed as 16,650 TDW shares. This direct holding is reported separately from the 33,214 shares held indirectly through the Rubio Family Trust, reflecting updated ownership classifications.

Did the Tidewater (TDW) Form 4 include corrections to prior ownership reporting?

Yes. A footnote states that some shares previously reported as owned directly by Rubio were reclassified as indirectly owned through the Rubio Family Trust. This correction clarifies that those shares are held by the trust rather than in Rubio’s direct name.

Were Samuel R. Rubio’s Tidewater (TDW) share sales under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 plan checkbox is marked false, and the footnotes do not indicate a trading plan. The sale is described as being executed in multiple open-market trades, without reference to any pre-arranged Rule 10b5-1 trading arrangement.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/14/2026 - 04:36 PM Accepted by SEC EDGAR 08/14/2026 - 04:31 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^*

Rubio Samuel R

(Last) (First) (Middle)

842 WEST SAM HOUSTON PARKWAY NORTH

SUITE 400

(Street)

HOUSTON TEXAS 77024

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, CFO & CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/12/2026

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, par value $0.001	08/12/2026		S		17,705	D	$91.56(1)	33,214(2)	I	See footnote(3)
Common Stock, par value $0.001								16,650	D

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. The transaction was executed in multiple trades at prices ranging from $91.07 to $92.12. 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.

2. Reflects corrections with respect to shares that were previously inadvertently reported as owned directly by the Reporting Person that are instead held indirectly through the Rubio Family Trust.

3. Represents shares held by the Rubio Family Trust, for which the Reporting Person is a co-trustee with his spouse and has shared voting and dispositive power with respect to the shares held by the trust.

	/s/ Daniel A. Hudson, Attorney-in-Fact	08/14/2026
	** 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)