[Form 4] TETRA TECHNOLOGIES INC Insider Trading Activity

Rhea-AI Filing Summary

TETRA Technologies senior vice president and general counsel Alicia R. Boston Shoemake reported equity award activity involving restricted stock units and common stock. On February 28, 2026, 19,427 restricted stock units vested and were converted into 19,427 shares of common stock on a one-for-one basis.

To cover tax withholding on this vesting, 7,645 common shares were surrendered to the company at a value of $8.66 per share, classified as a tax-withholding disposition rather than an open-market sale. After these transactions, she directly held 152,757 common shares and 38,855 restricted stock units, with an additional 11,584 common shares held indirectly by her spouse.

The filing notes that the remaining unvested portion of this restricted stock unit award will vest every six months until it is fully vested on February 25, 2028, with each unit representing the contingent right to receive one share of common stock upon vesting.

Insider Trade Summary

19,427 shares exercised/converted

Mixed 4 txns

Insider Boston Shoemake Alicia r

Role Sr. VP and General Counsel

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	19,427	$0.00	--
Exercise	Common Stock	19,427	$0.00	--
Tax Withholding	Common Stock	7,645	$8.66	$66K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 38,855 shares (Direct); Common Stock — 160,402 shares (Direct); Common Stock — 11,584 shares (Indirect, By Spouse)

Footnotes (1)

1. Represents vested shares of restricted stock units granted on February 28, 2025. Restricted stock units convert into common stock on a one-for-one basis. Reflects units surrendered to the Issuer for tax withholding purposes upon the vesting of the restricted stock unit granted on February 28, 2025. The remaining unvested portion of this restricted stock unit award will vest every six months until fully vested on February 25, 2028. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock upon vesting of the unit.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Boston Shoemake Alicia r

(Last) (First) (Middle)

10000 ENERGY DRIVE

SUITE 600

(Street)

SPRING TX 77389

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TETRA TECHNOLOGIES INC [ TTI ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr. VP and General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2026

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

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

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

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	02/28/2026		M(1)		19,427	A	$0.00	160,402	D
Common Stock	02/28/2026		F(2)		7,645	D	$8.66	152,757	D
Common Stock								11,584	I	By Spouse

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
Restricted Stock Units	$0.00	02/28/2026		M(1)			19,427	(3)	(3)	Common Stock	19,427	$0.00	38,855	D

Explanation of Responses:

1. Represents vested shares of restricted stock units granted on February 28, 2025. Restricted stock units convert into common stock on a one-for-one basis.

2. Reflects units surrendered to the Issuer for tax withholding purposes upon the vesting of the restricted stock unit granted on February 28, 2025.

3. The remaining unvested portion of this restricted stock unit award will vest every six months until fully vested on February 25, 2028. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock upon vesting of the unit.

Remarks:

	Kimberly M. O'Brien, attorney in fact	03/02/2026
	** 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.