40,374 RSUs awarded to TETRA Technologies (NYSE: TTI) EVP

Rhea-AI Filing Summary

SANDERSON MATTHEW reported acquisition or exercise transactions in this Form 4 filing.

TETRA Technologies Executive Vice President Matthew Sanderson received a grant of 40,374 restricted stock units (RSUs) on February 18, 2026. Each RSU represents the right to receive one share of TETRA common stock upon vesting, and the company’s stock closed at $11.15 on the grant date.

The award was granted under the TETRA Technologies, Inc. Third Amended and Restated 2018 Equity Incentive Plan. One-third of the RSUs will vest on February 18, 2027, and one-sixth will vest on each August 25 and February 25 thereafter until the award is fully vested on February 25, 2029, subject to his continued service. Vested units will be settled in shares, cash, or a combination at the company’s discretion.

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

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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^*

SANDERSON MATTHEW

(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)
	Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
02/18/2026

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

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(1)	02/18/2026		A		40,374		(2)	02/25/2029	Common Stock	40,374	$0.00	40,374	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents the contingent right to receive one share of Issuer's common stock upon vesting of the unit. The closing price of the Issuer's common stock on the date of this RSU award was $11.15.

2. The RSU was granted pursuant to the TETRA Technologies, Inc. Third Amended and Restated 2018 Equity Incentive Plan. One-third of the award will vest on February 18, 2027 and one-sixth of the award will vest on each August 25th and February 25th thereafter until fully vested on February 25, 2029, subject to continued service with the Issuer on each respective vesting date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the RSUs in cash, or a combination of shares and cash, in the Issuer's sole discretion.

Remarks:

	Kimberly M. O'Brien, attorney in fact	02/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What did TETRA Technologies (TTI) report in this Form 4 filing?

TETRA Technologies reported a grant of 40,374 restricted stock units to Executive Vice President Matthew Sanderson. These RSUs vest over time and can be settled in shares, cash, or a combination at the company’s discretion, aligning his compensation with long-term company performance.

How many restricted stock units were granted to the TTI Executive Vice President?

Matthew Sanderson received 40,374 restricted stock units. Each RSU represents the contingent right to one share of TETRA common stock upon vesting, creating potential future ownership if vesting conditions are met and the company chooses to settle in shares rather than cash.

What is the vesting schedule for Matthew Sanderson’s TTI RSU award?

One-third of the 40,374 RSUs will vest on February 18, 2027. The remaining units vest in equal one-sixth installments on each August 25 and February 25 until February 25, 2029, conditioned on Sanderson’s continued service with TETRA Technologies.

At what stock price were the TTI RSUs granted to the Executive Vice President?

The closing price of TETRA Technologies common stock on the RSU grant date was $11.15 per share. This price provides a reference point for the award’s initial notional value, though ultimate value depends on future stock performance and the company’s settlement choice.

Under which equity plan were the TTI RSUs granted to Matthew Sanderson?

The RSUs were granted under the TETRA Technologies, Inc. Third Amended and Restated 2018 Equity Incentive Plan. This plan governs equity-based awards for eligible participants, tying compensation to company performance through stock-linked incentives like restricted stock units.

How will Matthew Sanderson’s TTI RSUs be settled at vesting?

Upon vesting, the RSUs will be settled on the applicable settlement date. TETRA Technologies may deliver shares, cash, or a combination, in its sole discretion, which influences whether the award results in new share issuance or primarily cash-based compensation.