Select Water Solutions (WTTR) EVP receives stock award and withholds shares for taxes

Rhea-AI Filing Summary

Select Water Solutions EVP Cody Ortowski reported equity compensation activity involving Class A Common Stock. On March 5, 2026, he acquired 27,561 shares at $0.00 per share as a grant/award earned from performance share units originally granted on February 24, 2023, after satisfying performance conditions.

On the same date, 10,846 shares were disposed of at $14.03 per share to cover tax withholding obligations upon vesting of those performance share units. Following these transactions, he held 419,087 shares directly and 1,120,437 shares indirectly through Proactive Investments, LP.

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

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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^*

Ortowski Cody

(Last) (First) (Middle)

1820 N I-35

(Street)

GAINESVILLE TX 76240

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Select Water Solutions, Inc. [ WTTR ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Business Strategy

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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
Class A Common Stock	03/05/2026		A(1)		27,561	A	$0.00	429,933	D
Class A Common Stock	03/05/2026		F(2)		10,846	D	$14.03	419,087	D
Class A Common Stock								1,120,437	I	By Proactive Investments, LP

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 reported shares are represented by performance share units ("PSUs") earned pursuant to the terms of a performance share unit award granted on February 24, 2023, to the reporting person for which the performance conditions were satisfied.

2. Represents shares to be withheld by Select Water Solutions, Inc., a Delaware corporation ("the Issuer") to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs.

Remarks:

	/s/ Ortowski, Cody J by Calla Hackler, as Attorney-in-Fact	03/09/2026
	** 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.

FAQ

What insider transactions did WTTR executive Cody Ortowski report?

Cody Ortowski reported a stock award and related tax withholding. He received 27,561 Class A shares from vested performance share units and had 10,846 shares withheld and disposed of at $14.03 per share to satisfy tax obligations tied to that vesting.

How many Select Water Solutions (WTTR) shares did Ortowski acquire and at what price?

Ortowski acquired 27,561 Class A Common shares at $0.00 per share. These shares came from earned performance share units granted February 24, 2023, after performance goals were met, reflecting non-cash equity compensation rather than an open-market purchase.

Why were some WTTR shares disposed of in Cody Ortowski’s Form 4 filing?

10,846 WTTR shares were disposed of to cover tax withholding obligations. These shares were withheld by Select Water Solutions when performance share units vested, reflecting a tax-withholding disposition rather than a discretionary market sale by the executive.

What is Cody Ortowski’s direct shareholding in WTTR after these transactions?

After the reported transactions, Ortowski directly held 419,087 shares of Class A Common Stock. This figure reflects the net result of the 27,561-share award acquisition and the 10,846-share tax-withholding disposition recorded on March 5, 2026.

Does Cody Ortowski have indirect ownership of WTTR shares?

Yes. In addition to his direct holdings, the filing shows 1,120,437 WTTR Class A shares held indirectly through Proactive Investments, LP. This represents indirect beneficial ownership separate from the executive’s directly held 419,087 shares after the reported transactions.

What are the performance share units mentioned in WTTR’s Form 4 for Ortowski?

The performance share units were an equity award granted on February 24, 2023. They converted into 27,561 WTTR shares once performance conditions were satisfied, creating a non-cash stock award and triggering the related tax-withholding share disposition.