Select Water Solutions (WTTR) EVP gets PSU shares, withholds stock for taxes

Rhea-AI Filing Summary

Select Water Solutions, Inc. executive Michael James Lyons reported two equity-related transactions involving Class A Common Stock. On the same date, he acquired 10,602 shares at no cost through the vesting of performance share units granted in February 2023 after performance conditions were met. In a separate transaction, 3,430 shares at $14.03 per share were withheld by the company to cover tax obligations arising from the PSU vesting. Following these transactions, he directly held 144,595 shares.

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^*

Lyons Michael James

(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, CSO & CTO

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)		10,602	A	$0.00	148,025	D
Class A Common Stock	03/05/2026		F(2)		3,430	D	$14.03	144,595	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 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/ Michael James Lyons 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 Michael James Lyons report?

Michael James Lyons reported acquiring 10,602 shares of Select Water Solutions Class A Common Stock through vested performance share units and a related disposition of 3,430 shares withheld to satisfy tax obligations, both occurring on the same transaction date and reported as direct ownership.

How many WTTR shares did Michael James Lyons acquire in this Form 4?

He acquired 10,602 shares of Class A Common Stock at no cost, represented by performance share units earned under a February 24, 2023 award after performance conditions were satisfied, increasing his directly owned stake before tax withholding-related share disposition.

Why were some WTTR shares disposed of in Michael James Lyons’ filing?

The 3,430 disposed shares represent stock withheld by Select Water Solutions to cover Michael James Lyons’ tax withholding obligations triggered when his performance share units vested, rather than an open-market sale, at a reported price of $14.03 per share.

What is Michael James Lyons’ WTTR share ownership after these transactions?

After the grant and tax-withholding disposition, Michael James Lyons directly owns 144,595 shares of Select Water Solutions Class A Common Stock, as reported in the Form 4, reflecting his updated post-transaction beneficial ownership position in the company.

What type of award generated the new WTTR shares for Michael James Lyons?

The new shares came from performance share units granted on February 24, 2023. These PSUs were earned when specified performance conditions were satisfied, converting into 10,602 shares of Class A Common Stock that were then delivered to Michael James Lyons.