WTTR COO awarded 29,450 shares; 11,589 withheld

Select Water Solutions, Inc. executive vice president and COO Michael Skarke reported equity compensation activity involving Class A common stock.

Rhea-AI Filing Summary

Select Water Solutions, Inc. executive vice president and COO Michael Skarke reported equity compensation activity involving Class A common stock. He acquired 29,450 shares on March 5, 2026, represented by performance share units earned under a February 24, 2023 award after performance conditions were satisfied. To cover related tax obligations upon vesting, 11,589 shares were withheld by the issuer at $14.03 per share, a tax-withholding disposition rather than an open-market sale. Following these transactions, Skarke directly holds 470,738 shares of Class A common stock.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Skarke Michael

Role EVP & COO

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	29,450	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock	11,589	$14.03	$163K

Holdings After Transaction: Class A Common Stock — 470,738 shares (Direct)

Footnotes (2)

1. F1. 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. F2. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did WTTR executive Michael Skarke report?

Michael Skarke reported an equity award vesting and tax withholding. He acquired 29,450 shares from earned performance share units, and 11,589 shares were withheld by Select Water Solutions to satisfy tax obligations tied to that vesting.

Were the WTTR shares acquired by Michael Skarke an open-market purchase?

No, the 29,450 WTTR shares were not an open-market purchase. They represent performance share units earned under a February 24, 2023 award after performance conditions were satisfied and then converted into Class A common stock.

Did Michael Skarke sell WTTR shares in this Form 4 filing?

The filing shows a disposal of 11,589 WTTR shares as a tax-withholding event. These shares were withheld by Select Water Solutions to cover tax liabilities from the vesting, not sold in an open-market transaction.

How many WTTR shares does Michael Skarke own after these transactions?

After the reported award vesting and tax withholding, Michael Skarke directly owns 470,738 shares of Select Water Solutions Class A common stock. This reflects his updated direct holdings following the March 5, 2026 transactions.

What price was used for the WTTR tax-withholding disposition?

The tax-withholding disposition used a price of $14.03 per WTTR share. At this price, 11,589 shares were withheld by Select Water Solutions to satisfy the executive’s tax obligations upon vesting of performance share units.

What was the source of the 29,450 WTTR shares awarded to Skarke?

The 29,450 WTTR shares came from performance share units granted on February 24, 2023. The filing notes that performance conditions under this award were satisfied, leading to the issuance of Class A common stock to the executive.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/09/2026 - 04:50 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^*

Skarke Michael

(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 & COO

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)		29,450	A	$0.00	482,327	D
Class A Common Stock	03/05/2026		F(2)		11,589	D	$14.03	470,738	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/ Skarke, Michael C. 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.