John Schmitz - 05 Mar 2026 Form 4 Insider Report for Select Water Solutions, Inc. (WTTR)

Reporting relationship: President & CEO, Director
Issuer ticker: WTTR
Reported as of: 05 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 09 Mar 2026, 16:48:36 UTC
Prior SEC filing: 25 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Schmitz, John D by Calla Hackler, as Attorney-in-Fact

Key filing fact

John Schmitz filed Form 4 for Select Water Solutions, Inc. (WTTR) on 09 Mar 2026.

Key facts

This page summarizes John Schmitz's Form 4 filing for Select Water Solutions, Inc. (WTTR).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 09 Mar 2026, 16:48.

Change

Previous filing in this sequence was filed on 25 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001539285 Primary reporting owner

Schmitz John

Relationship: President & CEO, Director
Address: 1820 N I-35, GAINESVILLE
Signature: /s/ Schmitz, John D by Calla Hackler, as Attorney-in-Fact
Signature date: 09 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WTTR transaction

Class A Common Stock

Award

Transaction value
Shares: +125,590
Change %: +13%
Price: $0.000000^*
Shares after: 1,066,454
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F1

WTTR transaction

Class A Common Stock

Tax liability

Transaction value
Shares: -49,420
Change %: -4.6%
Price: $14.03^*
Shares after: 1,017,034
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F2

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 265,250
Date: 05 Mar 2026
Ownership: By Spouse

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 274,138
Date: 05 Mar 2026
Ownership: By GRAT
Footnotes: F3

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 274,137
Date: 05 Mar 2026
Ownership: By GRAT
Footnotes: F4

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,126
Date: 05 Mar 2026
Ownership: By B-29 GP, LLC

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 249,243
Date: 05 Mar 2026
Ownership: By B-29 Investments, LP

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,496,626
Date: 05 Mar 2026
Ownership: By Family Trust

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 31,372
Date: 05 Mar 2026
Ownership: By Family Trust for Child 1

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 31,373
Date: 05 Mar 2026
Ownership: By Family Trust for Child 2

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 31,373
Date: 05 Mar 2026
Ownership: By Family Trust for Child 3

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 31,372
Date: 05 Mar 2026
Ownership: By Family Trust for Child 4

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 31,373
Date: 05 Mar 2026
Ownership: By Family Trust for Child 5

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 31,373
Date: 05 Mar 2026
Ownership: By Family Trust for Child 6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote 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.

Footnote F3

Shares are held directly by the John David Schmitz 2024 Annuity Trust DTD November 13, 2024, of which the reporting person is the trustee.

Footnote F4

Shares are held directly by the Sandra Lee Schmitz 2024 Annuity Trust DTD November 13, 2024, of which the reporting person is the trustee.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .