John Schmitz - 16 Jul 2026 Form 4 Insider Report for Select Water Solutions, Inc. (WTTR)

Reporting relationship: President & CEO, Director
Issuer ticker: WTTR
Reported as of: 16 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 Jul 2026, 21:05:18 UTC
Prior SEC filing: 09 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ John D Schmitz by Calla J Hackler, as Attorney-in-Fact

Key filing fact

John Schmitz filed Form 4 for Select Water Solutions, Inc. (WTTR) on 20 Jul 2026.

Key facts

This page summarizes John Schmitz's Form 4 filing for Select Water Solutions, Inc. (WTTR).
10 reported transactions and 9 derivative rows are listed below.
Accepted by SEC: 20 Jul 2026, 21:05.

Change

Previous filing in this sequence was filed on 09 Mar 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/ John D Schmitz by Calla J Hackler, as Attorney-in-Fact
Signature date: 20 Jul 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: +250,000
Change %: +87%
Price: $0.000000^*
Shares after: 536,436
Date: 16 Jul 2026
Ownership: Direct
Footnotes: F1

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 274,138
Date: 16 Jul 2026
Ownership: By GRAT
Footnotes: F2

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 274,137
Date: 16 Jul 2026
Ownership: By GRAT
Footnotes: F3

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 497,924
Date: 16 Jul 2026
Ownership: By GRAT
Footnotes: F4

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 497,924
Date: 16 Jul 2026
Ownership: By GRAT
Footnotes: F5

WTTR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,126
Date: 16 Jul 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: 16 Jul 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: 16 Jul 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: 16 Jul 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: 16 Jul 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: 16 Jul 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: 16 Jul 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: 16 Jul 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: 16 Jul 2026
Ownership: By Family Trust for Child 6

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F7

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F8

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F9

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F10

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F11

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F12

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F13

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F14

WTTR transaction Derivative

Performance Share Units

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
Date: 16 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 125,000
Exercise price
Footnotes: F6, F15

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 15 footnotes

Footnote F1

These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan (the "Plan"), will vest 1/2 on July 16, 2028, and 1/2 on October 1, 2028.

Footnote F10

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2027 to September 30, 2027, and if earned, shall vest on January 1, 2029.

Footnote F11

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2027 to December 31, 2027, and if earned, shall vest on January 1, 2029.

Footnote F12

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2028 to March 31, 2028, and if earned, shall vest on January 1, 2029.

Footnote F13

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2028 to June 30, 2028, and if earned, shall vest on January 1, 2029.

Footnote F14

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2028 to September 30, 2028, and if earned, shall vest on January 1, 2029.

Footnote F15

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2028 to December 31, 2028, and if earned, shall vest on January 1, 2029.

Footnote F2

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 F3

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

Footnote F4

Shares are held directly by the John David Schmitz 2026 Annuity Trust DTD May 19, 2026, of which the reporting person is the trustee.

Footnote F5

Shares are held directly by the Sandra Lee Schmitz 2026 Annuity Trust DTD May 19, 2026, of which the reporting person is the trustee.

Footnote F6

Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

Footnote F7

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2026 to December 31, 2026, and if earned, shall vest on January 1, 2029.

Footnote F8

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2027 to March 31, 2027, and if earned, shall vest on January 1, 2029.

Footnote F9

The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2027 to June 30, 2027, and if earned, shall vest on January 1, 2029.

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