# EDGAR Filing Document

**Accession Number:** 0001539285
**File Stem:** 0001539285-26-000003
**Filing Date:** 2026-2
**Character Count:** 8757
**Document Hash:** efbed621b77ef92f6120b64ad70a8082
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001539285-26-000003.hdr.sgml**: 20260210

**ACCESSION NUMBER**: 0001539285-26-000003

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260206

**FILED AS OF DATE**: 20260210

**DATE AS OF CHANGE**: 20260210

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Schmitz John
- **CENTRAL INDEX KEY:** 0001539285

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 26618103

**MAIL ADDRESS:**
- **STREET 1:** C/O SELECT WATER
- **STREET 2:** 1820 N I-35
- **CITY:** GAINESVILLE
- **STATE:** TX
- **ZIP:** 76240
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Select Water Solutions, Inc.
- **CENTRAL INDEX KEY:** 0001693256
- **STANDARD INDUSTRIAL CLASSIFICATION:** OIL, GAS FIELD SERVICES, NBC [1389]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 814561945
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1820 NORTH I-35
- **CITY:** GAINESVILLE
- **STATE:** TX
- **ZIP:** 76240
- **BUSINESS PHONE:** (940) 668-1818

**MAIL ADDRESS:**
- **STREET 1:** 1820 NORTH I-35
- **CITY:** GAINESVILLE
- **STATE:** TX
- **ZIP:** 76240

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Select Energy Services, Inc.
- **DATE OF NAME CHANGE:** 20161227

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[x] 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**<sup>*</sup><br>Schmitz John<br><sub>(Last) (First) (Middle)</sub><br>1820 N I-35<br><sub>(Street)</sub><br>GAINESVILLE, TX 76240<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-06 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President & CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Water Solutions, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2026-02-06 |  | S |  | 16841.00<sup>(1)</sup> | D | 13.01<sup>(2)</sup> | 283159.00 | I | By B-29 Investments, LP |
| Class A Common Stock | 2026-02-09 |  | S |  | 33916.00<sup>(1)</sup> | D | 13.03<sup>(3)</sup> | 249243.00 | I | By B-29 Investments, LP |
| Class A Common Stock | 2026-02-09 |  | A<sup>(4)</sup> |  | 91154.00 | A | $0.00 | 635598.00 | D |  |
| Class A Common Stock | 2026-02-09 |  | F<sup>(5)</sup> |  | 36116.00 | D | $12.96 | 599482.00 | D |  |
| Class A Common Stock |  |  |  |  |  |  |  | 539388.00 | I | By GRAT<sup>(6)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 539387.00 | I | By GRAT<sup>(7)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 13126.00 | I | By B-29 GP, LLC |
| Class A Common Stock |  |  |  |  |  |  |  | 1496626.00 | I | By Family Trust |
| Class A Common Stock |  |  |  |  |  |  |  | 31372.00 | I | By Family Trust for Child 1 |
| Class A Common Stock |  |  |  |  |  |  |  | 31373.00 | I | By Family Trust for Child 2 |
| Class A Common Stock |  |  |  |  |  |  |  | 31373.00 | I | By Family Trust for Child 3 |
| Class A Common Stock |  |  |  |  |  |  |  | 31372.00 | I | By Family Trust for Child 4 |
| Class A Common Stock |  |  |  |  |  |  |  | 31373.00 | I | By Family Trust for Child 5 |
| Class A Common Stock |  |  |  |  |  |  |  | 31373.00 | I | By Family Trust for Child 6 |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The sales reported in this Form 4 were effected pursuant to the 10b5-1 trading plan adopted by the Reporting Person on November 11, 2024.

(2) The transaction was executed in multiple trades at prices ranging from $13 USD to $13.0500 USD, the price reported above reflects the weighted average sale price.  The Reporting Person undertakes to provide Select Water Solutions, Inc., a Delaware corporation (the "Issuer"), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon receipt, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

(3) The transaction was executed in multiple trades at prices ranging from $13 USD to $13.1000 USD, the price reported above reflects the weighted average sale price.  The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon receipt, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

(4) 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.

(5) Represents shares to be withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs.

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

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

**Signature:** /s/ Schmitz, John D by Calla Hackler, as Attorney-in-Fact  
**Date:** 2026-02-10

### Remarks:

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.**