[Form 4] Aris Water Solutions, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Aris Water Solutions (ARIS) reported an insider transaction by its Chief Operating Officer on 10/15/2025 tied to the closing of its merger with Western Midstream Partners, LP. The officer disposed of 85,656 shares of Class A common stock as each share was converted at the merger’s effective time into the right to receive either $7.00 + 0.450 Parent common units, $25.00 in cash, or 0.625 Parent common units, per the holder’s election.

Equity awards were also settled in cash: time‑vesting RSUs converted to cash equal to the shares subject to the award multiplied by $25.00 plus accrued dividend equivalents. Performance‑based RSUs covering 26,779 and 15,361 underlying shares were similarly converted to cash at $25.00 per share equivalent, plus dividend equivalents, based on performance as defined in the plan.

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

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X

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^*

Van Brunt David Dylan

(Last) (First) (Middle)

9651 KATY FREEWAY

SUITE 400

(Street)

HOUSTON TX 77024

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Aris Water Solutions, Inc. [ ARIS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2025

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	10/15/2025		D(1)(2)(3)		85,656(1)(2)(3)	D	(1)(2)(3)	0	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
Performance-Based Restricted Stock Units	$25	10/15/2025		D			26,779	(4)	12/31/2025	Class A Common Stock	26,779	(4)	0	D
Performance-Based Restricted Stock Units	$25	10/15/2025		D			15,361	(4)	12/31/2027	Class A Common Stock	15,361	(4)	0	D

Explanation of Responses:

1. As of the effective time (the "Effective Time") of the transactions contemplated by the Agreement and Plan of Merger entered into on August 6, 2025, by and among the Issuer, Western Midstream Partners, LP ("Parent"), Arrakis OpCo Merger Sub LLC, Arrakis Holdings Inc., Arrakis Unit Merger Sub LLC, Arrakis Cash Merger Sub LLC and Aris Water Holdings, LLC, each issued and outstanding share of the Issuer's Class A common stock, par value $0.01 per share ("Issuer Class A Common Stock") held by the Reporting Person as of immediately prior to the Effective Time, was converted into the right to receive, pursuant to an election made by the Reporting Person, one of the following forms of consideration:

2. cont'd from Footnote 1: (i) $7.00 in cash (without interest) and 0.450 common units representing limited partnership interests in Parent ("Parent Common Units"); (ii) $25.00 in cash (without interest); (iii) 0.625 Parent Common Units ("Common Unit Election Consideration"), or (iv) in the event of the Reporting Person's failure to timely deliver an election, the Common Unit Election Consideration.

3. Consists of Issuer Class A Common Stock subject to awards of time-vesting restricted stock units ("Issuer RSU Awards") held by the Reporting Person. At the Effective Time, each Issuer RSU Award was converted into the right to receive an amount in cash equal to (i) the total number of shares of Issuer Class A Common Stock subject to such Issuer RSU Award, multiplied by (ii) $25.00, plus an additional amount in cash equal to any accrued but unpaid cash-based dividend equivalents.

4. At the Effective Time, each outstanding award of performance-vesting restricted stock units ("Issuer PSU Awards") held by the Reporting Person as of immediately prior to the Effective Time was converted into the right to receive an amount in cash equal to (i) the total number of shares of Issuer Class A Common Stock subject to such Aris PSU Award (assuming that any performance-based vesting conditions applicable to such Issuer PSU Award were achieved at the greater of (x) the target level of performance and (y) the greater of the actual level of performance through (1) August 13, 2025, and (2) the Effective Time), multiplied by (ii) $25.00, plus an additional amount in cash equal to any accrued but unpaid dividend equivalents.

	/s/ Robert W. Hunt Jr., as Attorney-in-Fact	10/15/2025
	** 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.
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FAQ

What did ARIS’s COO report on Form 4 for 10/15/2025?

A disposition of 85,656 Class A shares and cash settlement of performance‑based RSUs in connection with the merger closing.

What merger consideration applied to ARIS shares?

Per share: $7.00 + 0.450 Western Midstream units, or $25.00 cash, or 0.625 units, based on the holder’s election.

How were ARIS performance‑based RSUs treated?

Awards for 26,779 and 15,361 underlying shares converted to cash at $25.00 per share equivalent, plus dividend equivalents.

How were time‑vesting RSUs treated?

They converted into cash equal to the shares subject to the award times $25.00, plus any accrued cash‑based dividend equivalents.

Who is the merger counterparty for ARIS?

The counterparty is Western Midstream Partners, LP through affiliated merger subsidiaries.

Did the reporting person retain ARIS shares after the transaction?

No. The Form 4 shows 0 shares and 0 derivative securities beneficially owned following the reported transactions.