Amanda M. Brock - 15 Oct 2025 Form 4 Insider Report for Aris Water Solutions, Inc. (ARIS)

Role: President and CEO, Director
Signature: /s/ Robert W. Hunt Jr., as Attorney-in-Fact
Issuer symbol: ARIS
Transactions as of: 15 Oct 2025
Net transactions value: $0
Form type: 4
Filing time: 15 Oct 2025, 20:59:16 UTC
Previous filing: 09 May 2025
Next filing: 17 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Brock Amanda M	President and CEO, Director	9651 KATY FREEWAY, SUITE 400, HOUSTON	/s/ Robert W. Hunt Jr., as Attorney-in-Fact	15 Oct 2025	0001714868

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ARIS	Class A Common Stock	Disposed to Issuer		-546,299	-100%		0	15 Oct 2025	Direct	F1, F2, F3
transaction	ARIS	Class B Common Stock	Disposed to Issuer		-406,693	-100%		0	15 Oct 2025	Direct	F1, F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ARIS	Aris Water Holdings, LLC Units	Disposed to Issuer		-406,693	-100%		0	15 Oct 2025	Class A Common Stock	406,693		Direct	F1, F2
transaction	ARIS	Performance-Based Restricted Stock Units	Disposed to Issuer		-193,713	-100%		0	15 Oct 2025	Class A Common Stock	193,713	$25.00	Direct	F4
transaction	ARIS	Performance-Based Restricted Stock Units	Disposed to Issuer		-271,188	-100%		0	15 Oct 2025	Class A Common Stock	271,188	$25.00	Direct	F4
transaction	ARIS	Performance-Based Restricted Stock Units	Disposed to Issuer		-92,107	-100%		0	15 Oct 2025	Class A Common Stock	92,107	$25.00	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Amanda M. Brock is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	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 ("Aris OpCo"), each issued and outstanding share of the Issuer's Class A common stock, par value $0.01 per share ("Issuer Class A Common Stock") and each Aris OpCo Unit and a corresponding share of Issuer Class B common stock, par value $0.01 per share ("Issuer Class B 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:
F2	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.
F3	This amount includes 324,532 shares 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.
F4	At the Effective Time, each outstanding award of performance-vesting restricted stock units ("Issuer PSU Awards") held by the Reporting Person 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.