[Form 4] Solaris Oilfield Infrastructure, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Walker Ray N. Jr., a director of Solaris Energy Infrastructure, Inc. (SEI), was granted 5,696 shares of Class A common stock under the company’s Long Term Incentive Plan on 08/23/2025. The award is a restricted stock award that was issued at a price of $0 and vests in full on the first anniversary of the grant date. After the grant, the reporting person beneficially owns 62,601 shares of Class A common stock, which includes the 5,696 restricted shares that remain subject to vesting. The Form 4 was signed by an attorney-in-fact on 08/26/2025.

Positive

• 5,696 restricted shares granted under the Long Term Incentive Plan, demonstrating equity-based compensation alignment
• Acquired at $0, reflecting a standard restricted stock award rather than a purchase
• Total beneficial ownership increased to 62,601 shares, disclosed clearly on the Form 4

Negative

• None.

Insights

Securities Analyst

TL;DR: Director received a restricted award of 5,696 Class A shares at $0, increasing beneficial ownership to 62,601 shares.

The transaction is a routine, non-cash equity-based compensation grant under the company’s Long Term Incentive Plan. The award vests in full after one year, indicating time-based retention rather than an immediate transfer of liquid shares. The filing discloses no sales or derivative transactions and does not indicate any change in control or material event beyond the grant.

Corporate Governance Expert

TL;DR: This Form 4 documents a standard restricted stock award to a board director with one-year vesting.

From a governance perspective, the grant aligns with common director compensation practices where equity awards vest over time. The filing clearly states the award terms and resulting ownership. There is no evidence in this Form 4 of accelerated vesting, transfers, or hedging arrangements that would raise governance concerns.

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

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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^*

Walker Ray N JR

(Last) (First) (Middle)

9651 KATY FREEWAY

SUITE 300

(Street)

HOUSTON TX 77024

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Solaris Energy Infrastructure, Inc. [ SEI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/23/2025

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	08/23/2025		A		5,696(1)	A	$0	62,601(2)	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

Explanation of Responses:

1. Restricted Stock Award pursuant to the Solaris Energy Infrastructure, Inc. Long Term Incentive Plan. The award vests in full on the first anniversary of the grant date.

2. Includes 5,696 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

	/s/ Christopher M. Powell, Attorney-in-Fact	08/26/2025
	** 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.
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.

FAQ

What did Walker Ray N. Jr. report on the Form 4 for SEI?

The Form 4 reports a restricted stock award of 5,696 Class A shares granted on 08/23/2025, increasing beneficial ownership to 62,601 shares.

What are the vesting terms of the restricted shares reported on the Form 4?

The restricted stock award vests in full on the first anniversary of the grant date, per the filing.

What price was paid for the shares reported on the Form 4?

The restricted shares were issued at a price of $0, as stated in the Form 4.

Does the Form 4 show any sales or dispositions by the reporting person?

No; the Form 4 shows an acquisition of restricted shares and lists no dispositions or derivative transactions.

When was the Form 4 signed and filed?

The signature by the attorney-in-fact is dated 08/26/2025 on the Form 4.