Solaris Energy (SEI) president gets stock awards, shares withheld for tax

Rhea-AI Filing Summary

Solaris Energy Infrastructure, Inc. President Ramachandran Kyle S. reported equity compensation changes and related tax withholding. On March 1, 2026, he acquired 37,004 and 50,339 shares of Class A common stock as restricted and performance-based stock awards granted at $0.00 per share under the company’s Long Term Incentive Plan. A separate entry shows 49,902 Class A shares disposed of at $49.63 per share to cover tax obligations upon vesting, rather than an open-market sale. Footnotes note that some awards vest over three years and that Solaris LLC units and Class B shares are exchangeable into Class A stock under the Solaris LLC Agreement.

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^*

Ramachandran Kyle S.

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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	03/01/2026		A		37,004(1)	A	$0	407,342	D
Class A Common Stock	03/01/2026		A		50,339(2)	A	$0	457,681	D
Class A Common Stock	03/01/2026		F		49,902(3)	D	$49.63	407,779(4)	D
Class B Common Stock(5)								489,511	D
Class B Common Stock(5)								57,166	I	401(k) Plan

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
Solaris Energy Infrastructure, LLC Units	(6)							(6)	(6)	Class A Common Stock	489,511		489,511	D
Solaris Energy Infrastructure, LLC Units	(6)							(6)	(6)	Class A Common Stock	57,166		57,166	I	401(k) Plan

Explanation of Responses:

1. Restricted Stock Award granted pursuant to the Solaris Energy Infrastructure, Inc. Long Term Incentive Plan on the date indicated. The award vests in three equal installments on the first three anniversaries of the grant date.

2. Reflects the vesting and settlement of shares that relate to multiple Performance-Based Restricted Stock Unit (PSU) awards granted pursuant to the Solaris Energy Infrastructure, Inc. Long Term Incentive Plan. The PSUs which were originally granted on March 1, 2023, March 1, 2024 and March 1, 2025 vested and were settled based on the Issuer's level of achievement with respect to the applicable performance goals.

3. Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted Restricted Stock Awards and Performance-Based Restricted Stock Awards.

4. Includes 115,190 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

5. Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

6. Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

Remarks:

	/s/ Christopher M. Powell, Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
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FAQ

What did Solaris Energy (SEI) President Ramachandran Kyle S. report in this Form 4?

He reported new equity awards and related tax withholding. Two Class A stock grants were received at no cost, and a separate share disposition covered tax obligations tied to vesting of previously granted restricted and performance-based awards.

How many Class A shares did SEI’s president acquire through equity awards?

He acquired 37,004 and 50,339 Class A common shares through grants. These awards were issued at $0.00 per share under Solaris Energy Infrastructure’s Long Term Incentive Plan as restricted and performance-based stock awards subject to vesting conditions.

Why were some Solaris Energy (SEI) shares disposed of in this filing?

The filing shows 49,902 Class A shares disposed of at $49.63 per share. Footnotes explain these were withheld by the company to satisfy tax withholding obligations on vesting, not an open-market sale by the president.

What vesting terms apply to the new Solaris Energy restricted stock awards?

One restricted stock award vests in three equal installments on the first three anniversaries of the grant date. Other shares reflect vested and settled performance-based stock units that depended on the issuer’s achievement of specified performance goals over prior periods.

How are Solaris LLC Units and Class B stock related to SEI Class A shares?

Footnotes state each Class B share has voting rights but no economic rights. Under the Solaris LLC Agreement, Solaris LLC Units plus matching Class B shares can be exchanged from time to time for Class A common stock of Solaris Energy Infrastructure.

Does the SEI president still hold unvested restricted Class A stock after this Form 4?

Yes. A footnote discloses 115,190 Class A shares remain subject to previously granted restricted stock awards. These shares are still unvested and continue to be governed by their original vesting schedules under the Long Term Incentive Plan.