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

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Solaris Energy Infrastructure, Inc. director and Chief Administrative Officer Cynthia M. Durrett reported equity compensation and related tax withholding on Class A common stock. She received a 21,444-share Restricted Stock Award that vests in three equal annual installments and 28,871 shares from the vesting and settlement of multiple performance-based restricted stock unit awards tied to prior performance goals.

To cover tax obligations on these vestings, 26,940 shares were withheld by the company at $49.63 per share. After these transactions, she directly held 154,527 shares of Class A common stock, including 63,581 unvested restricted shares. She also directly holds Solaris Energy Infrastructure, LLC units and matching Class B common stock, which carry voting rights but no economic rights and are exchangeable with the LLC units into Class A shares under the Solaris LLC agreement.

Positive

  • None.

Negative

  • None.

Insights

Routine equity awards and tax withholding with no clear thesis change.

Cynthia M. Durrett’s Form 4 reflects standard long-term incentive activity at Solaris Energy Infrastructure, Inc. She received 21,444 restricted shares and 28,871 performance-based shares that vested based on previously defined goals under the company’s long term incentive plan.

The company withheld 26,940 shares at $49.63 per share to satisfy tax obligations, a common structure that avoids out-of-pocket cash payments by the executive. Following these transactions, Durrett’s direct Class A holdings rose to 154,527 shares, including 63,581 unvested restricted shares.

The filing also notes direct holdings of Solaris Energy Infrastructure, LLC units and corresponding Class B shares that are exchangeable into Class A stock under the Solaris LLC agreement, indicating an additional potential equity stake. Overall, these actions appear to be routine compensation and tax events rather than a discretionary open-market buy or sell.

Insider Durrett Cynthia M.
Role Chief Administrative Officer
Type Security Shares Price Value
Grant/Award Class A Common Stock 21,444 $0.00 --
Grant/Award Class A Common Stock 28,871 $0.00 --
Tax Withholding Class A Common Stock 26,940 $49.63 $1.34M
holding Solaris Energy Infrastructure, LLC Units -- -- --
holding Class B Common Stock -- -- --
Holdings After Transaction: Class A Common Stock — 152,596 shares (Direct); Solaris Energy Infrastructure, LLC Units — 165,038 shares (Direct); Class B Common Stock — 165,038 shares (Direct)
Footnotes (1)
  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. 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. 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. Includes 63,581 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting. Each share of Class B common stock has no economic rights but entitles the holder to one vote on all matters to be voted on by the stockholders generally. 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.
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Form 4 Insider Transactions: What Each Field Means →
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
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
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*
Durrett Cynthia M.
(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
X Officer (give title below) Other (specify below)
Chief Administrative Officer
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 21,444(1) A $0 152,596 D
Class A Common Stock 03/01/2026 A 28,871(2) A $0 181,467 D
Class A Common Stock 03/01/2026 F 26,940(3) D $49.63 154,527(4) D
Class B Common Stock(5) 165,038 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
Solaris Energy Infrastructure, LLC Units (6) (6) (6) Class A Common Stock 165,038 165,038 D
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 63,581 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 the holder to one vote on all matters to be voted on by the 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
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.

Source: View Original Filing on SEC EDGAR