Sec Form 4 Filing - Spriggs Jeremy @ ProFrac Holding Corp. - 2026-04-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Spriggs Jeremy 2. Issuer Name and Ticker or Trading Symbol ProFrac Holding Corp. [ ACDC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Operations Officer (Last) (First) (Middle) 333 SHOPS BLVD, SUITE 301 3. Date of Earliest Transaction (MM/DD/YY) 04/07/2026 (Street) WILLOW PARK, TX76087 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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, par value $0.01 per share 04/07/2026 A 150,000 ( 1 ) A $ 0 150,000 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Spriggs Jeremy 333 SHOPS BLVD, SUITE 301 WILLOW PARK, TX76087 Chief Operations Officer Signatures /s/ Steven Scrogham, Attorney-in-Fact 04/09/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects performance-based restricted stock units ("RSUs") granted under the ProFrac Holding Corp. 2022 Long Term Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock, par value $0.01 per share if certain performance criteria are met. Following April 7, 2027, the RSUs will vest as to the following percentages when the following stock price targets have been achieved: 10% of the RSUs, when the average of the daily volume-weighted average price per share of the Company's Class A common stock over the most recent 30 trading days (the "VWAP Threshold") equals or exceeds $7.00, 25% of the RSUs, when the VWAP Threshold equals or exceeds $10.00, 25% of the RSUs, when the VWAP Threshold equals or exceeds $14.00, and 40% of the RSUs, when the VWAP Threshold equals or exceeds $18.00. The Reporting Person must also remain continuously employed by and in good standing with the Company or an affiliate on each applicable vesting 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).

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