ProFrac director granted $150K in RSUs

Krylov Sergei reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Krylov Sergei reported acquisition or exercise transactions in this Form 4 filing.

ProFrac Holding Corp. director Sergei Krylov received a grant of 22,421 restricted stock units (RSUs) of Class A common stock under the company’s 2022 Long Term Incentive Plan. The RSUs have a total grant date fair value of $150,000 and vest in full on May 27, 2027, contingent on his continued Board service. Following this award, he beneficially owns 95,909 Class A shares directly.

Insider Trade Summary

Grant/Award: 22,421 shares

Grant/Award 1 txn

Insider Krylov Sergei

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock, par value $0.01	22,421	$0.00	$0.00

Holdings After Transaction: Class A Common Stock, par value $0.01 — 95,909 shares (Direct)

Footnotes (1)

1. F1. Reflects restricted stock units ("RSUs") granted to the reporting person 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. The RSUs were granted with a total grant date fair value of $150,000, as approved by the Compensation Committee, with an effective grant date of May 27, 2026. The RSUs vest in full on May 27, 2027, the first anniversary of the grant date, subject to the reporting person's continued service on the Board through the vesting date.

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Accepted by SEC EDGAR 05/29/2026 - 05:00 PM Learn about SEC filing dates

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
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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^*

Krylov Sergei

(Last) (First) (Middle)

C/O PROFRAC HOLDING CORP.

333 SHOPS BOULEVARD, SUITE 301

(Street)

WILLOW PARK TEXAS 76087

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ProFrac Holding Corp. [ ACDC ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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, par value $0.01	05/27/2026		A		22,421(1)	A	$0	95,909	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. Reflects restricted stock units ("RSUs") granted to the reporting person 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. The RSUs were granted with a total grant date fair value of $150,000, as approved by the Compensation Committee, with an effective grant date of May 27, 2026. The RSUs vest in full on May 27, 2027, the first anniversary of the grant date, subject to the reporting person's continued service on the Board through the vesting date.

	/s/ Steven Scrogham, Attorney-in-Fact	05/29/2026
	** 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.
* Form 4: SEC 1474 (03-26)