ProPetro director receives 9,101 RSUs award

BEST ANTHONY JAMES reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BEST ANTHONY JAMES reported acquisition or exercise transactions in this Form 4 filing.

ProPetro Holding Corp. director Anthony James Best reported a grant of 9,101 restricted stock units (RSUs). The award was made on May 20, 2026 and represents a form of equity-based compensation rather than an open-market share purchase or sale.

Each RSU gives him a contingent right to receive either one share of ProPetro common stock or cash equal to the fair market value of one share, as described in the terms of the grant. All 9,101 RSUs will vest in full on the earlier of the day immediately preceding ProPetro’s 2027 annual stockholder meeting and May 20, 2027, aligning his compensation with future company performance. Following this grant, his reported derivative holdings consist of these 9,101 RSUs.

Insider Trade Summary

Grant/Award: 9,101 shares

Grant/Award 1 txn

Insider BEST ANTHONY JAMES

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	9,101	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 9,101 contracts (Direct)

Footnotes (1)

1. F1. Each Restricted Stock Unit ("RSU") represents a contingent right to receive either one share of the Issuer's common stock ("Common Stock") or an amount of cash equal to the fair market value of one share of Common Stock. The RSUs will vest in full upon the earlier to occur of the day immediately preceding the Issuer's annual meeting of stockholders in 2027 and May 20, 2027.

Key Figures

RSUs granted: 9,101 units Underlying shares: 9,101 shares Exercise price: $0.00 per unit +1 more

4 metrics

RSUs granted 9,101 units Equity award to director on May 20, 2026

Underlying shares 9,101 shares Common stock underlying the RSU grant

Exercise price $0.00 per unit RSUs granted at no purchase price

Vesting horizon By May 20, 2027 Earlier of pre-2027 annual meeting or May 20, 2027

Key Terms

Restricted Stock Units, contingent right, fair market value, vest in full

4 terms

Restricted Stock Units financial

"Each Restricted Stock Unit ("RSU") represents a contingent right to receive either one share..."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"represents a contingent right to receive either one share of the Issuer's common stock..."

fair market value financial

"or an amount of cash equal to the fair market value of one share of Common Stock."

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

vest in full financial

"The RSUs will vest in full upon the earlier to occur of the day immediately preceding..."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ProPetro (PUMP) director Anthony Best report?

Anthony Best reported receiving 9,101 restricted stock units as equity compensation. The RSUs were granted on May 20, 2026 and give a contingent right to company shares or cash, rather than reflecting an open-market stock purchase or sale.

How many ProPetro RSUs were granted to Anthony Best in this Form 4?

The filing shows a grant of 9,101 restricted stock units to director Anthony Best. These RSUs each represent a right to one share of common stock or equivalent cash value, subject to vesting conditions tied to the company’s 2027 annual stockholder meeting or May 20, 2027.

When do Anthony Best’s ProPetro RSUs from this grant vest?

All 9,101 RSUs will vest in full on the earlier of the day immediately preceding ProPetro’s 2027 annual stockholder meeting and May 20, 2027. Vesting must occur before RSUs convert into common stock or an equivalent cash payment under the award terms.

Is Anthony Best’s ProPetro Form 4 transaction a stock buy or sale?

The Form 4 reflects an equity award, not a market trade. Anthony Best received 9,101 restricted stock units as compensation, coded as an acquisition (grant/award), with no reported open-market purchase or sale of ProPetro common shares in this transaction.

What does each ProPetro RSU granted to Anthony Best represent?

Each restricted stock unit represents a contingent right to receive either one share of ProPetro common stock or cash equal to that share’s fair market value. The actual settlement occurs after vesting, based on the award’s terms described in the Form 4 footnote.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/21/2026 - 04:04 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
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^*

BEST ANTHONY JAMES

(Last) (First) (Middle)

ONE MARIENFELD PLACE

110 N. MARIENFELD STREET, SUITE 300

(Street)

MIDLAND TEXAS 79701

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ProPetro Holding Corp. [ PUMP ]

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)
05/20/2026

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

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
Restricted Stock Units	(1)	05/20/2026		A		9,101		(1)	(1)	Common Stock	9,101	$0	9,101	D

Explanation of Responses:

1. Each Restricted Stock Unit ("RSU") represents a contingent right to receive either one share of the Issuer's common stock ("Common Stock") or an amount of cash equal to the fair market value of one share of Common Stock. The RSUs will vest in full upon the earlier to occur of the day immediately preceding the Issuer's annual meeting of stockholders in 2027 and May 20, 2027.

Remarks:

	/s/ John J. Mitchell, as attorney-in-fact for Anthony James Best	05/21/2026
	** 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)