ProPetro CAO nets 1,505 shares from RSU vesting

Chief Accounting Officer Celina A. Davila had RSUs vest into common stock, with a portion of shares withheld to cover tax obligations.

Rhea-AI Filing Summary

ProPetro Holding Corp. (PUMP) reported that Chief Accounting Officer Celina A. Davila settled 1,990 Restricted Stock Units into an equal number of shares of common stock on September 4, 2026. Of these, 485 shares were withheld to pay taxes, and 1,505 shares were delivered to her. After this vesting, she continues to hold 37,837 RSUs directly. No Rule 10b5-1 trading plan is reported for these transactions.

Insider Trade Summary

1,990 shares exercised/converted

Exercise 3 txns

Insider Davila Celina A

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units F2, F4	1,990	$0.00	$0.00
Exercise	Common Stock F1, F2	1,990	--	--
Tax Withholding	Common Stock F3	485	$11.10	$5K

Holdings After Transaction: Restricted Stock Units — 37,837 contracts (Direct); Common Stock — 33,199 shares (Direct)

Footnotes (4)

1. F1. Reflects shares of common stock of the Issuer ("Common Stock") delivered upon vesting and settlement of previously awarded restricted stock units ("RSUs").
2. F2. Each RSU represents a contingent right to receive either one share of Common Stock or an amount of cash equal to the fair market value of one share of Common Stock
3. F3. Reflects shares of Common Stock withheld to satisfy taxes payable in connection with the vesting and settlement of previously awarded RSUs.
4. F4. On September 4, 2023, the reporting person was granted 5,970 RSUs, vesting in three substantially equal annual installments beginning on the first anniversary of the grant date

Key Figures

RSUs vested and settled: 1,990 units Common shares delivered from RSUs: 1,505 shares Shares withheld for taxes: 485 shares +3 more

6 metrics

RSUs vested and settled 1,990 units RSUs converted into common stock on September 4, 2026

Common shares delivered from RSUs 1,505 shares Net shares delivered after tax withholding from 1,990 vested RSUs

Shares withheld for taxes 485 shares Common stock withheld to satisfy tax liability on RSU vesting

Tax withholding price per share $11.10 per share Price used for 485 shares withheld to satisfy taxes

Remaining RSUs held 37,837 units Directly held RSUs after 1,990-unit vesting

RSU grant referenced 5,970 units RSUs granted on September 4, 2023, vesting in three annual installments

Key Terms

Restricted Stock Units, vesting and settlement, withheld to satisfy taxes payable, contingent right

4 terms

Restricted Stock Units financial

"Reflects shares of common stock ... upon vesting and settlement of previously awarded restricted stock units"

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.

vesting and settlement financial

"Reflects shares of common stock ... delivered upon vesting and settlement of previously awarded RSUs"

withheld to satisfy taxes payable financial

"Reflects shares of Common Stock withheld to satisfy taxes payable in connection with the vesting"

contingent right financial

"Each RSU represents a contingent right to receive either one share of Common Stock"

FAQ

What equity transaction did ProPetro (PUMP) report for Celina A. Davila?

ProPetro reported that Chief Accounting Officer Celina A. Davila had 1,990 RSUs vest and settle into 1,990 shares of common stock on September 4, 2026, as part of previously awarded equity compensation.

How many ProPetro (PUMP) shares were withheld for taxes in this Form 4?

The filing states that 485 shares of common stock were withheld at $11.10 per share to satisfy taxes payable in connection with the RSU vesting and settlement.

How many ProPetro (PUMP) shares did Celina A. Davila ultimately receive from the RSU vesting?

From the 1,990 vested RSUs, 1,505 shares of ProPetro common stock were delivered to Celina A. Davila after 485 shares were withheld for tax obligations.

Does the Form 4 indicate any open-market sale or purchase of ProPetro (PUMP) stock?

No. The reported transactions reflect RSU vesting and shares withheld to pay taxes. There is no open-market purchase or sale reported in this Form 4.

How many Restricted Stock Units does Celina A. Davila still hold at ProPetro (PUMP)?

After the vesting of 1,990 RSUs, Celina A. Davila is reported to hold 37,837 Restricted Stock Units directly, which represent additional contingent rights to receive common stock or cash.

Were Celina A. Davila’s ProPetro (PUMP) transactions under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirming a plan, and the footnotes do not state that these transactions were made pursuant to a Rule 10b5-1 trading arrangement.

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Available on EDGAR 09/08/2026 - 04:30 PM Accepted by SEC EDGAR 09/08/2026 - 04:29 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^*

Davila Celina A

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2026

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
Common Stock	09/04/2026		M		1,990(1)	A	(2)	33,684	D
Common Stock	09/04/2026		F		485(3)	D	$11.1	33,199	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
Restricted Stock Units	(2)	09/04/2026		M			1,990	(4)	(4)	Common Stock	1,990	$0	37,837	D

Explanation of Responses:

1. Reflects shares of common stock of the Issuer ("Common Stock") delivered upon vesting and settlement of previously awarded restricted stock units ("RSUs").

2. Each RSU represents a contingent right to receive either one share of Common Stock or an amount of cash equal to the fair market value of one share of Common Stock

3. Reflects shares of Common Stock withheld to satisfy taxes payable in connection with the vesting and settlement of previously awarded RSUs.

4. On September 4, 2023, the reporting person was granted 5,970 RSUs, vesting in three substantially equal annual installments beginning on the first anniversary of the grant date

Remarks:

	/s/ John J. Mitchell, as attorney-in-fact for Celina A. Davila	09/08/2026
	** 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)