ProPetro CAO to resign; CFO named interim PAO

ProPetro’s Chief Accounting Officer will resign effective October 30, 2026, with the current CFO stepping in as interim principal accounting officer.

Rhea-AI Filing Summary

ProPetro Holding Corp. (PUMP) reported that Chief Accounting Officer and principal accounting officer Celina Davila notified the company on September 16, 2026 of her intention to resign, effective October 30, 2026.

The company states that her resignation is not due to any disagreement regarding operations, policies, accounting principles, financial statement disclosure, or internal control over financial reporting. After that date, Chief Financial Officer Caleb Weatherl will also serve as interim principal accounting officer while the company searches for a new Chief Accounting Officer. The company is not entering into or amending any compensatory arrangements with Weatherl in connection with this interim role and discloses no related-party relationships or transactions requiring additional disclosure.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Notification date of resignation: September 16, 2026 Transition Date: October 30, 2026 Report signature date: September 21, 2026

3 metrics

Notification date of resignation September 16, 2026 Date Celina Davila informed ProPetro of her intention to resign

Transition Date October 30, 2026 Effective date of Celina Davila’s resignation as Chief Accounting Officer

Report signature date September 21, 2026 Date the 8-K was signed on behalf of ProPetro Holding Corp.

Key Terms

principal accounting officer, Regulation S-K, definitive proxy statement

3 terms

principal accounting officer financial

"resign from her position as Chief Accounting Officer and principal accounting officer"

The Principal Accounting Officer is the person responsible for making sure a company's financial records are accurate and follow the rules. They play a key role in preparing financial reports that show how well the company is doing. This helps investors, managers, and regulators trust the company's financial information.

Regulation S-K regulatory

"transactions in which Mr. Weatherl has an interest requiring disclosure under Item 404(a) of Regulation S-K"

A set of U.S. Securities and Exchange Commission rules that tell public companies which narrative and qualitative details must be disclosed in filings, such as risk factors, management discussion, executive pay, legal proceedings and business description. Think of it as a standardized checklist or blueprint that ensures investors get the same types of background information from every company so they can compare risks, management quality and strategy before making investment decisions.

definitive proxy statement regulatory

"included in the Company’s definitive proxy statement, filed with the Securities and Exchange Commission"

A Definitive Proxy Statement is a detailed document that a company sends to its shareholders before a big meeting, like voting on important decisions. It explains what's being voted on and gives important information so shareholders can make informed choices. It matters because it helps shareholders understand and participate in key company decisions.

FAQ

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

Why did ProPetro (PUMP) announce a management change in this 8-K?

The company disclosed that Chief Accounting Officer Celina Davila intends to resign effective October 30, 2026. It also identified how her principal accounting officer responsibilities will be covered after her departure.

When is ProPetro’s Chief Accounting Officer leaving the company?

Celina Davila notified the company on September 16, 2026 of her intention to resign as Chief Accounting Officer and principal accounting officer, with her resignation effective on October 30, 2026, referred to as the Transition Date.

Did ProPetro (PUMP) report any disagreements related to the CAO’s resignation?

No. ProPetro states that Ms. Davila’s resignation was not the result of any disagreement on operations, policies, accounting principles, financial statement disclosure, or internal control over financial reporting.

Who will serve as ProPetro’s interim principal accounting officer after October 30, 2026?

Following the Transition Date of October 30, 2026, ProPetro’s existing Chief Financial Officer, Caleb Weatherl, will serve as interim principal accounting officer while the company identifies a replacement Chief Accounting Officer.

Will ProPetro’s CFO receive new compensation for the interim principal accounting officer role?

No. ProPetro states it is not entering into or amending any compensatory plan or arrangement with Caleb Weatherl in connection with his appointment as interim principal accounting officer.

Are there related-party issues with ProPetro’s interim principal accounting officer?

The company reports that there are no family relationships between Caleb Weatherl and any director or executive officer, and no transactions involving him that require disclosure under Item 404(a) of Regulation S-K.

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

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Available on EDGAR 09/21/2026 - 04:16 PM Accepted by SEC EDGAR 09/21/2026 - 04:15 PM Learn about SEC filing dates

false000168024700016802472026-09-162026-09-16

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549 

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): September 16, 2026

ProPetro Holding Corp.

(Exact name of registrant as specified in its charter)

Delaware

001-38035

26-3685382

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification No.)

One Marienfeld Place, 110 N. Marienfeld Street, Suite 300, Midland, Texas 79701

(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (432) 688-0012

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: 

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Common Stock, par value $0.001 per share			PUMP			New York Stock Exchange
						NYSE Texas, Inc.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On September 16, 2026, Celina Davila notified ProPetro Holding Corp. (the “Company”) of her intention to resign from her position as Chief Accounting Officer and principal accounting officer of the Company, effective October 30, 2026 (the “Transition Date”). Ms. Davila’s resignation was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices, including any matters concerning the Company’s accounting principles or practices, financial statement disclosure, or internal control over financial reporting. Following the Transition Date, the Company’s existing Chief Financial Officer, Caleb Weatherl, will serve as interim principal accounting officer of the Company pending the identification of a replacement Chief Accounting Officer.

The Company is not entering into any new, or amending any existing, compensatory plan or arrangement with Mr. Weatherl in connection with his appointment as interim principal accounting officer.

There are no understandings between Mr. Weatherl and any other persons pursuant to which he was selected to serve as the Company’s interim principal accounting officer. There are no family relationships between Mr. Weatherl and any director or executive officer of the Company. There are no transactions in which Mr. Weatherl has an interest requiring disclosure under Item 404(a) of Regulation S-K. Mr. Weatherl’s full biography and other information required by Item 5.02(c) of Form 8-K are included in the Company’s definitive proxy statement, filed with the Securities and Exchange Commission on April 8, 2026, and such information is incorporated herein by reference.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: September 21, 2026

PROPETRO HOLDING CORP.

/s/ John J. Mitchell

John J. Mitchell

General Counsel and Corporate Secretary

Filing Exhibits & Attachments

4 documents

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