Form 8-K

8-K — PEABODY ENERGY CORP

Accession: 0001064728-26-000032

Filed: 2026-05-21

Period: 2026-05-20

CIK: 0001064728

SIC: 1221 (BITUMINOUS COAL & LIGNITE SURFACE MINING)

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

Item: Financial Statements and Exhibits

Documents

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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): May 20, 2026

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware 1-16463 13-4004153

(State or other jurisdiction of

incorporation) (Commission File Number) (I.R.S. Employer Identification No.)

701 Market Street, St. Louis, Missouri 63101-1826

(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (314) 342-3400

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 $0.01 per share BTU New York Stock Exchange

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. ☐

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

On May 20, 2026, Joe W. Laymon notified the Board of Directors (the “Board”) of Peabody Energy Corporation (the “Company”) of his decision to resign from the Board for personal health reasons, vacating his roles as a member of the Compensation Committee and Nominating and Corporate Governance Committee, effective immediately. His decision to resign was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices. The Company and the Board wish to sincerely thank Mr. Laymon for his exceptional years of service and significant contributions to the Company.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No. Description of Exhibit

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

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.

PEABODY ENERGY CORPORATION

May 21, 2026 By: /s/ Scott T. Jarboe

Name: Scott T. Jarboe

Title: Chief Administrative Officer and Corporate Secretary

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