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SEC.gov | Request Rate Threshold Exceeded

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Internet Security Policy

By using this site, you are agreeing to security monitoring and auditing. For security purposes, and to ensure that the public service remains available to users, this government computer system employs programs to monitor network traffic to identify unauthorized attempts to upload or change information or to otherwise cause damage, including attempts to deny service to users.

Unauthorized attempts to upload information and/or change information on any portion of this site are strictly prohibited and are subject to prosecution under the Computer Fraud and Abuse Act of 1986 and the National Information Infrastructure Protection Act of 1996 (see Title 18 U.S.C. §§ 1001 and 1030).

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btu-202602050001064728false00010647282026-02-052026-02-05

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): February 5, 2026

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On February 5, 2026, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s fourth quarter 2025 financial results and providing guidance on selected first quarter and full-year 2026 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On February 5, 2026, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on March 10, 2026 to stockholders of record on February 23, 2026. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated February 5, 2026.

99.2Press Release of Peabody Energy Corporation dated February 5, 2026.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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

February 5, 2026By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202510300001064728false00010647282025-10-302025-10-30

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): October 30, 2025

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On October 30, 2025, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s third quarter 2025 financial results and providing guidance on selected fourth quarter and full-year 2025 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On October 30, 2025, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on December 3, 2025 to stockholders of record on November 13, 2025. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated October 30, 2025.

99.2Press Release of Peabody Energy Corporation dated October 30, 2025.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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

October 30, 2025By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202507310001064728false00010647282025-07-312025-07-31

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): July 31, 2025

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On July 31, 2025, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s second quarter 2025 financial results and providing guidance on selected third quarter and full-year 2025 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On July 31, 2025, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on September 3, 2025 to stockholders of record on August 14, 2025. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated July 31, 2025.

99.2Press Release of Peabody Energy Corporation dated July 31, 2025.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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

July 31, 2025By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202505060001064728false00010647282025-05-062025-05-06

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 6, 2025

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On May 6, 2025, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s first quarter 2025 financial results and providing guidance on selected second quarter and full-year 2025 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On May 6, 2025, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on June 4, 2025 to stockholders of record on May 15, 2025. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated May 6, 2025.

99.2Press Release of Peabody Energy Corporation dated May 6, 2025.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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 6, 2025By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202502060001064728false00010647282025-02-062025-02-06

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): February 6, 2025

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On February 6, 2025, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s fourth quarter 2024 financial results and providing guidance on selected first quarter and full-year 2025 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On February 6, 2025, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on March 12, 2025 to stockholders of record on February 20, 2025. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated February 6, 2025.

99.2Press Release of Peabody Energy Corporation dated February 6, 2025.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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

February 6, 2025By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202410310001064728false00010647282024-10-312024-10-31

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): October 31, 2024

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On October 31, 2024, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s third quarter 2024 financial results and providing guidance on selected fourth quarter and full-year 2024 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On October 31, 2024, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on December 4, 2024 to stockholders of record on November 14, 2024. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated October 31, 2024.

99.2Press Release of Peabody Energy Corporation dated October 31, 2024.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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

October 31, 2024By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202408010001064728false00010647282024-08-012024-08-01

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): August 1, 2024

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On August 1, 2024, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s second quarter 2024 financial results and providing guidance on selected third quarter and full-year 2024 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On August 1, 2024, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on September 4, 2024 to stockholders of record on August 15, 2024. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated August 1, 2024.

99.2Press Release of Peabody Energy Corporation dated August 1, 2024.

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2

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

August 1, 2024By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

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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 2, 2024

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On May 2, 2024, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s first quarter 2024 financial results and providing guidance on selected second quarter and full-year 2024 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On May 2, 2024, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on June 5, 2024 to stockholders of record on May 16, 2024. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated May 2, 2024.

99.2Press Release of Peabody Energy Corporation dated May 2, 2024.

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2

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 2, 2024By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202404110001064728false00010647282024-04-112024-04-11

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): April 11, 2024

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On April 11, 2024, Peabody Energy Corporation (“Peabody”) issued a press release which disclosed selected estimated financial results of Peabody for the first quarter of 2024. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated April 11, 2024.

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2

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

April 11, 2024By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202402080001064728false00010647282024-02-082024-02-08

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): February 8, 2024

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On February 8, 2024, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s fourth quarter 2023 financial results and providing guidance on selected first quarter and full-year 2024 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On February 8, 2024, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on March 13, 2024 to stockholders of record on February 22, 2024. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated February 8, 2024.

99.2Press Release of Peabody Energy Corporation dated February 8, 2024.

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2

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

February 8, 2024By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

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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): October 26, 2023

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On October 26, 2023, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s third quarter 2023 financial results and providing guidance on selected fourth quarter and full-year 2023 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On October 26, 2023, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on November 29, 2023 to stockholders of record on November 9, 2023. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated October 26, 2023.

99.2Press Release of Peabody Energy Corporation dated October 26, 2023.

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2

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

October 26, 2023By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202307270001064728false00010647282023-07-272023-07-27

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): July 27, 2023

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On July 27, 2023, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s second quarter 2023 financial results and providing guidance on selected third quarter and full-year 2023 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On July 27, 2023, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on August 30, 2023 to stockholders of record on August 10, 2023. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated July 27, 2023.

99.2Press Release of Peabody Energy Corporation dated July 27, 2023.

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2

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

July 27, 2023By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202304270001064728false00010647282023-04-272023-04-27

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): April 27, 2023

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On April 27, 2023, Peabody Energy Corporation (“Peabody” or the “Company”) issued a press release setting forth Peabody’s first quarter 2023 financial results and providing guidance on selected second quarter and full-year 2023 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01. Other Events. On April 27, 2023, the Company issued a press release announcing that its Board of Directors declared a quarterly dividend of $0.075 per share on the Company’s common stock. The dividend is payable on May 31, 2023 to stockholders of record on May 11, 2023. A copy of the Company’s press release regarding the foregoing is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated April 27, 2023.

99.2Press Release of Peabody Energy Corporation dated April 27, 2023.

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2

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

April 27, 2023By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202302130001064728false00010647282023-02-132023-02-13

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): February 13, 2023

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 1.01. Entry into a Material Definitive Agreement. On February 13, 2023, Peabody Energy Corporation (the “Company” or “Peabody”) amended its receivables purchase agreement (as previously amended, the “Receivables Purchase Agreement”) by entering into the Ninth Amendment to the Sixth Amended and Restated Receivables Purchase Agreement (the “RPA Amendment”), by and among P&L Receivables Company, LLC, the Company, the purchaser parties party thereto, PNC Bank, National Association, as administrator, and the other parties party thereto. Pursuant to the RPA Amendment, among other things, the purchase limit thereunder was increased from $175,000,000 to $225,000,000. The foregoing summary is qualified in its entirety by reference to the text of the RPA Amendment, which is filed as Exhibit 10.1 hereto and is incorporated herein by reference. Item 2.02. Results of Operations and Financial Condition. On February 14, 2023, Peabody Energy Corporation issued a press release setting forth Peabody’s fourth quarter 2022 financial results and providing guidance on selected first quarter and full-year 2023 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 10.1Ninth Amendment to the Sixth Amended and Restated Receivables Purchase Agreement, dated as of February 13, 2023, by and among P&L Receivables Company, LLC, Peabody Energy Corporation, all Committed Purchasers listed on the signature pages thereto, all Purchaser Agents listed on the signature pages thereto, all LC Participants listed on the signature pages thereto, PNC Bank, National Association, as Administrator and as LC Bank and PNC Capital Markets LLC, as Structuring Agent.

99.1Press Release of Peabody Energy Corporation dated February 14, 2023.

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2

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

February 14, 2023By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

btu-202211030001064728false00010647282022-11-032022-11-03

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): November 3, 2022

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On November 3, 2022, Peabody Energy Corporation (“Peabody”) issued a press release setting forth Peabody’s third quarter 2022 financial results and providing guidance on selected 2022 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated November 3, 2022.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

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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

November 3, 2022By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

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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): July 28, 2022

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On July 28, 2022, Peabody Energy Corporation (“Peabody”) issued a press release setting forth Peabody’s second quarter 2022 financial results and providing guidance on selected 2022 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated July 28, 2022.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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

July 28, 2022By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

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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): July 14, 2022

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On July 14, 2022, Peabody Energy Corporation (“Peabody”) issued a press release which disclosed selected preliminary estimated financial results of Peabody and PIC AU Holdings LLC, a wholly-owned subsidiary of Peabody that owns and operates the Wilpinjong Mine, for the second quarter 2022. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated July 14, 2022.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

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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

July 14, 2022By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3

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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): April 28, 2022

PEABODY ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

Delaware1-1646313-4004153 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

701 Market Street,St. Louis,Missouri63101-1826 (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 classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareBTUNew 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 2.02. Results of Operations and Financial Condition. On April 28, 2022, Peabody Energy Corporation (“Peabody”) issued a press release setting forth Peabody’s first quarter 2022 financial results and providing guidance on selected second quarter and full-year 2022 targets. A copy of Peabody’s press release is attached hereto as Exhibit 99.1. The information furnished in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit No.Description of Exhibit 99.1Press Release of Peabody Energy Corporation dated April 28, 2022.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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

April 28, 2022By: /s/ Mark A. Spurbeck Name: Mark A. Spurbeck Title: Executive Vice President and Chief Financial Officer

3