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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): August 27, 2025
Post Holdings, Inc.
(Exact name of registrant as specified in its charter)

Missouri | 001-35305 | 45-3355106
(State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.)

2503 S. Hanley Road
St. Louis, Missouri 63144
(Address of principal executive offices) (Zip Code)
Registrant’s telephone number, including area code: (314) 644-7600
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, $0.01 par value per share | POST | 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 7.01. Regulation FD Disclosure.
On August 29, 2025, Post Holdings, Inc. (the “Company”) issued a press release announcing that it had entered into a definitive agreement to sell the pasta business of 8th Avenue Food & Provisions, Inc. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
The information contained in this Item 7.01 and Exhibit 99.1 attached hereto shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such filing.
This Item 7.01, including Exhibit 99.1 incorporated by reference herein, contains forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. These forward-looking statements are sometimes identified from the use of forward-looking words such as “believe,” “should,” “could,” “potential,” “continue,” “expect,” “project,” “estimate,” “predict,” “anticipate,” “aim,” “intend,” “plan,” “forecast,” “target,” “is likely,” “will,” “can,” “may” or “would” or the negative of these terms or similar expressions elsewhere in such materials. All forward-looking statements are subject to a number of important factors, risks, uncertainties and assumptions that could cause actual results to differ materially from those described in any forward-looking statements. All information included in this Item 7.01, including Exhibit 99.1 incorporated by reference herein, is presented as of the date indicated and represents the Company’s judgment as of the date indicated, and the Company does not assume any obligation to correct or update such information in the future.
Item 8.01. Other Events.
On August 27, 2025, the Company’s Board of Directors (the “Board”) approved, effective August 29, 2025 (the “Effective Date”), a $500.0 million share repurchase authorization (the “New Authorization”) and cancelled, effective August 28, 2025, its existing $500.0 million share repurchase authorization, which was approved by the Board on February 4, 2025 and became effective on February 10, 2025 (the “Existing Authorization”). The Company had repurchased approximately $304.8 million of shares of the Company’s common stock under the Existing Authorization as of August 27, 2025. The New Authorization extends for a two-year period beginning on the Effective Date, and the Company may begin repurchasing shares under the New Authorization on August 29, 2025. Repurchases may be made from time to time in the open market, in private purchases, through forward, derivative, accelerated repurchase or automatic purchase transactions, or otherwise. Any shares repurchased would be held as treasury stock. The New Authorization does not, however, obligate the Company to acquire any particular number of shares, and repurchases may be suspended or terminated at any time at the Company’s discretion.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits.

Exhibit No. | Description
99.1 | Press Release dated August 29, 2025
104 | Cover Page Interactive Data File (the cover page XBRL tags are 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.

Date: August 29, 2025 | Post Holdings, Inc.
| (Registrant)
| By: | /s/ Diedre J. Gray
| Name: | Diedre J. Gray
| Title: | EVP, General Counsel & Chief Administrative Officer, Secretary

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