Post Holdings, Inc. filings document operating results, material events, governance actions and capital-structure changes for a consumer packaged goods holding company. Form 8-K reports include quarterly results releases, Regulation FD disclosures, officer and director changes, board appointments, and amendments to the company’s articles of incorporation that lowered certain supermajority voting thresholds after shareholder approval.
The filing record also details senior unsecured note issuances, including notes due 2034 and 2036, related indentures, subsidiary guarantees, interest terms, maturity dates and the ranking of the obligations. Shareholder meeting and proxy-related disclosures cover voting matters, governance provisions, director compensation arrangements and security-holder rights.
Post Holdings, Inc. (POST) was the subject of a Schedule 13G reporting 2,241,292 shares, or 5.09%, beneficially owned by Vanguard Portfolio Management as of September 30, 2026. Vanguard reported sole dispositive power over 2,241,292 shares and sole voting power over 35,719 shares; shared voting and dispositive power were each zero. The reported securities include positions attributed to Vanguard Portfolio Management LLC and specified affiliated businesses, including Vanguard funds and client accounts. Vanguard stated that no other person's interest in the reported securities exceeded 5%.
Post Holdings, Inc. director Jeff A. Zadoks reported acquiring 40,710 common shares on October 22, 2026, through payout of earned performance share awards (PRSUs), based on achievement of a relative total shareholder return percentile-rank goal. On the same date, he surrendered 17,933 shares for tax withholding, at a reported $78.06 per share. Indirect holdings listed are 686 shares by Family Trust, 122,740 by SLAT (Reporting Person), and 74,360 by SLAT (Spouse).
Post Holdings, Inc.'s president of Foodservice, Mark W. Westphal, acquired 38,441 common shares on October 22, 2026, upon payout of earned performance share units (PRSUs). On the same date, he surrendered 17,530 shares for tax withholding due to vesting of those awards; the reported price was $78.06 per share. A separate holding entry lists 17,444 shares held indirectly through the 401(k) Plan.
Post Holdings, Inc. executive chairman Robert V. Vitale acquired 118,919 common shares on October 22, 2026, through payout of an earned performance share award. On the same date, 52,384 shares were surrendered for tax withholding at a reported $78.06 per share.
As of October 22, 2026, reported indirect holdings were 6,870 shares by the 1994 Trust, 114,400 by the 2020 Family Trust (Robert Vitale), and 104,850 by the 2020 Family Trust (Spouse).
Matthew J. Mainer, Post Holdings, Inc.’s EVP, CFO & Treasurer, acquired 18,024 common shares on October 22, 2026, upon payout of an earned performance share award under a shareholder-approved equity plan. The payout was based on relative total shareholder return percentile rank for the performance period from October 1, 2023, through September 30, 2026. Mainer also surrendered 7,940 shares for tax withholding due to vesting of the 18,024 PRSUs; the reported price was $78.06 per share.
Post Holdings, Inc. EVP, GC & CAO, SECY Diedre J. Gray acquired 42,349 shares of common stock on October 22, 2026, through the payout of earned performance share awards (PRSUs). She surrendered 18,655 shares for tax withholding related to vesting, reported at $78.06 per share. The award payout was based on relative total shareholder return percentile-rank achievement for the performance period October 1, 2023 through September 30, 2026. The form also lists indirect holdings of 33,716 shares by Trust, 45,839 by Spouse's Trust, and 131,187 by SLAT (Spouse).
Post Holdings, Inc. (POST) President and CEO Nicolas Catoggio acquired 40,962 shares of common stock on October 22, 2026, through the payout of an earned performance share award. The payout was based on the level of achievement of the award’s relative total shareholder return percentile-rank goal for the performance period October 1, 2023, through September 30, 2026. On the same date, 18,533 shares were surrendered for tax withholding upon vesting, at a reported price of $78.0600 per share.
Post Holdings, Inc. (POST) said Senior Vice President and Chief Accounting Officer Bradly A. Harper will take a temporary medical leave. During his leave, Executive Vice President, Chief Financial Officer and Treasurer Matthew J. Mainer will serve as Interim Chief Accounting Officer and principal accounting officer.
The company’s updated Code of Conduct will become effective February 1, 2027, replacing the prior code and applying to directors, officers and employees of the company and its subsidiaries and affiliates. The updates add content on artificial intelligence, prediction markets and fraud prevention, and expand or restructure topics including human rights, trade compliance, cybersecurity and data protection, workplace civility, records management, conflicts of interest and internal investigations. Adoption of the new code will not waive any provision of the prior code.
Post Holdings, Inc. director Jeff A. Zadoks acquired 152.5170 stock equivalents on September 30, 2026, at a reported $72.8500 per share, bringing his directly held balance to 822.4420 stock equivalents. Zadoks’s director retainers are deferred into stock equivalents under the Deferred Compensation Plan for Non-Management Directors; the equivalents are distributed in cash on a one-for-one basis upon retirement from the Board.
Post Holdings, Inc. director David P. Skarie acquired 183.02 stock equivalents on September 30, 2026, at a reported $72.85 per stock equivalent. His reported direct balance afterward was 34,027.822 stock equivalents.
The equivalents represent director retainers deferred under the Deferred Compensation Plan for Non-Management Directors. They are credited as soon as administratively practicable after the month the retainer is earned, and their value is distributed in cash on a one-for-one basis upon separation from the Board.