Welcome to our dedicated page for Post Hldgs SEC filings (Ticker: POST), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tracking grain costs across ready-to-eat cereals, monitoring egg margin swings in refrigerated retail, and following pet-food acquisitions all inside one company can turn Post Holdings’ SEC disclosures into a 300-page maze. If you have ever opened a Post Holdings annual report 10-K and wondered where segment profit actually sits, you are not alone.
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Post Holdings (POST): Director deferred compensation into stock equivalents. A director reported acquiring 106.907 Post Holdings, Inc. stock equivalents on 10/31/2025 at a price of $103.93 per equivalent under the company’s Deferred Compensation Plan for Non-Management Directors.
Following this routine, non-cash transaction, the director beneficially owns 7,718.651 derivative securities. These stock equivalents mirror common stock on a one-for-one basis and are distributed in the form of cash upon separation from the Board of Directors. The stock equivalents have no fixed exercisable or expiration dates.
JPMorgan Chase & Co. filed a Schedule 13G reporting beneficial ownership of 2,790,694 shares of Post Holdings (POST) common stock, representing 5.1% of the class as of 09/30/2025.
The filing lists sole voting power over 2,556,029 shares and sole dispositive power over 2,785,631 shares, with shared dispositive power over 518 shares. JPMorgan certified the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.
Identified subsidiaries include J.P. Morgan Securities LLC, JPMorgan Chase Bank, National Association, and others involved in holding or managing the position.
Post Holdings (POST) reported an insider equity transaction by its EVP & COO following a performance award payout. On 10/22/2025, 48,718 shares of common stock were acquired at $0 upon the vesting of performance-based RSUs granted under a shareholder‑approved plan tied to relative total shareholder return for the period October 1, 2022 through September 30, 2025.
On the same date, 21,461 shares were surrendered at $107.19 to cover tax withholding associated with the vesting. After these transactions, the executive directly owned 46,305 common shares. Additional indirect holdings were reported as 1,256 shares by a Family Trust, 68,145 shares by a SLAT, and 122,740 shares by the spouse.
Post Holdings, Inc. (POST) reported insider equity activity. On 10/22/2025, the company’s President, Foodservice, acquired 43,108 shares of common stock at $0 upon payout of earned PRSUs under a shareholder‑approved plan pursuant to Rule 16b‑3.
On the same date, 19,658 shares were surrendered at $107.19 to cover tax withholding from the PRSU vesting. Following these transactions, the officer beneficially owned 178,837 shares directly, plus 17,174 shares indirectly via a 401(k) plan. The PRSU payout was based on relative total shareholder return for the period October 1, 2022 – September 30, 2025.
Post Holdings (POST) reported insider equity activity by President & CEO and Director Robert V. Vitale. On 10/22/2025, he acquired 142,308 shares at $0 upon payout of earned performance share awards (PRSUs) under a shareholder‑approved plan pursuant to Rule 16b‑3. He then surrendered 62,687 shares at $107.19 to cover tax withholding tied to that vesting.
Following these transactions, he beneficially owns 914,681 shares directly. He also reports indirect holdings of 6,870 shares by a 1994 Trust, 114,400 shares by a 2020 Family Trust (Robert Vitale), and 104,850 shares by a 2020 Family Trust (Spouse).
Post Holdings (POST) disclosed insider activity by its EVP, CFO & Treasurer. On 10/22/2025, the officer acquired 16,588 shares of common stock at $0 (Code A) upon payout of earned performance share awards under a shareholder-approved plan pursuant to Rule 16b-3. The payout was tied to the performance goal of relative total shareholder return for the period October 1, 2022 through September 30, 2025.
On the same date, the officer surrendered 7,308 shares at $107.19 (Code F) to cover tax withholding arising from the PRSU vesting. Following these transactions, the officer beneficially owns 46,712 shares directly.
Post Holdings (POST) reported an insider transaction on a Form 4 for EVP, GC & CAO, Secretary Diedre J. Gray. She acquired 46,852 common shares at $0 upon payout of earned PRSUs under Rule 16b-3, with the award tied to relative total shareholder return for the period from October 1, 2022 through September 30, 2025. She then surrendered 20,639 shares at $107.19 to cover tax withholding associated with the vesting. After these transactions, holdings are 45,538 shares direct, plus 123,929 by trust and 45,839 by spouse's trust.
Post Holdings (POST) insider activity: On 10/22/2025, the company’s Pres & CEO, PCB reported acquiring 40,723 shares at $0 pursuant to a payout of earned performance share awards under Rule 16b-3. In a related move, 18,570 shares were surrendered to cover tax withholding at $107.19. Following these transactions, the executive directly holds 59,590 shares.
The PRSU payout was based on relative total shareholder return performance for the period from October 1, 2022 through September 30, 2025. The filing was made as a single-reporting-person Form 4.
Post Holdings, Inc. reported a governance update. On October 16, 2025, the Board amended and restated the company’s bylaws to permit shareholders holding at least 25% of the outstanding voting shares to call a special meeting of shareholders. The ninth Amended and Restated Bylaws took effect the same day. The full bylaws and a marked version showing changes were filed as Exhibits 3.1 and 3.2.
William P. Stiritz filed Amendment No. 3 to Schedule 13D reporting his beneficial ownership in Post Holdings, Inc. (POST). He reports aggregate beneficial ownership of 4,882,968 shares of common stock, representing approximately 9.28% of outstanding shares.
The filing details sole voting and dispositive power over 4,498,836 shares and shared voting and dispositive power over 384,132 shares with his spouse, Susan Stiritz. Holdings include 4,329,467 shares held directly, 169,369 shares through The Wildwood Trust, and 384,132 shares via his spouse.
The amendment notes an open‑market purchase of 36,000 shares at $109.53 per share on August 19, 2025. Post Holdings had 52,604,677 shares outstanding as of October 15, 2025.
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