• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
PublishGo to AppAI Superconnector
    Quantisnow Logo

    © 2025 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    Amendment: SEC Form SCHEDULE 13D/A filed by Post Holdings Inc.

    10/15/25 5:09:18 PM ET
    $POST
    Packaged Foods
    Consumer Staples
    Get the next $POST alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13D

    Under the Securities Exchange Act of 1934

    (Amendment No. 3)


    Post Holdings, Inc.

    (Name of Issuer)


    Common Stock, $0.01 par value

    (Title of Class of Securities)


    737446104

    (CUSIP Number)


    William P. Stiritz
    790 Briar Hill Road,
    Belleville, IL, 62223
    618-398-7781

    (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
    10/15/2025

    (Date of Event Which Requires Filing of This Statement)


    If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

    The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






    SCHEDULE 13D

    CUSIP No.
    737446104


    1 Name of reporting person

    William P. Stiritz
    2Check the appropriate box if a member of a Group (See Instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3SEC use only
    4 Source of funds (See Instructions)

    PF, OO
    5 Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

    Checkbox not checked
    6Citizenship or place of organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    7Sole Voting Power

    4,498,836.00
    8Shared Voting Power

    384,132.00
    9Sole Dispositive Power

    4,498,836.00
    10Shared Dispositive Power

    384,132.00
    11Aggregate amount beneficially owned by each reporting person

    4,882,968.00
    12Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

    Checkbox not checked
    13Percent of class represented by amount in Row (11)

    9.3 %
    14Type of Reporting Person (See Instructions)

    IN

    Comment for Type of Reporting Person:
    The percent ownership information included on line 13 above in this Amendment No. 3 to Schedule 13D is based on 52,604,677 shares of Common Stock, par value $0.01 per share, of Post Holdings, Inc., a Missouri corporation (the "Issuer"), issued and outstanding as of October 15, 2025, according to information provided by the Issuer.


    SCHEDULE 13D

    Item 1.Security and Issuer
    (a)Title of Class of Securities:

    Common Stock, $0.01 par value
    (b)Name of Issuer:

    Post Holdings, Inc.
    (c)Address of Issuer's Principal Executive Offices:

    2503 S. Hanley Rd, St. Louis, MISSOURI , 63144.
    Item 1 Comment:
    EXPLANATORY NOTE - This Amendment No. 3 to Schedule 13D relates to the Schedule 13D filed by William P. Stiritz (the "Reporting Person") with the Securities and Exchange Commission (the "SEC") on December 1, 2016 (the "Initial Schedule 13D"), as amended by Amendment No. 1 to Schedule 13D filed with the SEC on February 22, 2021 ("Amendment No. 1") and Amendment No. 2 to Schedule 13D filed with the SEC on February 14, 2025 ("Amendment No. 2" and the Initial Schedule 13D as amended by Amendment No. 1 and Amendment No. 2, the "Schedule 13D"), and amends the Schedule 13D as specifically set forth herein.
    Item 5.Interest in Securities of the Issuer
    (a)
    Items 5(a)-(e) of the Schedule 13D are hereby amended and restated as follows: As of the date hereof, the Reporting Person beneficially owns, in the aggregate, 4,882,968 shares of Common Stock of the Issuer (the "Common Stock"), representing approximately 9.28% of the Issuer's outstanding shares of Common Stock. The Reporting Person beneficially owns shares of Common Stock of the Issuer directly (4,329,467 shares) and through The Wildwood Trust, of which the Reporting Person is Trustee (169,369 shares), and through his spouse, Susan Stiritz (384,132 shares).
    (b)
    The number of shares as to which there is sole power to vote or to direct the vote is 4,498,836. The number of shares as to which there is the shared power to vote or to direct the vote is 384,132. The number of shares as to which there is sole power to dispose or to direct the disposition is 4,498,836. The number of shares as to which there is shared power to dispose or to direct the disposition is 384,132. The Reporting Person shares voting and disposition rights with his spouse with respect to 384,132 shares. Susan Stiritz's address is 790 Briar Hill Road, Belleville, Illinois 62223. Mrs. Stiritz is retired and is a professor of practice emeritus at Washington University in St. Louis, One Brookings Drive, St. Louis, Missouri 63130. During the last five years, Mrs. Stiritz has not been convicted in a criminal proceeding. During the last five years, Mrs. Stiritz has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction which resulted in her being subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws. Mrs. Stiritz is a citizen of the United States.
    (c)
    Other than the following, the Reporting Person has effected no transactions in the Common Stock of the Issuer within the past sixty days: On August 19, 2025, the Reporting Person purchased 36,000 shares of Common Stock of the Issuer in the open market for $109.53 per share.
    (d)
    Except for the Reporting Person's spouse, no person other than the Reporting Person has the right to receive dividends on, and any proceeds from the disposition of, any shares of Common Stock reported as owned by him in this Item 5 above.
    (e)
    Not applicable.

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    William P. Stiritz
     
    Signature:/s/ William P. Stiritz
    Name/Title:William P. Stiritz
    Date:10/15/2025
    Get the next $POST alert in real time by email

    Crush Q3 2025 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $POST

    DatePrice TargetRatingAnalyst
    8/20/2025$122.00Overweight
    Analyst
    1/9/2024$110.00Buy
    Mizuho
    12/12/2023$92.00Equal Weight
    Wells Fargo
    10/13/2023$100.00Overweight
    JP Morgan
    5/8/2023$105.00Outperform
    Evercore ISI
    5/2/2023$105.00Overweight
    Barclays
    4/14/2023$106.00Buy
    Stifel
    5/9/2022$92.00Buy
    Citigroup
    More analyst ratings

    $POST
    SEC Filings

    View All

    Post Holdings Inc. filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

    8-K - Post Holdings, Inc. (0001530950) (Filer)

    10/20/25 4:57:27 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    Amendment: SEC Form SCHEDULE 13D/A filed by Post Holdings Inc.

    SCHEDULE 13D/A - Post Holdings, Inc. (0001530950) (Subject)

    10/15/25 5:09:18 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    SEC Form SCHEDULE 13G filed by Post Holdings Inc.

    SCHEDULE 13G - Post Holdings, Inc. (0001530950) (Subject)

    10/9/25 1:48:12 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    $POST
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Post Holdings Schedules Fourth Quarter and Fiscal Year 2025 Conference Call

    ST. LOUIS, Oct. 23, 2025 /PRNewswire/ -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today announced it will hold a conference call on Friday, November 21, 2025 at 9:00 a.m. ET to discuss financial results for the fourth quarter of fiscal year 2025 and fiscal year 2026 outlook and to respond to questions. Robert V. Vitale, President and Chief Executive Officer, Jeff A. Zadoks, Executive Vice President and Chief Operating Officer, and Matthew J. Mainer, Executive Vice President, Chief Financial Officer and Treasurer, will participate in the call.

    10/23/25 5:00:00 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    Post Holdings Announces Sale of Pasta Business; New Share Repurchase Authorization of $500 Million

    ST. LOUIS, Aug. 29, 2025 /PRNewswire/ -- Post Holdings, Inc. (NYSE:POST) ("Post"), a consumer packaged goods holding company, today announced that it has entered into a definitive agreement to sell the pasta business of 8th Avenue Food & Provisions, Inc. ("8th Avenue") to Richardson (US) Holdings Limited ("Richardson"). In the transaction, Richardson will pay $375 million in cash and assume approximately $80 million in leaseback financial liabilities. The transaction is expected to close in Post's first fiscal quarter of 2026, subject to customary closing conditions. Post acquired 8th Avenue on July 1, 2025, and subsequent to this transaction will retain 8th Avenue's nut butters, fruit and n

    8/29/25 9:00:00 AM ET
    $POST
    Packaged Foods
    Consumer Staples

    Post Holdings Announces Upcoming Executive Leadership Changes

    Post Holdings Chief Operating Officer Jeff Zadoks Announces RetirementPost Consumer Brands President and CEO Nicolas Catoggio to Add Post Holdings COO Responsibilities upon Zadoks' RetirementST. LOUIS, Aug. 7, 2025 /PRNewswire/ -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today shared that Jeff Zadoks, EVP and Chief Operating Officer, has announced his retirement effective January 2026. Upon Zadoks' retirement, Post Consumer Brands President and Chief Executive Officer Nicolas Catoggio will expand his current role to include responsibilities as Post Holdings' Chief Operating Officer, beginning in January 2026. Until a longer term leader is selected, Catoggio

    8/7/25 5:01:00 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    $POST
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    Analyst resumed coverage on Post with a new price target

    Analyst resumed coverage of Post with a rating of Overweight and set a new price target of $122.00

    8/20/25 9:01:19 AM ET
    $POST
    Packaged Foods
    Consumer Staples

    Mizuho initiated coverage on Post with a new price target

    Mizuho initiated coverage of Post with a rating of Buy and set a new price target of $110.00

    1/9/24 7:55:36 AM ET
    $POST
    Packaged Foods
    Consumer Staples

    Wells Fargo initiated coverage on Post with a new price target

    Wells Fargo initiated coverage of Post with a rating of Equal Weight and set a new price target of $92.00

    12/12/23 8:05:33 AM ET
    $POST
    Packaged Foods
    Consumer Staples

    $POST
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    EVP & COO Zadoks Jeff A was granted 48,718 shares and covered exercise/tax liability with 21,461 shares, increasing direct ownership by 143% to 46,305 units (SEC Form 4)

    4 - Post Holdings, Inc. (0001530950) (Issuer)

    10/24/25 4:54:27 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    PRES., FOODSERVICE Westphal Mark W was granted 43,108 shares and covered exercise/tax liability with 19,658 shares, increasing direct ownership by 15% to 178,837 units (SEC Form 4)

    4 - Post Holdings, Inc. (0001530950) (Issuer)

    10/24/25 4:51:38 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    PRESIDENT & CEO Vitale Robert V was granted 142,308 shares and covered exercise/tax liability with 62,687 shares, increasing direct ownership by 10% to 914,681 units (SEC Form 4)

    4 - Post Holdings, Inc. (0001530950) (Issuer)

    10/24/25 4:47:35 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    $POST
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Director Stiritz William P bought $3,943,080 worth of shares (36,000 units at $109.53), increasing direct ownership by 0.84% to 4,334,667 units (SEC Form 4)

    4 - Post Holdings, Inc. (0001530950) (Issuer)

    8/21/25 5:12:18 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    Director Stiritz William P bought $20,376,135 worth of shares (186,740 units at $109.11), increasing direct ownership by 5% to 4,298,667 units (SEC Form 4)

    4 - Post Holdings, Inc. (0001530950) (Issuer)

    6/9/25 4:58:28 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    Director Erb Thomas C bought $225,880 worth of shares (2,000 units at $112.94), increasing direct ownership by 6% to 35,475 units (SEC Form 4)

    4 - Post Holdings, Inc. (0001530950) (Issuer)

    8/13/24 5:12:00 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    $POST
    Leadership Updates

    Live Leadership Updates

    View All

    Post Holdings Appoints Jennifer Kuperman and Thomas Erb to Board of Directors

    ST. LOUIS, May 05, 2021 (GLOBE NEWSWIRE) -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today announced that Jennifer Kuperman and Thomas Erb have been appointed to its Board of Directors (the "Board"), effective May 4, 2021. With the addition of Ms. Kuperman and Mr. Erb, the Board now consists of eleven members. Ms. Kuperman most recently served as Head of International Corporate Affairs at Alibaba Group, a multinational conglomerate holding company specializing in eCommerce, retail, internet and technology, from April 2016 until January 2021 and served as Vice President, International Corporate Affairs at Alibaba Group from August 2014 to April 2016. Prio

    5/5/21 8:30:00 AM ET
    $POST
    Packaged Foods
    Consumer Staples

    $POST
    Financials

    Live finance-specific insights

    View All

    Post Holdings Schedules Fourth Quarter and Fiscal Year 2025 Conference Call

    ST. LOUIS, Oct. 23, 2025 /PRNewswire/ -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today announced it will hold a conference call on Friday, November 21, 2025 at 9:00 a.m. ET to discuss financial results for the fourth quarter of fiscal year 2025 and fiscal year 2026 outlook and to respond to questions. Robert V. Vitale, President and Chief Executive Officer, Jeff A. Zadoks, Executive Vice President and Chief Operating Officer, and Matthew J. Mainer, Executive Vice President, Chief Financial Officer and Treasurer, will participate in the call.

    10/23/25 5:00:00 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    Post Holdings Reports Results for the Third Quarter of Fiscal Year 2025; Raises Fiscal Year 2025 Outlook

    ST. LOUIS, Aug. 7, 2025 /PRNewswire/ -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today reported results for the third fiscal quarter ended June 30, 2025. Highlights: Third quarter net sales of $2.0 billionOperating profit of $234.6 million; net earnings of $108.8 million and Adjusted EBITDA (non-GAAP)* of $397.0 millionRaised fiscal year 2025 Adjusted EBITDA (non-GAAP)* outlook to $1,500-$1,520 million*For additional information regarding non-GAAP measures, such as Adjusted EBITDA, Adjusted net earnings, Adjusted diluted earnings per common s

    8/7/25 5:00:00 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    Post Holdings Schedules Third Quarter Fiscal Year 2025 Conference Call

    ST. LOUIS, July 17, 2025 /PRNewswire/ -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today announced it will hold a conference call on Friday, August 8, 2025 at 9:00 a.m. ET to discuss financial results for the third quarter of fiscal year 2025 and fiscal year 2025 outlook and to respond to questions. Robert V. Vitale, President and Chief Executive Officer, Jeff A. Zadoks, Executive Vice President and Chief Operating Officer, and Matthew J. Mainer, Executive Vice President, Chief Financial Officer and Treasurer, will participate in the call. Pos

    7/17/25 5:00:00 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    $POST
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    Amendment: SEC Form SC 13G/A filed by Post Holdings Inc.

    SC 13G/A - Post Holdings, Inc. (0001530950) (Subject)

    11/13/24 12:59:52 PM ET
    $POST
    Packaged Foods
    Consumer Staples

    SEC Form SC 13G filed by Post Holdings Inc.

    SC 13G - Post Holdings, Inc. (0001530950) (Subject)

    10/31/24 11:54:59 AM ET
    $POST
    Packaged Foods
    Consumer Staples

    SEC Form SC 13G/A filed by Post Holdings Inc. (Amendment)

    SC 13G/A - Post Holdings, Inc. (0001530950) (Subject)

    2/14/24 4:06:24 PM ET
    $POST
    Packaged Foods
    Consumer Staples