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      <secFileNumber>001-35305</secFileNumber>
      <issuerAddress>
        <com:street1>2503 S. HANLEY ROAD</com:street1>
        <com:city>ST. LOUIS</com:city>
        <com:stateOrCountry>MO</com:stateOrCountry>
        <com:zipCode>63144</com:zipCode>
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      <issuerContactPhone>314-644-7600</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>CATOGGIO NICOLAS</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
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      <brokerOrMarketmakerDetails>
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        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
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      <noOfUnitsOutstanding>56481848</noOfUnitsOutstanding>
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      <securitiesExchangeName>NYSE</securitiesExchangeName>
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      <isGiftTransaction>N</isGiftTransaction>
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      <paymentDate>11/14/2024</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
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      <nameOfPersonfromWhomAcquired>POST HOLDINGS, INC.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
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      <paymentDate>11/15/2024</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
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    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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      <sellerDetails>
        <name>NICOLAS CATOGGIO</name>
        <address>
          <com:street1>2503 S. HANLEY ROAD</com:street1>
          <com:city>ST. LOUIS</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63144</com:zipCode>
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      <securitiesClassTitle>Post Holdings, Inc.</securitiesClassTitle>
      <saleDate>02/12/2025</saleDate>
      <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
      <grossProceeds>1117291.00</grossProceeds>
    </securitiesSoldInPast3Months>
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      <sellerDetails>
        <name>NICOLAS CATOGGIO</name>
        <address>
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          <com:stateOrCountry>MO</com:stateOrCountry>
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      <saleDate>02/25/2025</saleDate>
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          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63144</com:zipCode>
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      <securitiesClassTitle>Post Holdings, Inc.</securitiesClassTitle>
      <saleDate>03/03/2025</saleDate>
      <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
      <grossProceeds>572500.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>03/07/2025</noticeDate>
      <signature>NICOLAS CATOGGIO</signature>
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144
0001882375
XXXXXXXX
LIVE
0001530950
Post Holdings, Inc.
001-35305
2503 S. HANLEY ROAD
ST. LOUIS
MO
63144
314-644-7600
CATOGGIO NICOLAS
Officer
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
5000
585000.00
56481848
03/07/2025
NYSE
Common
11/14/2024
Restricted Stock Lapse
POST HOLDINGS, INC.
N
3796
11/14/2024
Equity Compensation
Common
11/15/2024
Restricted Stock Lapse
POST HOLDINGS, INC.
N
1204
11/15/2024
Equity Compensation
N
NICOLAS CATOGGIO
2503 S. HANLEY ROAD
ST. LOUIS
MO
63144
Post Holdings, Inc.
02/12/2025
10000
1117291.00
NICOLAS CATOGGIO
2503 S. HANLEY ROAD
ST. LOUIS
MO
63144
Post Holdings, Inc.
02/25/2025
5000
582500.00
NICOLAS CATOGGIO
2503 S. HANLEY ROAD
ST. LOUIS
MO
63144
Post Holdings, Inc.
03/03/2025
5000
572500.00
03/07/2025
NICOLAS CATOGGIO