POST

SEC source: 0001790648-26-000014 · wk-form4_1780434857.xml · derivative · entry 1

JOHNSON JENNIFER KUPERMAN · CIK 0001790648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,977.344

Underlying: Common Stock · 120.98 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001257186-26-000016 · wk-form4_1778792607.xml · nonDerivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,107

SEC source: 0001530950-26-000048 · wk-form4_1777928943.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,533.615

Underlying: Common Stock · 164.409 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001861480-26-000012 · wk-form4_1777928868.xml · derivative · entry 1

ERB THOMAS C · CIK 0001861480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,852.893

Underlying: Common Stock · 106.07 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001816548-26-000012 · wk-form4_1777928721.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,363.639

Underlying: Common Stock · 106.07 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001257186-26-000014 · wk-form4_1777928788.xml · derivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,552.218

Underlying: Common Stock · 106.07 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001184295-26-000012 · wk-form4_1777929079.xml · derivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,203.715

Underlying: Common Stock · 127.284 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001343352-26-000011 · wk-form4_1777929147.xml · derivative · entry 1

Zadoks Jeff A · CIK 0001343352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167.671

Underlying: Common Stock · 106.07 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001790648-26-000012 · wk-form4_1777929022.xml · derivative · entry 1

JOHNSON JENNIFER KUPERMAN · CIK 0001790648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,852.893

Underlying: Common Stock · 106.07 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0002113424-26-000008 · wk-form4_1777928620.xml · derivative · entry 1

Atkinson Michelle Marie · CIK 0002113424 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167.671

Underlying: Common Stock · 106.07 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0002117592-26-000005 · wk-form4_1775509442.xml · nonDerivative · entry 2

Pearson Gregory Carl · CIK 0002117592 · PRES & CEO, PCB

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,485

F2 · shares: Each RSU represents a contingent right to receive one share of Post common stock. The RSUs were granted under the A&R 2021 LTIP in a transaction exempt under Rule 16b-3 and vest in full on the second anniversary of the grant date, subject to the terms of the award agreement.

SEC source: 0002117592-26-000005 · wk-form4_1775509442.xml · nonDerivative · entry 1

Pearson Gregory Carl · CIK 0002117592 · PRES & CEO, PCB

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,914

F1 · shares: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Post Holdings, Inc. ("Post") common stock. The RSUs were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan (the "A&R 2021 LTIP") in a transaction exempt under Rule 16b-3 and vest in equal annual increments over three years, subject to the terms of the award agreement.

SEC source: 0001530950-26-000045 · wk-form4_1775162491.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,379.812

Underlying: Common Stock · 174.204 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001861480-26-000010 · wk-form4_1775162381.xml · derivative · entry 1

ERB THOMAS C · CIK 0001861480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,750.336

Underlying: Common Stock · 112.39 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001816548-26-000010 · wk-form4_1775162167.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,261.869

Underlying: Common Stock · 112.39 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001257186-26-000012 · wk-form4_1775162288.xml · derivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,450.025

Underlying: Common Stock · 112.39 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001184295-26-000010 · wk-form4_1775162688.xml · derivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,093.653

Underlying: Common Stock · 134.867 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001343352-26-000009 · wk-form4_1775162828.xml · derivative · entry 1

Zadoks Jeff A · CIK 0001343352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61.633

Underlying: Common Stock · 61.633 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001790648-26-000010 · wk-form4_1775162605.xml · derivative · entry 1

JOHNSON JENNIFER KUPERMAN · CIK 0001790648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,750.336

Underlying: Common Stock · 112.39 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0002113424-26-000006 · wk-form4_1775162049.xml · derivative · entry 1

Atkinson Michelle Marie · CIK 0002113424 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61.633

Underlying: Common Stock · 61.633 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001343352-26-000007 · wk-form4_1773870149.xml · nonDerivative · entry 1

Zadoks Jeff A · CIK 0001343352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,977

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0002113424-26-000004 · wk-form4_1773870039.xml · nonDerivative · entry 1

Atkinson Michelle Marie · CIK 0002113424 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,700

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001530950-26-000031 · wk-form4_1772575963.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,203.134

Underlying: Common Stock · 162.011 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001861480-26-000008 · wk-form4_1772575773.xml · derivative · entry 1

ERB THOMAS C · CIK 0001861480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,637.133

Underlying: Common Stock · 104.523 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001816548-26-000008 · wk-form4_1772575665.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,148.481

Underlying: Common Stock · 104.523 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001257186-26-000010 · wk-form4_1772575726.xml · derivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,336.737

Underlying: Common Stock · 104.523 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001184295-26-000008 · wk-form4_1772576060.xml · derivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,954.75

Underlying: Common Stock · 125.428 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001790648-26-000008 · wk-form4_1772576009.xml · derivative · entry 1

JOHNSON JENNIFER KUPERMAN · CIK 0001790648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,637.133

Underlying: Common Stock · 104.523 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001257186-26-000008 · wk-form4_1770760891.xml · nonDerivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,293

F1 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.2401 to $114.49 per share. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001530950-26-000021 · wk-form4_1770329726.xml · nonDerivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,122

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001861480-26-000006 · wk-form4_1770329648.xml · nonDerivative · entry 1

ERB THOMAS C · CIK 0001861480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,675

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001816548-26-000006 · wk-form4_1770329546.xml · nonDerivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,665

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001257186-26-000006 · wk-form4_1770329590.xml · nonDerivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,276

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001184295-26-000006 · wk-form4_1770329836.xml · nonDerivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,991

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001790648-26-000006 · wk-form4_1770329790.xml · nonDerivative · entry 1

JOHNSON JENNIFER KUPERMAN · CIK 0001790648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,675

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock. The restricted stock units were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001530950-26-000005 · wk-form4_1770156352.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,046.29

Underlying: Common Stock · 168.33 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001861480-26-000004 · wk-form4_1770156274.xml · derivative · entry 1

ERB THOMAS C · CIK 0001861480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,534.294

Underlying: Common Stock · 108.6 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001816548-26-000004 · wk-form4_1770156077.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,046.031

Underlying: Common Stock · 108.6 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001257186-26-000004 · wk-form4_1770156198.xml · derivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,234.078

Underlying: Common Stock · 108.6 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001184295-26-000004 · wk-form4_1770156573.xml · derivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,837.786

Underlying: Common Stock · 130.32 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001790648-26-000004 · wk-form4_1770156441.xml · derivative · entry 1

JOHNSON JENNIFER KUPERMAN · CIK 0001790648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,534.294

Underlying: Common Stock · 108.6 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001759632-26-000003 · wk-form4_1768255245.xml · nonDerivative · entry 1

HARPER BRADLY A · CIK 0001759632 · SVP, CHIEF ACCTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,963

F1 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 967 restricted stock units in accordance with Rule 16b-3.

SEC source: 0001343352-26-000002 · wk-form4_1767736760.xml · derivative · entry 8

Zadoks Jeff A · CIK 0001343352 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,731 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: In accordance with the terms of the Plan, the vesting of the unvested RSUs granted on November 12, 2024, each of which represented a contingent right to receive one share of Post common stock on the applicable vesting date (either the second or third anniversary of the date of grant), accelerated as a result of the Reporting Person's retirement on January 2, 2026. The settlement of the remaining shares of Post common stock underlying the vested RSUs, reduced for the withholding of additional taxes due at that time, will occur following the six-month delay required under Section 409A of the IRC.

F3 · derivative.exercise_date: In accordance with the terms of the Plan, the vesting of the unvested RSUs granted on November 12, 2024, each of which represented a contingent right to receive one share of Post common stock on the applicable vesting date (either the second or third anniversary of the date of grant), accelerated as a result of the Reporting Person's retirement on January 2, 2026. The settlement of the remaining shares of Post common stock underlying the vested RSUs, reduced for the withholding of additional taxes due at that time, will occur following the six-month delay required under Section 409A of the IRC.

F3 · derivative.expiration_date: In accordance with the terms of the Plan, the vesting of the unvested RSUs granted on November 12, 2024, each of which represented a contingent right to receive one share of Post common stock on the applicable vesting date (either the second or third anniversary of the date of grant), accelerated as a result of the Reporting Person's retirement on January 2, 2026. The settlement of the remaining shares of Post common stock underlying the vested RSUs, reduced for the withholding of additional taxes due at that time, will occur following the six-month delay required under Section 409A of the IRC.

SEC source: 0001343352-26-000002 · wk-form4_1767736760.xml · nonDerivative · entry 4

Zadoks Jeff A · CIK 0001343352 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,277

F4 · shares: Surrender of shares in payment of tax withholding due as a result of the accelerated vesting of 9,731 RSUs in accordance with Rule 16b-3.

SEC source: 0001343352-26-000002 · wk-form4_1767736760.xml · nonDerivative · entry 3

Zadoks Jeff A · CIK 0001343352 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,735

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: In accordance with the terms of the Plan, the vesting of the unvested RSUs granted on November 12, 2024, each of which represented a contingent right to receive one share of Post common stock on the applicable vesting date (either the second or third anniversary of the date of grant), accelerated as a result of the Reporting Person's retirement on January 2, 2026. The settlement of the remaining shares of Post common stock underlying the vested RSUs, reduced for the withholding of additional taxes due at that time, will occur following the six-month delay required under Section 409A of the IRC.

SEC source: 0001343352-26-000002 · wk-form4_1767736760.xml · nonDerivative · entry 2

Zadoks Jeff A · CIK 0001343352 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,004

F2 · shares: In accordance with the terms of the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan (the "Plan"), the vesting of the 8,935 unvested RSUs granted on November 18, 2025, each of which represented a contingent right to receive one share of Post common stock on the first anniversary of the date of grant, accelerated as a result of the Reporting Person's retirement on January 2, 2026. The surrender of 420 shares of Post common stock was in payment of tax withholding due as a result of this vesting in accordance with Rule 16b-3. The settlement of the remaining shares of Post common stock underlying the vested RSUs, reduced for the withholding of additional taxes due at that time, will occur following the six-month delay required under Section 409A of the IRC.

SEC source: 0001343352-26-000002 · wk-form4_1767736760.xml · nonDerivative · entry 1

Zadoks Jeff A · CIK 0001343352 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,424

F1 · shares: In accordance with the terms of the Post Holdings, Inc. 2021 Long-Term Incentive Plan, the vesting of the 6,401 unvested restricted stock units ("RSUs") granted on November 14, 2023, each of which represented a contingent right to receive one share of Post Holdings, Inc. ("Post") common stock on the third anniversary of the date of grant, accelerated as a result of the Reporting Person's retirement on January 2, 2026. The surrender of 301 shares of Post common stock was in payment of tax withholding due as a result of this vesting in accordance with Rule 16b-3. The settlement of the remaining shares of Post common stock underlying the vested RSUs, reduced for the withholding of additional taxes due at that time, will occur following the six-month delay required under Section 409A of the Internal Revenue Code (the "IRC").

SEC source: 0001530950-26-000002 · wk-form4_1767649981.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,880.977

Underlying: Common Stock · 173.87 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001861480-26-000002 · wk-form4_1767649919.xml · derivative · entry 1

ERB THOMAS C · CIK 0001861480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,426.67

Underlying: Common Stock · 112.174 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001816548-26-000002 · wk-form4_1767649663.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,938.637

Underlying: Common Stock · 112.174 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.