Jeff A. Zadoks - 02 Jul 2026 Form 4 Insider Report for Post Holdings, Inc. (POST)

Reporting relationship: Director
Issuer ticker: POST
Reported as of: 02 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 07 Jul 2026, 17:01:56 UTC
Prior SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Diedre J. Gray, Attorney-in-Fact

Key filing fact

Jeff A. Zadoks filed Form 4 for Post Holdings, Inc. (POST) on 07 Jul 2026.

Key facts

This page summarizes Jeff A. Zadoks's Form 4 filing for Post Holdings, Inc. (POST).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 07 Jul 2026, 17:01.

Change

Previous filing in this sequence was filed on 02 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001343352 Primary reporting owner

Zadoks Jeff A

Relationship: Director
Address: C/O POST HOLDINGS, INC., 2503 S. HANLEY ROAD, ST. LOUIS
Signature: /s/ Diedre J. Gray, Attorney-in-Fact
Signature date: 07 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

POST transaction

Common Stock

Tax liability

Transaction value
Shares: -2,544
Change %: -6.7%
Price: $90.94^*
Shares after: 35,433
Date: 02 Jul 2026
Ownership: Direct
Footnotes: F1

POST transaction

Common Stock

Tax liability

Transaction value
Shares: -3,867
Change %: -11%
Price: $90.94^*
Shares after: 31,566
Date: 02 Jul 2026
Ownership: Direct
Footnotes: F2

POST transaction

Common Stock

Tax liability

Transaction value
Shares: -3,551
Change %: -11%
Price: $90.94^*
Shares after: 28,015
Date: 02 Jul 2026
Ownership: Direct
Footnotes: F3

POST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 686
Date: 02 Jul 2026
Ownership: By Family Trust

POST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 48,145
Date: 02 Jul 2026
Ownership: By SLAT

POST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 122,740
Date: 02 Jul 2026
Ownership: By Spouse

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Surrender of shares in payment of additional tax withholding in accordance with Rule 16b-3 due as a result of the settlement of restricted stock units ("RSUs"), which were granted on November 14, 2023 under the Post Holdings, Inc. 2021 Long-Term Incentive Plan (the "Plan"), the vesting of which was accelerated in accordance with the terms of the Plan as a result of the Reporting Person's retirement as an officer of Post Holdings, Inc. (the "Company") on January 2, 2026 and the settlement of which was delayed for six months as required by Section 409A of the Internal Revenue Code (the "IRC"). The vesting and initial tax withholding related to these RSUs were previously disclosed on Reporting Person's Form 4 filed on January 6, 2026.

Footnote F2

Surrender of shares in payment of additional tax withholding in accordance with Rule 16b-3 due as a result of the settlement of RSUs, which were granted on November 12, 2024 under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan (the "A&R Plan"), the vesting of which was accelerated in accordance with the terms of the A&R Plan as a result of the Reporting Person's retirement as an officer of the Company on January 2, 2026 and the settlement of which was delayed for six months as required by Section 409A of the IRC. The vesting and initial tax withholding related to these RSUs were previously disclosed on Reporting Person's Form 4 filed on January 6, 2026.

Footnote F3

Surrender of shares in payment of additional tax withholding in accordance with Rule 16b-3 due as a result of the settlement of RSUs, which were granted on November 18, 2025 under the A&R Plan, the vesting of which was accelerated in accordance with the terms of the A&R Plan as a result of the Reporting Person's retirement as an officer of the Company on January 2, 2026 and the settlement of which was delayed for six months as required by Section 409A of the IRC. The vesting and initial tax withholding related to these RSUs were previously disclosed on Reporting Person's Form 4 filed on January 6, 2026.