Robert Vitale V - 12 Nov 2026 Form 4 Insider Report for Post Holdings, Inc. (POST)

Reporting relationship: EXECUTIVE CHAIRMAN, Director
Issuer ticker: POST
Reported as of: 12 Nov 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Nov 2026, 17:24:48 UTC
Prior SEC filing: 26 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Diedre J. Gray, Attorney-in-Fact

Filing notes and source

Key filing fact

Robert Vitale V filed Form 4 for Post Holdings, Inc. (POST) on 13 Nov 2026.

Key facts

This page summarizes Robert Vitale V's Form 4 filing for Post Holdings, Inc. (POST).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 13 Nov 2026, 17:24.

Change

Previous filing in this sequence was filed on 26 Oct 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 0001540021 Primary reporting owner

VITALE ROBERT V

Relationship: EXECUTIVE CHAIRMAN, Director
Address: C/O POST HOLDINGS, INC., 2503 S. HANLEY ROAD, ST. LOUIS
Signature: /s/ Diedre J. Gray, Attorney-in-Fact
Signature date: 13 Nov 2026

Reported non-derivative transactions

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

POST transaction

Common Stock

Options Exercise

Transaction value
Shares: +14,582
Change %: +1.4%
Price: $0.000000^*
Shares after: 1,068,455
Date: 12 Nov 2026
Ownership: Direct

POST transaction

Common Stock

Tax liability

Transaction value
Shares: -6,424
Change %: -0.6%
Price: $80.83^*
Shares after: 1,062,031
Date: 12 Nov 2026
Ownership: Direct
Footnotes: F1

POST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,870
Date: 12 Nov 2026
Ownership: By 1994 Trust

POST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 114,400
Date: 12 Nov 2026
Ownership: By 2020 Family Trust (Robert Vitale)

POST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 104,850
Date: 12 Nov 2026
Ownership: By 2020 Family Trust (Spouse)

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

POST transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -14,582
Change %: -50%
Price: $0.000000^*
Shares after: 14,583
Date: 12 Nov 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 14,582
Exercise price
Footnotes: F2, F3

^* 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 tax withholding due as a result of the vesting of 14,582 restricted stock units ("RSUs") in accordance with Rule 16b-3.

Footnote F2

Each RSU represents a contingent right to receive one share of Post Holdings, Inc. common stock. The RSUs were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3.

Footnote F3

One-third of the RSUs vest on each of the first, second and third anniversaries of the date of grant without any action on the part of the participant, subject to the terms of the applicable award agreement.