MARK W. WESTPHAL - 22 Oct 2025 Form 4 Insider Report for Post Holdings, Inc. (POST)

Role
PRES., FOODSERVICE
Signature
/s/ Diedre J. Gray, Attorney-in-Fact
Issuer symbol
POST
Transactions as of
22 Oct 2025
Transactions value $
-$2,107,141
Form type
4
Filing time
24 Oct 2025, 16:51:38 UTC
Previous filing
19 Nov 2024
Next filing
14 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WESTPHAL MARK W PRES., FOODSERVICE C/O POST HOLDINGS, INC., 2503 S. HANLEY ROAD, ST. LOUIS /s/ Diedre J. Gray, Attorney-in-Fact 24 Oct 2025 0001730096

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction POST Common Stock Award $0 +43.1K +27.74% $0.00 198K 22 Oct 2025 Direct F1
transaction POST Common Stock Tax liability -$2.11M -19.7K -9.9% $107.19 179K 22 Oct 2025 Direct F2
holding POST Common Stock 17.2K 22 Oct 2025 By 401(k) Plan
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Acquisition of shares pursuant to Rule 16b-3 upon payout of earned performance share award ("PRSUs") under a shareholder approved equity plan. The payout was based on the level of achievement of the performance goal of relative total shareholder return percentile rank for the performance period October 1, 2022 through September 30, 2025.
F2 Surrender of shares in payment of tax withholding due as a result of the vesting of 43,108 PRSUs in accordance with Rule 16b-3.