Matthew J. Mainer - 18 Nov 2025 Form 4 Insider Report for Post Holdings, Inc. (POST)

Role
EVP, CFO & TREASURER
Signature
/s/ Diedre J. Gray, Attorney-in-Fact
Issuer symbol
POST
Transactions as of
18 Nov 2025
Net transactions value
$0
Form type
4
Filing time
20 Nov 2025, 17:26:25 UTC
Previous filing
18 Nov 2025
Next filing
02 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MAINER MATTHEW J EVP, CFO & TREASURER C/O POST HOLDINGS, INC., 2503 S. HANLEY ROAD, ST. LOUIS /s/ Diedre J. Gray, Attorney-in-Fact 20 Nov 2025 0001954094

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction POST Common Stock Award $0 +17,338 +35% $0.000000 67,416 18 Nov 2025 Direct F1
transaction POST Common Stock Award $0 +8,123 +12% $0.000000 75,539 18 Nov 2025 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 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 first anniversary of the date of grant, subject to the terms of the award agreement.