POST insider update: 1,280 RSUs vested; direct stake 9,457 shares

Rhea-AI Filing Summary

Post Holdings, Inc. (POST) reported insider activity by its SVP, Chief Accounting Officer on 11/12/2025 tied to restricted stock unit vesting. The officer acquired 1,280 shares at $0 upon RSU settlement and surrendered 564 shares at $106.02 to cover taxes under Rule 16b-3.

After these transactions, the officer directly held 9,457 shares, with an additional 1,439.95 shares held indirectly via a 401(k) plan. Derivative holdings included 2,561 RSUs, which vest in equal annual installments over three years per the award terms.

Insider Trade Summary

1,280 shares exercised/converted

Mixed 4 txns

Insider HARPER BRADLY A

Role SVP, CHIEF ACCTING OFFICER

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	1,280	$0.00	--
Exercise	Common Stock	1,280	$0.00	--
Tax Withholding	Common Stock	564	$106.02	$60K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 2,561 shares (Direct); Common Stock — 10,021 shares (Direct); Common Stock — 1,439.95 shares (Indirect, By 401(k) Plan)

Footnotes (1)

1. Surrender of shares in payment of tax withholding due as a result of the vesting of 1,280 restricted stock units ("RSUs") in accordance with Rule 16b-3. 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. 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HARPER BRADLY A

(Last) (First) (Middle)

C/O POST HOLDINGS, INC.

2503 S. HANLEY ROAD

(Street)

ST. LOUIS MO 63144

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Post Holdings, Inc. [ POST ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, CHIEF ACCTING OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
11/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/12/2025		M		1,280	A	$0	10,021	D
Common Stock	11/12/2025		F		564(1)	D	$106.02	9,457	D
Common Stock								1,439.95	I	By 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	11/12/2025		M			1,280	(3)	(3)	Common Stock	1,280	$0	2,561	D

Explanation of Responses:

1. Surrender of shares in payment of tax withholding due as a result of the vesting of 1,280 restricted stock units ("RSUs") in accordance with Rule 16b-3.

2. 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.

3. 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.

Remarks:

	/s/ Diedre J. Gray, Attorney-in-Fact	11/14/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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