Post Holdings (NYSE: POST) SVP reports tax withholding share surrender

Rhea-AI Filing Summary

Post Holdings, Inc. senior vice president and chief accounting officer Bradly A. Harper reported a tax-related share transaction. On 01/09/2026, Harper surrendered 478 shares of Post Holdings common stock at a price of $98.43 per share to cover tax withholding triggered by the vesting of 967 restricted stock units under Rule 16b-3. After this withholding transaction, Harper beneficially owns 10,963 shares of common stock directly and 1,442.97 shares indirectly through a 401(k) plan. This filing reflects administrative tax settlement rather than an open-market purchase or sale.

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

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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)
01/09/2026

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	01/09/2026		F		478(1)	D	$98.43	10,963	D
Common Stock								1,442.97	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

Explanation of Responses:

1. Surrender of shares in payment of tax withholding due as a result of the vesting of 967 restricted stock units in accordance with Rule 16b-3.

Remarks:

	/s/ Diedre J. Gray, Attorney-in-Fact	01/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Post Holdings (POST) report for Bradly A. Harper?

Bradly A. Harper, SVP and Chief Accounting Officer of Post Holdings, Inc., reported the surrender of 478 shares of common stock on 01/09/2026 to cover tax withholding related to vesting restricted stock units.

Was the Post (POST) insider transaction an open-market sale or tax withholding?

The transaction was described as a surrender of shares in payment of tax withholding due from the vesting of 967 restricted stock units, not an open-market sale.

How many Post Holdings (POST) shares does Bradly A. Harper own after the reported transaction?

Following the transaction, Bradly A. Harper beneficially owns 10,963 shares of Post Holdings common stock directly and 1,442.97 shares indirectly through a 401(k) plan.

What was the price per share used for the Post (POST) insider tax withholding transaction?

The 478 shares surrendered for tax withholding were valued at a price of $98.43 per share.

What triggered the insider share surrender reported by Post Holdings (POST)?

The share surrender was triggered by the vesting of 967 restricted stock units, with shares surrendered to pay tax withholding in accordance with Rule 16b-3.

Does Bradly A. Harper’s Form 4 indicate indirect ownership of Post (POST) shares?

Yes. In addition to directly held shares, the filing reports 1,442.97 shares of Post common stock held indirectly by a 401(k) plan.