[Form 4] Post Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Post Holdings, Inc. (POST) reported an equity award for its President & CEO, who is also a director. On 11/18/2025, the executive received 45,367 shares of Post common stock in the form of restricted stock units (RSUs) that vest in equal annual installments over three years, and an additional 22,411 RSUs that vest in full on the first anniversary of the grant date. Both grants were made at a price of $0 under the company’s Amended and Restated 2021 Long-Term Incentive Plan in transactions exempt under Rule 16b-3.

After these awards, the executive directly beneficially owns 987,338 shares of Post common stock. The filing also shows indirect holdings of 6,870 shares through a 1994 Trust, 104,850 shares through a 2020 Family Trust for the spouse, and 114,400 shares through a 2020 Family Trust bearing the executive’s name.

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

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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^*

VITALE ROBERT V

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	PRESIDENT & CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

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	11/18/2025		A		45,367(1)	A	$0	964,927	D
Common Stock	11/18/2025		A		22,411(2)	A	$0	987,338	D
Common Stock								6,870	I	By 1994 Trust
Common Stock								104,850	I	By 2020 Family Trust (Spouse)
Common Stock								114,400	I	By 2020 Family Trust (Robert Vitale)

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. 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.

2. 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.

Remarks:

	/s/ Diedre J. Gray, Attorney-in-Fact	11/20/2025
	** 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 did the Post Holdings (POST) executive report in this Form 4?

The Form 4 reports that a Post Holdings executive who is both President & CEO and a director received two grants of restricted stock units (RSUs) on 11/18/2025 under the company’s Amended and Restated 2021 Long-Term Incentive Plan.

How many Post Holdings RSUs were granted to the executive and on what terms?

The executive received 45,367 RSUs that vest in equal annual increments over three years and a further 22,411 RSUs that vest in full on the first anniversary of the grant date. Each RSU represents the right to receive one share of Post Holdings common stock.

At what price were the Post Holdings RSUs granted in this filing?

The RSUs reported in the Form 4 were granted at a price of $0 per unit, as they are equity incentive awards rather than market purchases.

How many Post Holdings shares does the executive directly own after these transactions?

Following the reported RSU grants, the executive directly beneficially owns 987,338 shares of Post Holdings, Inc. common stock.

What indirect Post Holdings share holdings are disclosed in the Form 4?

The filing shows indirect ownership of 6,870 Post shares through a 1994 Trust, 104,850 shares through a 2020 Family Trust (Spouse), and 114,400 shares through a 2020 Family Trust (Robert Vitale).

Under which plan were the Post Holdings RSUs granted and what rule exemption applies?

The RSUs were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan and are described as being issued in a transaction exempt under Rule 16b-3.