Post Holdings director receives deferred retainer pay

The deferred equivalents are distributed in cash on a one-for-one basis upon the director’s separation from the board.

Rhea-AI Filing Summary

Post Holdings, Inc. (POST) director Michelle Marie Atkinson acquired 152.517 stock equivalents on September 30, 2026, bringing her reported direct position to 822.442 stock equivalents. The equivalents reflect director retainers deferred under the Deferred Compensation Plan for Non-Management Directors; they are credited as soon as administratively practicable following the month the retainer is earned and distributed in cash on a one-for-one basis upon separation from the board. They have no fixed exercisable or expiration dates.

Insider Trade Summary

Grant/Award: 152.517 shares

Grant/Award 1 txn

Insider Atkinson Michelle Marie

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Post Holdings, Inc. Stock Equivalents F1, F2	152.517	$72.85	$11K

Holdings After Transaction: Post Holdings, Inc. Stock Equivalents — 822.442 contracts (Direct)

Footnotes (2)

1. F1. Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.
2. F2. The stock equivalents have no fixed exercisable or expiration dates.

Key Figures

Stock equivalents acquired: 152.517 stock equivalents Direct stock-equivalent position following transaction: 822.442 stock equivalents Reported transaction price per share: 72.8500 per share

3 metrics

Stock equivalents acquired 152.517 stock equivalents September 30, 2026

Direct stock-equivalent position following transaction 822.442 stock equivalents Following the September 30, 2026 transaction

Reported transaction price per share 72.8500 per share Stock-equivalent acquisition on September 30, 2026

Key Terms

stock equivalents, Deferred Compensation Plan for Non-Management Directors, one-for-one basis

3 terms

stock equivalents financial

"credited with stock equivalents"

Deferred Compensation Plan for Non-Management Directors financial

"under the Issuer's Deferred Compensation Plan for Non-Management Directors"

one-for-one basis financial

"on a one-for-one basis in the form of cash"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many stock equivalents did POST director Michelle Marie Atkinson acquire?

Michelle Marie Atkinson acquired 152.517 Post Holdings, Inc. stock equivalents on September 30, 2026. Her reported direct position after the transaction was 822.442 stock equivalents; the award relates to director retainers deferred under the Deferred Compensation Plan for Non-Management Directors.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/02/2026 - 04:40 PM Accepted by SEC EDGAR 10/02/2026 - 04:40 PM Learn about SEC filing dates

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^*

Atkinson Michelle Marie

(Last) (First) (Middle)

C/O POST HOLDINGS, INC.

2503 S. HANLEY ROAD

(Street)

ST. LOUIS MISSOURI 63144

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

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

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

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

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

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
Post Holdings, Inc. Stock Equivalents	(1)	09/30/2026		A		152.517		(2)	(2)	Common Stock	152.517	$72.85	822.442	D

Explanation of Responses:

1. Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon separation from the Board of Directors.

2. The stock equivalents have no fixed exercisable or expiration dates.

Remarks:

	/s/ Diedre J. Gray, Attorney-in-Fact	10/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)