Post Holdings director Atkinson adds deferred pay

Director retainers are deferred into stock equivalents and distributed in cash one-for-one upon separation from the Board.

Available on EDGAR 11/03/2026 - 04:48 PM EST Accepted by SEC EDGAR 11/03/2026 - 04:48 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Post Holdings, Inc. director Michelle Marie Atkinson acquired 133.512 stock equivalents on October 30, 2026, reported at $83.22 per share, under the Deferred Compensation Plan for Non-Management Directors. Her directly held balance was 955.484 stock equivalents after the transaction. Director retainers are deferred into stock equivalents, which are distributed in cash on a one-for-one basis upon separation from the Board.

Insider Trade Summary

Grant/Award: 133.512 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	133.512	$83.22	$11K

Holdings After Transaction: Post Holdings, Inc. Stock Equivalents — 955.484 contracts (Direct)

Holdings Before and After: Post Holdings, Inc. Stock Equivalents, 821.972 to 955.484 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: 133.512 stock equivalents Transaction price per share: $83.22 per share Stock equivalents held after transaction: 955.484 stock equivalents

3 metrics

Stock equivalents acquired 133.512 stock equivalents October 30, 2026

Transaction price per share $83.22 per share October 30, 2026

Stock equivalents held after transaction 955.484 stock equivalents Directly held after the October 30, 2026 transaction

Key Terms

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

3 terms

stock equivalents financial

"deferred into Post Holdings, Inc. 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

"distributed (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 POST stock equivalents did Michelle Marie Atkinson receive?

Michelle Marie Atkinson, a director of Post Holdings, acquired 133.512 stock equivalents on October 30, 2026. Her directly held balance after the transaction was 955.484 stock equivalents. Director retainers are deferred into stock equivalents, which are distributed in cash on a one-for-one basis upon separation from the Board.

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

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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)
10/30/2026

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)	10/30/2026		A		133.512		(2)	(2)	Common Stock	133.512	$83.22	955.484	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	11/03/2026
	** 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)