Post Holdings director gets 133 stock equivalents

A Post Holdings, Inc. director received additional deferred stock-equivalent compensation tied to board retainers, increasing her total stock-equivalent balance.

Rhea-AI Filing Summary

Post Holdings, Inc. (symbol: POST) is the issuer of record for a Form 4 filing submitted to the SEC. Atkinson Michelle Marie reported acquisition or exercise transactions in this Form 4 filing.

Post Holdings, Inc. (POST) reported that director Michelle Marie Atkinson received an automatic grant of 133.287 Post Holdings, Inc. stock equivalents on August 31, 2026, credited under the company’s Deferred Compensation Plan for Non-Management Directors based on her retainer as a director.

Following this award, she holds a total of 669.672 stock equivalents, each representing one share of common stock and payable in cash on a one-for-one basis upon her separation from the Board of Directors. These stock equivalents have no fixed exercisable or expiration dates, and no Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Grant/Award: 133.287 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	133.287	$83.36	$11K

Holdings After Transaction: Post Holdings, Inc. Stock Equivalents — 669.672 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 granted: 133.287 stock equivalents Reference value per stock equivalent: $83.36 per stock equivalent Total stock equivalents after award: 669.672 stock equivalents +1 more

4 metrics

Stock equivalents granted 133.287 stock equivalents Automatic award to a director on August 31, 2026 under the Deferred Compensation Plan for Non-Management Directors

Reference value per stock equivalent $83.36 per stock equivalent Value associated with the 133.287 stock equivalents credited on August 31, 2026

Total stock equivalents after award 669.672 stock equivalents Director’s total holdings of Post Holdings, Inc. stock equivalents following the August 31, 2026 award

Underlying common stock represented 133.287 shares of common stock equivalent Each new stock equivalent corresponds one-for-one to a share of Post Holdings, Inc. common stock, payable in cash

Key Terms

stock equivalents, Deferred Compensation Plan for Non-Management Directors, separation from the Board of Directors

3 terms

stock equivalents financial

"Reporting Person is credited with stock equivalents as soon as administratively practicable"

Deferred Compensation Plan for Non-Management Directors financial

"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"

separation from the Board of Directors financial

"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"

FAQ

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

What insider transaction did POST report for Michelle Marie Atkinson?

POST reported that director Michelle Marie Atkinson received an automatic award of 133.287 stock equivalents on August 31, 2026 under the Deferred Compensation Plan for Non-Management Directors, reflecting retainer fees deferred into stock equivalents.

How many Post Holdings, Inc. stock equivalents does the director hold after this Form 4 transaction?

After the reported award, Michelle Marie Atkinson holds 669.672 Post Holdings, Inc. stock equivalents in total, all credited under the company’s Deferred Compensation Plan for Non-Management Directors.

What is the value basis used for the new POST stock equivalents granted?

The 133.287 stock equivalents credited to the director on August 31, 2026 are valued using a reference amount of $83.36 per equivalent, as stated for this award of Post Holdings, Inc. stock equivalents.

When will the POST stock equivalents granted to the director be paid out?

The filing states that the value of these Post Holdings, Inc. stock equivalents will be distributed in cash on a one-for-one basis with the underlying common stock equivalents upon the director’s separation from the Board of Directors.

Do the POST stock equivalents reported in this Form 4 have exercise or expiration dates?

No. The filing explains that these Post Holdings, Inc. stock equivalents have no fixed exercisable or expiration dates, and their value is paid in cash when the director leaves the Board.

Was the August 31, 2026 POST insider transaction under a Rule 10b5-1 trading plan?

No. The Form 4 indicates no Rule 10b5-1 trading plan for this transaction; it is an automatic crediting of stock equivalents 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 09/02/2026 - 04:36 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:35 PM EDT 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)
08/31/2026

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)	08/31/2026		A		133.287		(2)	(2)	Common Stock	133.287	$83.36	669.672	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	09/02/2026
	** 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)