POST Form 4: EVP Diedre Gray discloses dispositions and trust holdings

Rhea-AI Filing Summary

Diedre J. Gray, identified as EVP, General Counsel & Chief Administrative Officer and Secretary of Post Holdings, Inc. (POST), reported transactions dated 08/29/2025 on a Form 4. The filing shows a Code G disposition of 1,125 shares of Post common stock at a reported price of $0 (a gift), leaving 123,929 shares beneficially owned indirectly through a trust. The form also records additional entries listing a disposition of 19,325 shares (D) and indirect ownership of 45,839 shares attributed to a spouse's trust. The document is signed by Ms. Gray on 09/03/2025. All items in this summary reflect only the amounts and labels shown on the Form 4.

Positive

• None.

Negative

• Insider dispositions reported: the filing shows dispositions including a 1,125-share gift and a 19,325-share disposition, which are material facts for disclosure purposes

Insights

Securities Analyst

TL;DR: Routine insider reporting of share dispositions, including a gift of 1,125 shares; no price-proceeds transaction reported.

The Form 4 shows an officer-level insider making multiple reported dispositions on 08/29/2025. The primary reported transaction uses Code G, indicating a gift of 1,125 shares recorded at a $0 price, which is consistent with philanthropic or estate-planning transfers rather than a market sale. The filing also lists a 19,325-share disposition line and 45,839 shares noted as indirectly owned via a spouse's trust. For investors, this is a transparency and disclosure item rather than evidence of an active liquidity event or change in operational control.

Corporate Governance Expert

TL;DR: Officer disclosed trust and spouse-trust holdings plus a small gift; routine governance disclosure with limited investor implication.

The reporting indicates indirect ownership structures (trust and spouse's trust) and a small gift transfer. Such patterns commonly reflect estate-planning or intra-family transfers. The Form 4 is properly signed and dated, fulfilling Section 16 reporting requirements. There is no indication in the filing of unusual timing, pledged shares, or derivative activity that would raise governance red flags.

Insider Trade Summary

1,125 shares gifted

Mixed 3 txns

Insider GRAY DIEDRE J

Role EVP, GC & CAO, SECY

Type	Security	Shares	Price	Value
Gift	Common Stock	1,125	$0.00	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 123,929 shares (Indirect, By Trust); Common Stock — 19,325 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

GRAY DIEDRE J

(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)
	EVP, GC & CAO, SECY

3. Date of Earliest Transaction (Month/Day/Year)
08/29/2025

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	08/29/2025		G		1,125	D	$0	123,929	I	By Trust
Common Stock								19,325	D
Common Stock								45,839	I	By Spouse's Trust

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:

Remarks:

	/s/ Diedre J. Gray	09/03/2025
	** 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 POST insider Diedre J. Gray report on the Form 4?

The Form 4 reports dispositions on 08/29/2025, including a Code G gift of 1,125 shares at $0, and additional entries showing 19,325 shares disposed and 45,839 shares indirectly owned via a spouse's trust.

What does Code G mean on the Form 4 for POST (POST)?

Code G is used on Form 4 to indicate a gift of securities; the filing shows the 1,125-share disposition recorded at a $0 price.

How many POST shares does Diedre J. Gray beneficially own after the reported transactions?

Following the reported transactions the Form 4 shows 123,929 shares beneficially owned indirectly by Ms. Gray through a trust, as stated on the filing.

When was the Form 4 signed and filed for the POST insider transaction?

The Form 4 is signed by Diedre J. Gray on 09/03/2025 and reports transactions dated 08/29/2025.

Does the Form 4 show any option, derivative, or exercise transactions for POST?

No. Table II (derivative securities) contains no reported entries; the filing only shows non-derivative common stock dispositions.