Post Holdings director Jeff Zadoks reports holdings

Post Holdings, Inc. director Jeff A. Zadoks filed an initial statement of beneficial ownership of common stock.

Rhea-AI Filing Summary

Post Holdings, Inc. director Jeff A. Zadoks filed an initial statement of beneficial ownership of common stock. He reports direct ownership of 36,277 shares, plus additional indirect holdings through a family trust, a SLAT and his spouse. The direct balance includes 23,888 restricted stock units previously granted in connection with his employment. These RSUs vested in conjunction with his retirement on January 2, 2026, and will be settled in shares after a six-month delay, with a portion withheld to cover taxes.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Zadoks Jeff A

Role Director

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 36,277 shares (Direct); Common Stock — 686 shares (Indirect, By Family Trust); Common Stock — 48,145 shares (Indirect, By SLAT); Common Stock — 122,740 shares (Indirect, By Spouse)

Footnotes (1)

1. F1. This balance includes 23,888 restricted stock units ("RSUs"), (i) which were previously granted to Reporting Person in connection with his prior roles as an employee of Post Holdings, Inc. (the "Issuer") under either the Post Holdings, Inc. 2021 Long-Term Incentive Plan or the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan and (ii) the vesting of which accelerated according to the terms of the award agreements underlying the RSUs in conjunction with his retirement as an employee of the Issuer on January 2, 2026 (the "Retirement Date"). Each RSU represents a right to receive one share of the Issuer's common stock. The settlement of these RSUs, reduced for the withholding of certain taxes due at that time, will occur following a six-month delay after the Retirement Date, as required under Section 409A of the Internal Revenue Code.

FAQ

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

What does Jeff A. Zadoks disclose in his Form 3 for POST?

Jeff A. Zadoks discloses his initial beneficial ownership of Post Holdings common stock, including directly held shares and additional indirect holdings through a family trust, a SLAT, and his spouse, establishing his equity position as a company director.

How many Post Holdings (POST) shares does Zadoks hold directly and indirectly?

Zadoks reports 36,277 Post Holdings common shares held directly, plus separate indirect positions held by a family trust, a SLAT, and his spouse. Each category is listed with its own share balance to show how his total beneficial ownership is structured.

What restricted stock units (RSUs) are included in Zadoks’ Post Holdings holdings?

His direct balance includes 23,888 Post Holdings restricted stock units granted under the company’s 2021 long-term incentive plans. These RSUs vested upon his retirement and each unit represents a right to receive one share of common stock in the future.

When will Jeff A. Zadoks’ Post Holdings RSUs be settled in shares?

The RSUs will be settled after a six-month delay following Zadoks’ January 2, 2026 retirement date. At settlement, the company will withhold a portion of the resulting shares to cover applicable taxes before delivering the net shares to him.

How are Zadoks’ indirect Post Holdings (POST) holdings structured?

Zadoks lists indirect ownership of Post Holdings common stock held by a family trust, an SLAT, and his spouse. These entries indicate beneficial ownership through related entities or persons, in addition to his directly held shares, as part of his overall equity stake.

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

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Accepted by SEC EDGAR 03/16/2026 - 05:09 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Zadoks Jeff A

(Last) (First) (Middle)

C/O POST HOLDINGS, INC.

2503 S. HANLEY ROAD

(Street)

ST. LOUIS MO 63144

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/15/2026

3. Issuer Name and Ticker or Trading Symbol
Post Holdings, Inc. [ POST ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	36,277(1)	D
Common Stock	686	I	By Family Trust
Common Stock	48,145	I	By SLAT
Common Stock	122,740	I	By Spouse

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This balance includes 23,888 restricted stock units ("RSUs"), (i) which were previously granted to Reporting Person in connection with his prior roles as an employee of Post Holdings, Inc. (the "Issuer") under either the Post Holdings, Inc. 2021 Long-Term Incentive Plan or the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan and (ii) the vesting of which accelerated according to the terms of the award agreements underlying the RSUs in conjunction with his retirement as an employee of the Issuer on January 2, 2026 (the "Retirement Date"). Each RSU represents a right to receive one share of the Issuer's common stock. The settlement of these RSUs, reduced for the withholding of certain taxes due at that time, will occur following a six-month delay after the Retirement Date, as required under Section 409A of the Internal Revenue Code.

Remarks:

See attached Exhibit 24 - Power of Attorney.

	/s/ Diedre J. Gray, Attorney-in-Fact	03/16/2026
	** 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 5 (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.