Post Holdings CEO receives 40,962 performance shares

The performance award’s payout was based on relative total shareholder return percentile-rank performance measured from October 1, 2023, through September 30, 2026.

Rhea-AI Filing Summary

Post Holdings, Inc. (POST) President and CEO Nicolas Catoggio acquired 40,962 shares of common stock on October 22, 2026, through the payout of an earned performance share award. The payout was based on the level of achievement of the award’s relative total shareholder return percentile-rank goal for the performance period October 1, 2023, through September 30, 2026. On the same date, 18,533 shares were surrendered for tax withholding upon vesting, at a reported price of $78.0600 per share.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider CATOGGIO NICOLAS

Role PRES & CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	40,962	$0.00	$0.00
Tax Withholding	Common Stock F2	18,533	$78.06	$1.45M

Holdings After Transaction: Common Stock — 97,971 shares (Direct)

Footnotes (2)

1. F1. Acquisition of shares pursuant to Rule 16b-3 upon payout of earned performance share award (PRSUs) under a shareholder approved equity plan. The payout was based on the level of achievement of the performance goal of relative total shareholder return percentile rank for the performance period October 1, 2023 through September 30, 2026.
2. F2. Surrender of shares in payment of tax withholding due as a result of the vesting of 40,962 PRSUs in accordance with Rule 16b-3.

Key Figures

Shares acquired through performance award payout: 40,962 shares Shares surrendered for tax withholding: 18,533 shares Reported price for shares surrendered: $78.0600 per share

3 metrics

Shares acquired through performance award payout 40,962 shares October 22, 2026

Shares surrendered for tax withholding 18,533 shares October 22, 2026

Reported price for shares surrendered $78.0600 per share Tax-withholding transaction on October 22, 2026

Key Terms

performance share award, relative total shareholder return percentile rank, Rule 16b-3, shareholder approved equity plan

4 terms

performance share award financial

"payout of earned performance share award (PRSUs)"

A performance share award is a type of executive or employee pay that grants company stock only if predefined performance goals are met over a set period. Think of it as a bonus paid in shares—similar to a savings payout that arrives only if certain targets are hit—so it aligns management incentives with company results and can affect future share count and shareholder value. Investors watch these awards because they influence executive behavior, potential dilution of shares, and signals about expected performance.

relative total shareholder return percentile rank financial

"performance goal of relative total shareholder return percentile rank"

Rule 16b-3 regulatory

"pursuant to Rule 16b-3"

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

shareholder approved equity plan financial

"under a shareholder approved equity plan"

FAQ

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

How many shares did POST CEO Nicolas Catoggio receive?

Nicolas Catoggio acquired 40,962 shares of Post Holdings common stock on October 22, 2026, through the payout of an earned performance share award.

How many POST shares were surrendered for tax withholding, and at what price?

18,533 shares were surrendered for tax withholding on October 22, 2026, at a reported price of $78.0600 per share.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 10/26/2026 - 04:39 PM EDT Accepted by SEC EDGAR 10/26/2026 - 04:39 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^*

CATOGGIO NICOLAS

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/22/2026

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
Common Stock	10/22/2026		A		40,962(1)	A	$0	116,504	D
Common Stock	10/22/2026		F		18,533(2)	D	$78.06	97,971	D

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:

1. Acquisition of shares pursuant to Rule 16b-3 upon payout of earned performance share award (PRSUs) under a shareholder approved equity plan. The payout was based on the level of achievement of the performance goal of relative total shareholder return percentile rank for the performance period October 1, 2023 through September 30, 2026.

2. Surrender of shares in payment of tax withholding due as a result of the vesting of 40,962 PRSUs in accordance with Rule 16b-3.

Remarks:

	/s/ Diedre J. Gray, Attorney-in-Fact	10/26/2026
	** 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)