Post Holdings (NYSE: POST) PCB CEO files Form 3 insider report

Rhea-AI Filing Summary

Post Holdings, Inc. executive Gregory Carl Pearson, identified as President and CEO of PCB, has filed an initial Form 3 to report his status as an officer of the company. The filing does not list any reportable holdings or transactions in Post Holdings securities at this time.

Key Terms

Form 3, insider ownership, derivative securities

3 terms

Form 3 regulatory

"executive Gregory Carl Pearson, identified as President and CEO of PCB, has filed an initial Form 3"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

insider ownership financial

"initial Form 3 to report his status as an officer of the company and related insider ownership reporting"

derivative securities financial

"the filing’s derivative section is empty and the summary data show zero derivative transactions or holdings"

Financial contracts whose value is tied to the price or performance of another asset, such as a stock, bond, commodity, index, or currency; examples include options, futures and swaps. They matter to investors because they let you protect against price swings, bet on future moves or gain larger exposure with less upfront cash—like using a lever or insurance policy on an investment—so they can amplify gains and losses and help manage portfolio risk.

Understanding Insider Trading Forms →

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
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1. Name and Address of Reporting Person^*

Pearson Gregory Carl

(Last) (First) (Middle)

C/O POST HOLDINGS, INC.

2503 S. HANLEY ROAD

(Street)

ST. LOUIS MISSOURI 63144

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/01/2026

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

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

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

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

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)

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:

Remarks:

See attached Exhibit 24 - Power of Attorney.

No securities are beneficially owned.

	/s/ Diedre J. Gray, Attorney-in-Fact	04/01/2026
	** 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.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Form 3 filed for POST executive Gregory Carl Pearson show?

It shows that Gregory Carl Pearson, President and CEO of PCB at Post Holdings, has filed his initial insider ownership report. The filing does not include any reportable holdings or transactions in Post Holdings securities at this time.

Did Gregory Carl Pearson buy or sell POST shares in this Form 3 filing?

No, the Form 3 for Gregory Carl Pearson reports no transactions in Post Holdings shares. It only establishes his status as an officer subject to insider reporting rules, with no buy or sell activity disclosed.

What role does Gregory Carl Pearson hold at Post Holdings (POST)?

Gregory Carl Pearson is listed as an officer of Post Holdings with the title "PRES & CEO, PCB." This indicates he leads a Post Holdings business unit referred to as PCB and is subject to insider ownership reporting.

Why is a Form 3 important for Post Holdings (POST) investors?

Form 3 is the initial statement of insider ownership for company officers, directors, or large shareholders. For Post Holdings, it establishes that Gregory Carl Pearson is now a reportable insider, even though no holdings or trades are listed yet.

Does the Form 3 for POST include derivative securities or options?

No, the filing’s derivative section is empty and the summary data show zero derivative transactions or holdings. This means no options, warrants, or other derivative securities are reported for Gregory Carl Pearson in this Form 3.