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  4. [Form 4] Post Holdings, Inc. Insider Trading Activity

Post Holdings insider reports RSU-related share withholding in Form 4

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Post Holdings, Inc. executive reports share withholding for taxes on RSU vesting. The EVP & COO reported two Form 4 transactions involving common stock on 11/14/2025 and 11/15/2025. On 11/14/2025, 2,820 shares were surrendered at a price of $106.34 per share to cover tax withholding tied to the vesting of 6,401 restricted stock units in accordance with Rule 16b-3. On 11/15/2025, 2,752 shares were surrendered at $106.70 per share to cover tax withholding from the vesting of 6,246 restricted stock units, also under Rule 16b-3. Following these transactions, the executive directly owns 48,790 shares of common stock and has additional indirect holdings through a family trust, a SLAT, and a spouse.

Positive

  • None.

Negative

  • None.
Insider Zadoks Jeff A
Role EVP & COO
Type Security Shares Price Value
Tax Withholding Common Stock 2,752 $106.70 $294K
Tax Withholding Common Stock 2,820 $106.34 $300K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 48,790 shares (Direct); Common Stock — 1,256 shares (Indirect, By Family Trust)
Footnotes (1)
  1. Surrender of shares in payment of tax withholding due as a result of the vesting of 6,401 restricted stock units ("RSUs") in accordance with Rule 16b-3. Surrender of shares in payment of tax withholding due as a result of the vesting of 6,246 RSUs in accordance with Rule 16b-3.
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*
Zadoks Jeff A
(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 & COO
3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025
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 11/14/2025 F 2,820(1) D $106.34 51,542 D
Common Stock 11/15/2025 F 2,752(2) D $106.7 48,790 D
Common Stock 1,256 I By Family Trust
Common Stock 68,145 I By SLAT
Common Stock 122,740 I By Spouse
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. Surrender of shares in payment of tax withholding due as a result of the vesting of 6,401 restricted stock units ("RSUs") in accordance with Rule 16b-3.
2. Surrender of shares in payment of tax withholding due as a result of the vesting of 6,246 RSUs in accordance with Rule 16b-3.
Remarks:
/s/ Diedre J. Gray, Attorney-in-Fact 11/18/2025
** 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.

Source: View Original Filing on SEC EDGAR