Patrick M. ODonnell - 19 Dec 2025 Form 4 Insider Report for TreeHouse Foods, Inc. (THS)

Role: EVP, Chief Financial Officer
Signature: /s/ Kristy N. Waterman, by Power of Attorney
Issuer symbol: THS
Transactions as of: 19 Dec 2025
Net transactions value: -$85,125
Form type: 4
Filing time: 22 Dec 2025, 16:31:54 UTC
Previous filing: 26 Mar 2025
Next filing: 11 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ODonnell Patrick M	EVP, Chief Financial Officer	2021 SPRING ROAD, SUITE 600, OAK BROOK	/s/ Kristy N. Waterman, by Power of Attorney	22 Dec 2025	0001808900

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	THS	Common Stock	Options Exercise	$0	+5,307	+34%	$0.000000	21,119	19 Dec 2025	Direct	F1
transaction	THS	Common Stock	Tax liability	$36,698	-1,555	-7.4%	$23.60	19,564	19 Dec 2025	Direct	F2
transaction	THS	Common Stock	Options Exercise	$0	+6,250	+32%	$0.000000	25,814	19 Dec 2025	Direct	F1
transaction	THS	Common Stock	Tax liability	$43,235	-1,832	-7.1%	$23.60	23,982	19 Dec 2025	Direct	F2
transaction	THS	Common Stock	Options Exercise	$0	+749	+3.1%	$0.000000	24,731	19 Dec 2025	Direct	F1
transaction	THS	Common Stock	Tax liability	$5,192	-220	-0.89%	$23.60	24,511	19 Dec 2025	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	THS	Restricted Stock Unit	Options Exercise	$0	-5,307	-50%	$0.000000	5,307	19 Dec 2025	Common Stock	5,307		Direct	F1, F3, F4, F5
transaction	THS	Restricted Stock Unit	Options Exercise	$0	-6,250	-33%	$0.000000	12,500	19 Dec 2025	Common Stock	6,250		Direct	F1, F3, F5, F6
transaction	THS	Restricted Stock Unit	Options Exercise	$0	-749	-100%	$0.000000	0	19 Dec 2025	Common Stock	749		Direct	F1, F3, F5, F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Settlement of restricted stock units into shares of common stock.
F2	Shares withheld to satisfy minimum tax withholding requirements upon vesting of restricted stock units.
F3	Each restricted stock unit represents a contingent right to receive one share of common stock of TreeHouse Foods, Inc.
F4	This award was scheduled to vest in three equal installments on 03/15/2025, 03/15/2026, and 03/15/2027, subject to the reporting person's continued service through such vesting date but the vesting of the portion reflected herein was accelerated from 03/15/2026 in order to mitigate the adverse impact to the Issuer and the Reporting Person of Section 280G of the Internal Revenue Code in connection with the pending transaction between the Issuer and Industrial F&B Investments III Inc. ("Section 280G Mitigation").
F5	This award will be subject to clawback in the event it is determined that the Reporting Person would not have ultimately vested in the award notwithstanding the acceleration reflected herein.
F6	This award was scheduled to vest in three equal installments on 02/27/2026, 02/27/2027, and 02/27/2028, subject to the reporting person's continued service through such vesting date but the vesting of the portion reflected herein was accelerated from 02/27/2026 in connection with the Section 280G Mitigation.
F7	This award was scheduled to vest in three equal installments on 03/13/2024, 03/13/2025, and 03/13/2026, subject to the reporting person's continued service through such vesting date but the vesting of the portion reflected herein was accelerated from 03/13/2026 in connection with the Section 280G Mitigation.