Erica Ackerman - 06 Jan 2026 Form 4 Insider Report for HYDROFARM HOLDINGS GROUP, INC. (HYFM)

Role: CAO and Corporate Controller
Signature: /s/ Erica Ackerman
Issuer symbol: HYFM
Transactions as of: 06 Jan 2026
Net transactions value: -$1,037
Form type: 4
Filing time: 08 Jan 2026, 16:09:25 UTC
Previous filing: 13 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ackerman Erica	CAO and Corporate Controller	1510 MAIN STREET, SHOEMAKERSVILLE	/s/ Erica Ackerman	08 Jan 2026	0002041429

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HYFM	Common Stock, $0.0001 par value per share	Tax liability	$1,037	-687	-8.4%	$1.51	7,540	06 Jan 2026	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Shares withheld to satisfy tax withholding obligation applicable to the vesting of 1,666 stock-settled restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number