Hydrofarm Holdings Group (HYFM) CAO has shares withheld for RSU tax

Rhea-AI Filing Summary

Hydrofarm Holdings Group's Chief Accounting Officer and Corporate Controller, Erica Ackerman, reported an automatic share withholding related to equity compensation. On January 6, 2026, 687 shares of common stock were withheld at $1.51 per share to satisfy tax withholding obligations tied to the vesting of 1,666 stock-settled restricted stock units, which convert on a 1-for-1 basis into common shares. After this transaction, she beneficially owned 7,540 shares of Hydrofarm common stock in direct ownership.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ackerman Erica

Role CAO and Corporate Controller

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock, $0.0001 par value per share	687	$1.51	$1K

Holdings After Transaction: Common Stock, $0.0001 par value per share — 7,540 shares (Direct)

Footnotes (1)

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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^*

Ackerman Erica

(Last) (First) (Middle)

1510 MAIN STREET

(Street)

SHOEMAKERSVILLE PA 19555

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
HYDROFARM HOLDINGS GROUP, INC. [ HYFM ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CAO and Corporate Controller

3. Date of Earliest Transaction (Month/Day/Year)
01/06/2026

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, $0.0001 par value per share	01/06/2026		F		687(1)	D	$1.51	7,540	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. 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

Remarks:

	/s/ Erica Ackerman	01/08/2026
	** 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.

FAQ

What insider transaction did HYFM officer Erica Ackerman report?

Erica Ackerman, Hydrofarm Holdings Group's CAO and Corporate Controller, reported an automatic withholding of 687 shares of common stock on January 6, 2026 to cover taxes on vested restricted stock units.

Was the Hydrofarm (HYFM) insider transaction a market sale?

The transaction was coded "F", indicating shares were withheld by the issuer to satisfy tax withholding obligations on vested restricted stock units, rather than a discretionary open-market sale.

How many Hydrofarm (HYFM) restricted stock units vested for the officer?

The footnote states that the withholding related to the vesting of 1,666 stock-settled restricted stock units, each settled on a 1-for-1 basis into shares of common stock.

At what price were the withheld HYFM shares valued in this Form 4?

The 687 withheld shares of Hydrofarm common stock were valued at $1.51 per share for purposes of satisfying the tax withholding obligation.

How many HYFM shares does the reporting officer own after this transaction?

Following the tax withholding transaction, Erica Ackerman beneficially owned 7,540 shares of Hydrofarm Holdings Group common stock in direct ownership.

What is Erica Ackerman’s role at Hydrofarm Holdings Group (HYFM)?

The reporting person, Erica Ackerman, is an officer of Hydrofarm Holdings Group, serving as CAO and Corporate Controller.