Greenidge president sells shares for tax withholding

Greenidge Generation Holdings Inc. president Dale Irwin reported automatic share sales related to equity compensation.

Rhea-AI Filing Summary

Greenidge Generation Holdings Inc. president Dale Irwin reported automatic share sales related to equity compensation. On February 2, 2026, he sold 6 Class A common shares at $1.26 and 1,979 shares at $1.28. The filing explains these shares were sold solely to cover tax withholding on vested restricted stock units, not as discretionary sales. After these transactions, Irwin directly owned 103,285 Class A shares.

Insider Trade Summary

Net Seller: 1,985 shares

Net Sell 2 txns

Insider Irwin Dale

Role President

Sold 1,985 shs ($3K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	6	$1.26	$7.56
Sale	Class A Common Stock	1,979	$1.28	$3K

Holdings After Transaction: Class A Common Stock — 103,285 shares (Direct)

Footnotes (1)

1. F1. Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

FAQ

What did Greenidge Generation (GREE) president Dale Irwin report in this Form 4?

Dale Irwin reported sales of Class A common stock on February 2, 2026. The transactions were tied to tax withholding on vested restricted stock units, rather than discretionary open-market sales, and were disclosed as routine insider activity under Section 16 rules.

How many Greenidge Generation (GREE) shares did Dale Irwin sell and at what prices?

He sold 6 Class A common shares at $1.26 and 1,979 shares at $1.28. These transactions were executed on February 2, 2026 and were undertaken specifically to satisfy tax withholding obligations on vested restricted stock units, according to the filing footnote.

Why were Dale Irwins Greenidge Generation (GREE) shares sold according to the Form 4 footnote?

The filing states the shares were sold to cover tax withholding obligations from the vesting of restricted stock units. It emphasizes that these transactions do not represent discretionary sales by Dale Irwin, distinguishing them from voluntary insider selling for portfolio or personal liquidity reasons.

How many Greenidge Generation (GREE) shares does Dale Irwin own after these transactions?

Following the reported sales, Dale Irwin directly owned 103,285 Class A common shares. This post-transaction holding reflects his remaining equity stake after selling a small portion of shares solely to satisfy tax obligations tied to restricted stock unit vesting.

What is Dale Irwins role at Greenidge Generation (GREE) as disclosed in the Form 4?

The Form 4 identifies Dale Irwin as an officer of Greenidge Generation Holdings Inc., holding the title of President. This classification subjects his equity transactions in the companys securities to ongoing reporting under Section 16 of the Securities Exchange Act.

Does this Greenidge Generation (GREE) Form 4 indicate discretionary insider selling?

The footnote states the reported transactions do not represent discretionary sales by the reporting person. Instead, the shares were sold automatically to satisfy tax withholding obligations connected to the vesting of restricted stock units granted as part of compensation.

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Accepted by SEC EDGAR 02/04/2026 - 04:36 PM Learn about SEC filing dates

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^*

Irwin Dale

(Last) (First) (Middle)

C/O GREENIDGE GENERATION HOLDINGS INC.

1159 PITTSFORD-VICTOR ROAD, SUITE 240

(Street)

PITTSFORD NY 14534

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Greenidge Generation Holdings Inc. [ GREE ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026

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
Class A Common Stock	02/02/2026(1)		S		6	D	$1.26	105,264	D
Class A Common Stock	02/02/2026(1)		S		1,979	D	$1.28	103,285	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. Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

Remarks:

	/s/ Dale Irwin	02/04/2026
	** 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.