Christian Mulvihill - 19 May 2025 Form 4 Insider Report for Greenidge Generation Holdings Inc. (GREE)

Role: Chief Financial Officer
Signature: /s/ Christian Mulvihill
Issuer symbol: GREE
Transactions as of: 19 May 2025
Net transactions value: +$13,498
Form type: 4
Filing time: 20 May 2025, 16:00:36 UTC
Previous filing: 15 May 2025
Next filing: 23 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mulvihill Christian	Chief Financial Officer	1159 PITTSFORD-VICTOR ROAD, SUITE 240, PITTSFORD	/s/ Christian Mulvihill	20 May 2025	0001998358

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GREE	Class A Common Stock	Award	$0	+12,737	+15%	$0.000000	96,790	19 May 2025	Direct	F1
transaction	GREE	Class A Common Stock	Purchase	$13,498	+10,000	+10%	$1.35	106,790	20 May 2025	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units granted as one-time discretionary bonus compensation pursuant to the Issuer's Second Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested on May 20, 2025.
F2	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.3250 to $1.3500.