Charles M. Zeynel - 18 Aug 2025 Form 4 Insider Report for Greenidge Generation Holdings Inc. (GREE)

Role: Director
Signature: /s/ Charles M. Zeynel
Issuer symbol: GREE
Transactions as of: 18 Aug 2025
Transactions value $: $0
Form type: 4
Filing time: 20 Aug 2025, 20:48:20 UTC
Previous filing: 20 Aug 2025
Next filing: 17 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Zeynel Charles M.	Director	C/O GREENIDGE GENERATION HOLDINGS INC., 1159 PITTSFORD-VICTOR ROAD, SUITE 240, PITTSFORD	/s/ Charles M. Zeynel	20 Aug 2025	0002081778

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GREE	Class A Common Stock	Award	$0	+68.5K		$0.00	68.5K	18 Aug 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs") granted as an initial award pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan in connection with the Reporting Person's appointment to the Issuer's Board of Directors. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in three approximately equal annual installments beginning one year after the grant date.

Content

Represents restricted stock units ("RSUs") granted as an initial award pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan in connection with the Reporting Person's appointment to the Issuer's Board of Directors. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in three approximately equal annual installments beginning one year after the grant date.