gree-20251123

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

November 23, 2025

Date of Report (date of earliest event reported)

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Greenidge Generation Holdings Inc.

(Exact name of registrant as specified in its charter)

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Delaware (State or other jurisdiction of incorporation or organization)	001-40808 (Commission File Number)	86-1746728 (I.R.S. Employer Identification Number)
1159 Pittsford-Victor Road, Suite 240 Pittsford, New York 14534
(Address of principal executive offices and zip code)
(315) 536-2359
(Registrant's telephone number, including area code)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))


Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading Symbol	Name of each exchange on which registered
Class A common stock, par value $.0001	GREE	The Nasdaq Global Select Market
8.50% Senior Notes due 2026	GREEL	The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 12b-2 of the Exchange Act.

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐


Item 8.01 – Other Events.

On November 23, 2025, the Dresden, NY power generation facility (the “Facility”) owned by Greenidge Generation LLC, a wholly owned subsidiary of Greenidge Generation Holdings Inc. (the “Company”), experienced an electrical switchgear failure and resulting fire (such event, the “Incident”) that was contained and mandated the immediate and complete de-energization of the Facility pursuant to automated safety protocols. The Company, in coordination with its utility partners, fire marshal and specialist electrical contractors, is actively investigating the Incident and developing a repair and restoration plan to end the outage and minimize its effects. Preliminary assessments indicate that the Incident has caused no material damage to the Company’s owned or hosted bitcoin miners located at the Facility. The Company expects to resume normal operations over the course of the next few weeks, however, it is presently unable to provide a definitive timeline for restoration of partial or full service to the Facility.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


Greenidge Generation Holdings Inc.

By:			/s/ Dale Irwin
Name:			Dale Irwin
Title:			President

Date: November 26, 2025

Greenidge Generation Holdings Inc. filed SEC Form 8-K: Other Events