of Form 8-K. In accordance with General Instruction B.2. of Form 8-K, the information in this report, including Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), except as may be expressly set forth by specific ref…

The filing describes the approval and grant of equity awards to certain officers.

The PIPE Shares, Sponsor Incentive Shares, MIG Convertible Note, MIG Conversion Shares, MIG Warrant and MIG Warrant Shares are being offered and sold by the Company in reliance upon an exemption from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), afforded by Section 4(a)(2) thereof and/or Regulation D promulgated thereunder. Each of MIG, Atlas and the Other Investors represented that they are “accredited investors” as defined in Rule 501(a) und…

Director — Timothy Lowe and Charles Zeynel: The resignations are tied to the Company’s entry into Subscription Agreements and are not due to any disagreement with the company.

As of the date of this Current Report on Form 8-K, the Company has not issued the MIG Convertible Note, and no direct financial obligation has been created under the MIG Convertible Note. Subject to the satisfaction or waiver of the applicable closing conditions, the Company expects to issue the MIG Convertible Note to MIG at the closing of the PIPE Transaction.

Entry into a Material Definitive Agreement. PIPE Transaction and Subscription Agreements On July 19, 2026, Vulcan Infrastructure and Power Inc. (formerly Greenidge Generation Holdings Inc.) (the “Company”) entered into the following subscription agreements in connection with a private investment in public equity financing transaction (the “PIPE Transaction”): (i) the Subscription Agreement, dated as of July 19, 2026 (the “MIG Subscription Agreement”), between the Company and MIG REF II INFR,…

Entry into a Material Definitive Agreement. The information provided below in

Unregistered Sales of Equity Securities. On May 29 and June 1, 2026, Greenidge Generation Holdings Inc. (the “Company”) entered into separate privately negotiated exchange agreements (collectively, the “Exchange Agreements”), under which it issued an aggregate of 1,162,221 shares of the Company’s Class A Common Stock, par value $0.0001 per share (the “Common Stock”), in exchange for $2,089,400 aggregate principal amount of its 8.50% Senior Notes due October 2026. Pursuant to Section 3(a)(9) o…

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On April 23, 2026, Greenidge Generation Holdings Inc. (the “Company”) notified The Nasdaq Stock Market LLC (“Nasdaq”) that, following the resignation of Kenneth Fearn from the Company’s Board of Directors (the “Board”) and the audit committee of the Board (the “Audit Committee”), effective as of April 15, 2026, the Company is no longer in compliance with Nasdaq Listing Rule 5605(c)(2)(A), whic…

Director — Kenneth Fearn and Christopher Krug: The resignations of Kenneth Fearn and Christopher Krug from the Board of Directors were not due to any disagreement with the Company.

Other Events. On April 9, 2026, Greenidge Generation Holdings Inc. (the “Company”) issued a press release regarding the Company’s exchange offer for its outstanding 8.50% Senior Notes due 2026 commenced on March 11, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report. Cautionary Note Regarding Forward-Looking Statements This report, including Exhibit 99.1 furnished herewith, includes certain statements that may constitute “forward-looking statements” within the meani…

Other Events. On March 25, 2026, Greenidge Generation Holdings Inc. (the “Company”) issued a press release regarding the Company’s exchange offer for its outstanding 8.50% Senior Notes due 2026 commenced on March 11, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report. Cautionary Note Regarding Forward-Looking Statements This report, including Exhibit 99.1 furnished herewith, includes certain statements that may constitute “forward-looking statements” within the mean…

Other Events. On March 11, 2026, the Company issued a press release regarding the commencement of the Company’s exchange offer for its outstanding 8.50% Senior Notes due 2026. A copy of the press release is furnished as Exhibit 99.1 to this report. Cautionary Note Regarding Forward-Looking Statements This report, including Exhibit 99.1 furnished herewith, includes certain statements that may constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act and Se…

The filing describes a special bonus awarded to certain executives for the sale of company property.

of Form 8-K. In accordance with General Instruction B.2. of Form 8-K, the information in this report, including Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) , or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “ Securities Act ” ), except as may be expressly set forth by specific…

of Form 8-K. In accordance with General Instruction B.2. of Form 8-K, the information in this report, including Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) , or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “ Securities Act ” ), except as may be expressly set forth by specific…

Completion of Acquisition or Disposition of Assets. As previously disclosed, on November 26, 2025, 300 Jones Road LLC, a wholly owned subsidiary of Greenidge Generation Holdings Inc. (collectively with each of its affiliates, the “Company”), entered into a Purchase and Sale Agreement and Joint Escrow Instructions (as amended, the “Purchase Agreement”) with 300 Jones Road Associates LLC (the “Purchaser”), an affiliate of Lightstone Parent LLC (the “Guarantor”) and LightHouse Data Centers LLC,…

Entry into a Material Definitive Agreement. On November 26, 2025, 300 Jones Road LLC, a wholly owned subsidiary of Greenidge Generation Holdings Inc. (collectively with each of its affiliates, the “Company”), entered into a Purchase and Sale Agreement and Joint Escrow Instructions (as amended, the “Purchase Agreement”) with 300 Jones Road Associates LLC (the “Purchaser”), an affiliate of Lightstone Parent LLC (the “Guarantor”) and LightHouse Data Centers LLC, pursuant to which the Company has…

The filing details a routine increase in the annual base salary for certain officers.

of Form 8-K. In accordance with General Instruction B.2. of Form 8-K, the information in this report, including Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) , or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “ Securities Act ” ), except as may be expressly set forth by specific…

Entry into a Material Definitive Agreement. On November 7, 2025, Greenidge Generation LLC (“Greenidge”), a wholly-owned subsidiary of Greenidge Generation Holdings Inc. (the “Company”), entered into a Stipulation of Settlement (the “Stipulation”) with the New York State Department of Environmental Conservation (the “Department”), which provides a pathway to resolve ongoing administrative and judicial proceedings concerning renewal of Greenidge’s Title V Air Permit for its power generation fac…

Other Events. On November 6, 2025, Greenidge Generation Holdings Inc. (the “Company”) issued a press release announcing preliminary results of of the Company's tender and exchange offer for its outstanding 8.50% Senior Notes due 2026 commenced on October 6, 2025 (the “Tender/Exchange Offer”), following expiration of the Tender/Exchange Offer at 5:00 p.m., New York City time, on November 5, 2025. A copy of the press release is filed as Exhibit 99.1 to this report and is incorporated by referen…

Other Events. On October 22, 2025, Greenidge Generation Holdings Inc. (the “Company”) issued a press release regarding the Company’s tender and exchange offer for its outstanding 8.50% Senior Notes due 2026 commenced on October 6, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report. Cautionary Note Regarding Forward-Looking Statements This report, including Exhibit 99.1 furnished herewith, includes certain statements that may constitute “forward-looking statements” w…

Other Events. On October 6, 2025, Greenidge Generation Holdings Inc. (the “Company”) issued a press release regarding the commencement of the Company’s tender and exchange offer for its outstanding 8.50% Senior Notes due 2026. A copy of the press release is furnished as Exhibit 99.1 to this report. Cautionary Note Regarding Forward-Looking Statements This report, including Exhibit 99.1 furnished herewith, includes certain statements that may constitute “forward-looking statements” within the…

Other Events. On September 29, 2025, Greenidge Generation Holdings Inc. (the “Company”) issued a press release announcing preliminary results of of the Company's tender and exchange offer for its outstanding 8.50% Senior Notes due 2026 commenced on August 27, 2025 (the “Tender/Exchange Offer”), following expiration of the Tender/Exchange Offer at 12:00 a.m., New York City time, on September 29, 2025. A copy of the press release is filed as Exhibit 99.1 to this report and is incorporated by re…