Form 4: Greenidge CFO Sells Shares for Tax Obligations

Greenidge Generation Holdings Inc.'s CFO, Christian Mulvihill, sold 627 shares of Class A Common Stock to cover tax withholding obligations related to restricted stock unit vesting.

Summary

• Christian Mulvihill, Chief Financial Officer of Greenidge Generation Holdings Inc., reported changes in his beneficial ownership of the company's Class A Common Stock.
• On September 16, 2025, Mulvihill executed two sales transactions, disposing of a total of 627 shares.
• The sales included 5 shares at a price of $1.47 per share and 622 shares at a price of $1.46 per share.
• These transactions were non-discretionary, specifically undertaken to satisfy tax withholding obligations arising from the vesting of restricted stock units.
• Following these reported sales, Mulvihill directly beneficially owns 98,018 shares of Greenidge Generation Holdings Inc. Class A Common Stock.
• The transactions were conducted pursuant to a Rule 10b5-1(c) plan, indicating a pre-arranged trading plan.

Sentiment

Score: 5

Explanation: Neutral. The transaction is a routine, non-discretionary sale for tax purposes related to RSU vesting, which is a common occurrence and does not reflect a change in management's confidence or company fundamentals.

Positives

• The sale was explicitly stated as non-discretionary, solely for covering tax withholding obligations, rather than a voluntary divestment by the CFO.
• The transaction was executed under a Rule 10b5-1(c) plan, demonstrating a structured and pre-planned approach to managing equity compensation and tax liabilities.

Negatives

• A reduction in the CFO's direct beneficial ownership by 627 shares, although for tax purposes.

Future Outlook

No future outlook or guidance is provided in this Form 4 filing.

Management Comments

• 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.

Industry Context

This filing pertains to an individual insider's compensation and tax obligations within Greenidge Generation Holdings Inc. and does not offer broader industry context or trends.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a routine tax-related sale, not a discretionary divestment indicating a change in insider sentiment.

Key Dates

Recommendation

The filing details a routine, non-discretionary sale of shares by the CFO to cover tax obligations from restricted stock unit vesting. This type of transaction is common and does not indicate a change in the company's fundamentals or management's outlook. Therefore, it provides no new information to warrant a change in investment thesis, suggesting a 'hold' recommendation.

Keywords

Greenidge Generation Holdings, GREE, Christian Mulvihill, CFO, Form 4, Insider Transaction, Stock Sale, Restricted Stock Units, Tax Withholding, 10b5-1 Plan