STOCK TITAN

[Form 4] Greenidge Generation Holdings Inc. Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4

Christian Mulvihill, identified as the Chief Financial Officer of Greenidge Generation Holdings Inc., reported two non-discretionary sales on 09/16/2025 to cover tax withholding related to the vesting of restricted stock units. The Form 4 shows sales at prices of $1.47 and $1.46. Following the reported transactions, the reporting person beneficially owned 98,640 and 98,018 shares respectively as shown on separate reporting lines. The filing is signed on 09/17/2025 and includes an explicit statement that the disposals were made solely to satisfy tax withholding obligations and were not discretionary sales.

Christian Mulvihill, identificato come Chief Financial Officer di Greenidge Generation Holdings Inc., ha riportato due vendite non discrezionali il 16/09/2025 per coprire le ritenute fiscali legate alvesting delle unità azionarie riassegnate (RSU). Il Form 4 mostra vendite ai prezzi di $1,47 e $1,46. A seguito delle operazioni indicate, la persona che segnala deteneva in modo beneficiario 98.640 e 98.018 azioni, rispettivamente, come riportato su righe separate. La dichiarazione è firmata il 17/09/2025 e comprende una dichiarazione esplicita che le disposizioni sono state effettuate esclusivamente per soddisfare le obbligazioni di ritenuta fiscale e non costituivano vendite discrezionali.

Christian Mulvihill, identificado como Director Financiero (CFO) de Greenidge Generation Holdings Inc., reportó dos ventas no discrecionales el 16/09/2025 para cubrir las retenciones de impuestos relacionadas con la consolidación de unidades de acciones restringidas (RSU). El Form 4 muestra ventas a precios de $1,47 y $1,46. Tras las transacciones reportadas, la persona reportante poseía en forma beneficiosa 98.640 y 98.018 acciones, respectivamente, según líneas de reporte separadas. La presentación se firma el 17/09/2025 e incluye una declaración explícita de que las disposiciones se realizaron únicamente para satisfacer las obligaciones de retención de impuestos y no fueron ventas discrecionales.

Christian Mulvihill은 Greenidge Generation Holdings Inc.의 최고재무책임자(CFO)로 확인되었으며, 주식 매입대가 실현 비용에 관련된 세금 원천징수를 충당하기 위해 2025-09-16에 비재량적 매도를 두 건 보고했습니다. Form 4에는 매도가 각각 $1.47$1.46의 가격으로 기록되어 있습니다. 보고된 거래 후, 보고인은 각각 98,640주와 98,018주를 실질적으로 보유하게 되었으며, 이는 별도 보고 표시 줄에 명시되어 있습니다. 서류는 2025-09-17에 서명되었고, 처분은 세금 원천징수 의무를 충족하기 위해서였으며 재량적 매도가 아니었다는 명시적 진술이 포함되어 있습니다.

Christian Mulvihill, identifié comme le directeur financier (CFO) de Greenidge Generation Holdings Inc., a déclaré deux ventes non discrétionnaires le 16/09/2025 pour couvrir les retenues d'impôt liées à l'acquisition de stock pyramides (RSU). Le Form 4 indique des ventes à des prix de $1,47 et $1,46. Suite aux transactions signalées, la personne déclarante détenait bénéficiairement 98 640 et 98 018 actions, respectivement, comme indiqué sur des lignes de reporting séparées. Le fichier est signé le 17/09/2025 et contient une déclaration explicite selon laquelle les cessions ont été réalisées uniquement pour satisfaire les obligations de retenue d'impôt et ne constituaient pas des ventes discrétionnaires.

Christian Mulvihill, identifiziert als Chief Financial Officer von Greenidge Generation Holdings Inc., meldete zwei nicht-diskretionäre Verkäufe am 16.09.2025, um Steuerabzüge im Zusammenhang mit dem Vesting von Restricted Stock Units zu decken. Das Formular 4 zeigt Verkäufe zu Preisen von $1,47 und $1,46. Nach den gemeldeten Transaktionen war die meldende Person wohltuend im Besitz von 98.640 bzw. 98.018 Aktien, jeweils wie in separaten Meldelinien angegeben. Die Einreichung ist am 17.09.2025 unterzeichnet und enthält eine ausdrückliche Erklärung, dass die Abgaben ausschließlich zur Erfüllung der Steuerabzugsverpflichtungen vorgenommen wurden und es sich nicht um diskretionäre Verkäufe handelte.

Christian Mulvihill، المعروف بأنه المدير المالي (CFO) لشركة Greenidge Generation Holdings Inc., قد أبلغ عن تداولين غير حرين بالتحديد في 16/09/2025 لتغطية اقتطاعات الضرائب المتعلقة بإسناد وحدات الأسهم المقيدة. يظهر النموذج 4 عمليات بيع بسعرين قدرهما $1.47 و $1.46. بعد المعاملات المذكورة، امتلك المبلغ المبلَّغ عنه فعلياً 98,640 و98,018 أسهم، على التوالي، كما هو موضح في خطوط الإبلاغ المنفصلة. تم توقيع الملف في 17/09/2025 ويشمل بياناً صريحاً بأن التصرفات تمت فقط للوفاء بالتزامات الاحتجاز الضريبي وليست مبيعات تقديرية.

Christian Mulvihill,被确认为 Greenidge Generation Holdings Inc. 的首席财务官(CFO),于 2025-09-16 报告了两笔非自由裁量的出售,以覆盖与归属受限股票单位相关的税费扣缴。Form 4 显示以 $1.47$1.46 的价格进行出售。在所述交易之后,申报人实益持有 98,640 股和 98,018 股,分别在单独的申报行中列出。 filing 于 2025-09-17 签署,并包含明确声明,处置仅为满足税款扣缴义务而进行,并非自由裁量的销售。

Positive
  • Clear disclosure that the sales were to satisfy tax withholding for vested restricted stock units
  • Form signed and filed promptly (dated 09/17/2025) indicating compliance with Section 16 reporting
Negative
  • None.

Insights

TL;DR: Routine insider share sales to cover RSU tax withholding; no indication of discretionary selling or change to ownership control.

The Form 4 documents two small sales by the CFO on 09/16/2025 at $1.47 and $1.46 per share explicitly to satisfy tax withholding for vested restricted stock units. The filing lists the post-transaction beneficial ownership figures of 98,640 and 98,018 shares on separate lines, consistent with withholding settlements rather than open-market disposals. This activity is administrative and does not, based on the filing, signal a shift in executive stake or control.

TL;DR: Disclosure aligns with Section 16 reporting requirements and clarifies the non-discretionary nature of the transactions.

The Form 4 is properly executed and signed, shows the reporting person as an officer (Chief Financial Officer), and provides an explanatory remark that the sales were to cover tax withholding for RSU vesting. From a governance and compliance perspective, this is routine Section 16 reporting that documents compensation-related share settlements and preserves transparency for investors and regulators.

Christian Mulvihill, identificato come Chief Financial Officer di Greenidge Generation Holdings Inc., ha riportato due vendite non discrezionali il 16/09/2025 per coprire le ritenute fiscali legate alvesting delle unità azionarie riassegnate (RSU). Il Form 4 mostra vendite ai prezzi di $1,47 e $1,46. A seguito delle operazioni indicate, la persona che segnala deteneva in modo beneficiario 98.640 e 98.018 azioni, rispettivamente, come riportato su righe separate. La dichiarazione è firmata il 17/09/2025 e comprende una dichiarazione esplicita che le disposizioni sono state effettuate esclusivamente per soddisfare le obbligazioni di ritenuta fiscale e non costituivano vendite discrezionali.

Christian Mulvihill, identificado como Director Financiero (CFO) de Greenidge Generation Holdings Inc., reportó dos ventas no discrecionales el 16/09/2025 para cubrir las retenciones de impuestos relacionadas con la consolidación de unidades de acciones restringidas (RSU). El Form 4 muestra ventas a precios de $1,47 y $1,46. Tras las transacciones reportadas, la persona reportante poseía en forma beneficiosa 98.640 y 98.018 acciones, respectivamente, según líneas de reporte separadas. La presentación se firma el 17/09/2025 e incluye una declaración explícita de que las disposiciones se realizaron únicamente para satisfacer las obligaciones de retención de impuestos y no fueron ventas discrecionales.

Christian Mulvihill은 Greenidge Generation Holdings Inc.의 최고재무책임자(CFO)로 확인되었으며, 주식 매입대가 실현 비용에 관련된 세금 원천징수를 충당하기 위해 2025-09-16에 비재량적 매도를 두 건 보고했습니다. Form 4에는 매도가 각각 $1.47$1.46의 가격으로 기록되어 있습니다. 보고된 거래 후, 보고인은 각각 98,640주와 98,018주를 실질적으로 보유하게 되었으며, 이는 별도 보고 표시 줄에 명시되어 있습니다. 서류는 2025-09-17에 서명되었고, 처분은 세금 원천징수 의무를 충족하기 위해서였으며 재량적 매도가 아니었다는 명시적 진술이 포함되어 있습니다.

Christian Mulvihill, identifié comme le directeur financier (CFO) de Greenidge Generation Holdings Inc., a déclaré deux ventes non discrétionnaires le 16/09/2025 pour couvrir les retenues d'impôt liées à l'acquisition de stock pyramides (RSU). Le Form 4 indique des ventes à des prix de $1,47 et $1,46. Suite aux transactions signalées, la personne déclarante détenait bénéficiairement 98 640 et 98 018 actions, respectivement, comme indiqué sur des lignes de reporting séparées. Le fichier est signé le 17/09/2025 et contient une déclaration explicite selon laquelle les cessions ont été réalisées uniquement pour satisfaire les obligations de retenue d'impôt et ne constituaient pas des ventes discrétionnaires.

Christian Mulvihill, identifiziert als Chief Financial Officer von Greenidge Generation Holdings Inc., meldete zwei nicht-diskretionäre Verkäufe am 16.09.2025, um Steuerabzüge im Zusammenhang mit dem Vesting von Restricted Stock Units zu decken. Das Formular 4 zeigt Verkäufe zu Preisen von $1,47 und $1,46. Nach den gemeldeten Transaktionen war die meldende Person wohltuend im Besitz von 98.640 bzw. 98.018 Aktien, jeweils wie in separaten Meldelinien angegeben. Die Einreichung ist am 17.09.2025 unterzeichnet und enthält eine ausdrückliche Erklärung, dass die Abgaben ausschließlich zur Erfüllung der Steuerabzugsverpflichtungen vorgenommen wurden und es sich nicht um diskretionäre Verkäufe handelte.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Mulvihill Christian

(Last) (First) (Middle)
C/O GREENIDGE GENERATION HOLDINGS INC.
1159 PITTSFORD-VICTOR ROAD, SUITE 240

(Street)
PITTSFORD NY 14534

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Greenidge Generation Holdings Inc. [ GREE ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Financial Officer
3. Date of Earliest Transaction (Month/Day/Year)
09/16/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock 09/16/2025(1) S 5 D $1.47 98,640 D
Class A Common Stock 09/16/2025(1) S 622 D $1.46 98,018 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. 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.
Remarks:
/s/ Christian Mulvihill 09/17/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Greenidge (GREEL) insider Christian Mulvihill report on Form 4?

He reported two sales of Class A common stock on 09/16/2025 to cover tax withholding related to vested restricted stock units.

How many shares did the reporting person own after the reported transactions?

Beneficial ownership reported as 98,640 shares and 98,018 shares on the respective reporting lines following the transactions.

At what prices were the shares sold in the Form 4?

Sales were reported at $1.47 and $1.46 per share.

Why were the shares sold according to the filing?

The filing states the shares were sold to cover tax withholding obligations from RSU vesting and were not discretionary sales.

When was the Form 4 signed?

The Form 4 was signed by Christian Mulvihill on 09/17/2025.
Greenidge Generation Holdings Inc

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