Insider Transactions Reported by 20 Insiders of Greenidge Generation Holdings Inc.

Symbol
GREE, GREEL on Nasdaq
Location
Pittsford, NY

Insiders trading volume in the past year

Greenidge Generation Holdings Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Atlas Capital Resources GP LLC Director, 10%+ Owner $8,150,013 08 Jan 2026
Jeffrey E. Kirt Chief Executive Officer (CEO), Director $1,536,940 28 Dec 2021
George Ted Rogers III Director $898,204 13 Sep 2021
Christopher J. Krug Director $877,901 +$268,554 +44% 09 Nov 2025
Kenneth H. Fearn Jr. Director $360,401 09 Nov 2025
Jordan Kovler Chief Executive Officer, Director $295,158 -$1,874 -0.63% 04 Mar 2026
Dale Irwin President $217,037 -$30,284 -12% 04 Mar 2026
Christian Mulvihill Chief Financial Officer $195,551 -$23,174 -11% 04 Mar 2026
Michael P. Neuscheler Director $193,359 09 Mar 2023
Charles M. Zeynel Director $172,830 09 Nov 2025
Timothy Lowe Director $125,040 13 Sep 2021
Daniel Rothaupt Director $106,961 09 Mar 2023
Robert Loughran Chief Financial Officer $70,111 15 Nov 2022
Terence A. Burke General Counsel $21,283 04 Jan 2022
Scott J. MacKenzie Chief Strategy Officer 10 Oct 2022
David Filippelli Director 13 Sep 2021
Jerome Lay Director 13 Sep 2021
Timothy Rainey Chief Financial Officer (CFO) 13 Sep 2021
210 Capital, LLC Other* 14 Sep 2021
David Carl Anderson Chief Executive Officer (CEO), Director 10 Oct 2022

Recent Insider Transactions by Companies or Individuals for Greenidge Generation Holdings Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Dale Irwin GREE Class A Common Stock Tax liability -18.6% -39,655 173,630 11 Mar 2026 Direct
Jordan Kovler GREE Class A Common Stock Tax liability -10.2% -26,785 236,127 11 Mar 2026 Direct
Christian Mulvihill GREE Class A Common Stock Tax liability -17.9% -34,010 156,441 11 Mar 2026 Direct
Dale Irwin GREE Class A Common Stock Award 106.5% 110,000 213,285 04 Mar 2026 Direct
Jordan Kovler GREE Class A Common Stock Award 71.9% 110,000 262,912 04 Mar 2026 Direct
Christian Mulvihill GREE Class A Common Stock Award 99.5% 95,000 190,451 04 Mar 2026 Direct
Christian Mulvihill GREE Class A Common Stock Sale -2.01% $2,506 $1.28 -1,958 95,451 02 Feb 2026 Direct
Dale Irwin GREE Class A Common Stock Sale -1.89% $2,541 $1.28 -1,985 103,285 02 Feb 2026 Direct
Atlas Capital Resources GP LLC GREE Class A Common Stock, par value $0.0001 per share Other 2.05% 79,320 3,956,317 08 Jan 2026 See footnotes
Charles M. Zeynel GREE Class A Common Stock Award 21.9% 15,000 83,493 09 Nov 2025 Direct
Kenneth H. Fearn Jr. GREE Class A Common Stock Award 14.8% 22,500 174,107 09 Nov 2025 Direct
Christopher J. Krug GREE Class A Common Stock Award 14.8% 22,500 174,107 09 Nov 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -0.62% $1,261 $2.07 -609 97,409 13 Oct 2025 Direct
Atlas Capital Resources GP LLC GREE Class A Common Stock, par value $0.0001 per share Other 2.71% 102,286 3,876,997 09 Oct 2025 See footnotes
Christian Mulvihill GREE Class A Common Stock Sale -0.64% $915 $1.46 -627 98,018 16 Sep 2025 Direct
Charles M. Zeynel GREE Class A Common Stock Award 68,493 68,493 18 Aug 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -0.62% $836 $1.36 -615 98,645 13 Aug 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -1.68% $2,544 $1.50 -1,696 99,260 04 Aug 2025 Direct
Dale Irwin GREE Class A Common Stock Sale -1.61% $2,590 $1.50 -1,727 105,270 04 Aug 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -0.6% $1,149 $1.88 -611 100,956 14 Jul 2025 Direct
Atlas Capital Resources GP LLC GREE Class A Common Stock, par value $0.0001 per share Other 3.62% 131,937 3,774,711 02 Jul 2025 See footnotes
Christian Mulvihill GREE Class A Common Stock Sale -0.61% $909 $1.45 -627 101,567 13 Jun 2025 Direct
Jordan Kovler GREE Class A Common Stock Purchase 3.38% $7,800 $1.56 5,000 152,912 23 May 2025 Direct
Jordan Kovler GREE Class A Common Stock Sale -2.07% $4,073 $1.30 -3,133 147,912 21 May 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -4.3% $5,975 $1.30 -4,596 102,194 21 May 2025 Direct
Dale Irwin GREE Class A Common Stock Sale -4.18% $6,085 $1.30 -4,681 107,174 21 May 2025 Direct
Christopher J. Krug GREE Class A Common Stock Purchase 100% $164,638 $1.32 125,000 250,000 20 May 2025 CHC Fund Partners I LP
Jordan Kovler GREE Class A Common Stock Purchase 3.42% $6,500 $1.30 5,000 151,045 20 May 2025 Direct
Christian Mulvihill GREE Class A Common Stock Purchase 10.3% $13,498 $1.35 10,000 106,790 20 May 2025 Direct
Jordan Kovler GREE Class A Common Stock Purchase 7.35% $11,100 $1.11 10,000 146,045 19 May 2025 Direct
Jordan Kovler GREE Class A Common Stock Award 10.3% 12,737 136,045 19 May 2025 Direct
Christian Mulvihill GREE Class A Common Stock Award 15.2% 12,737 96,790 19 May 2025 Direct
Dale Irwin GREE Class A Common Stock Award 12.8% 12,737 111,855 19 May 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -0.73% $692 $1.12 -618 84,053 13 May 2025 Direct
Christopher J. Krug GREE Class A Common Stock Purchase 78.6% $45,760 $0.8320 55,000 125,000 24 Apr 2025 CHC Fund Partners I LP
Christopher J. Krug GREE Class A Common Stock Purchase $58,156 $0.8308 70,000 70,000 23 Apr 2025 CHC Fund Partners I LP
Christopher J. Krug GREE Class A Common Stock Award 151,607 151,607 17 Apr 2025 Direct
Kenneth H. Fearn Jr. GREE Class A Common Stock Award 151,607 151,607 17 Apr 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -0.72% $402 $0.6500 -618 84,671 14 Apr 2025 Direct
Atlas Capital Resources GP LLC GREE Class A Common Stock, par value $0.0001 per share Other 2.56% 90,954 3,642,774 08 Apr 2025 See footnotes
Dale Irwin GREE Class A Common Stock Sale -19.2% $19,067 $0.8095 -23,554 99,118 28 Mar 2025 Direct
Dale Irwin GREE Class A Common Stock Award 82.7% 55,515 122,672 27 Mar 2025 Direct
Christian Mulvihill GREE Class A Common Stock Sale -22.2% $19,482 $0.8000 -24,353 85,289 27 Mar 2025 Direct
Jordan Kovler GREE Class A Common Stock Sale -19% $23,200 $0.8029 -28,895 123,308 27 Mar 2025 Direct
Christian Mulvihill GREE Class A Common Stock Award 102.6% 55,515 109,642 26 Mar 2025 Direct
Jordan Kovler GREE Class A Common Stock Award 152.4% 91,912 152,203 26 Mar 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.