United States

Greenidge Generation Holdings Inc (GREE)

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Greenidge Generation Holdings Inc. experienced three notable insider trading transactions recently, all involving sales by top executives. The CEO, President, and CFO collectively offloaded shares valued at approximately $175,452. These divestments occurred amid a 67.2% stock price increase over the last quarter, following a positive earnings report where the firm exceeded expectations.
Ticker: GREE Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Greenidge Generation Holdings Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
381.75
Quantity 73,018 +8.2%
Value US$3,342,118
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Sale
Price
42.54
Quantity 7,557 +14.4%
Value US$2,183,685
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
169.10
Quantity 4,621 +19.1%
Value US$1,259,608
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.28
Quantity 1,953 -2.0%
Value US$2,500
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
1.28
Quantity 1,979 -1.9%
Value US$2,533
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.28
Quantity 1,953 -2.0%
Value US$2,500
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.25
Quantity 5 -0.0%
Value US$6
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
1.28
Quantity 1,979 -1.9%
Value US$2,533
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
1.26
Quantity 6 -0.0%
Value US$8
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
2.07
Quantity 609 -0.6%
Value US$1,261
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.46
Quantity 622 -0.6%
Value US$908
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.47
Quantity 5 -0.0%
Value US$7
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.36
Quantity 615 -0.6%
Value US$836
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.50
Quantity 1,696 -1.7%
Value US$2,544
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
1.50
Quantity 1,727 -1.6%
Value US$2,590
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.88
Quantity 611 -0.6%
Value US$1,149
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.45
Quantity 613 -0.6%
Value US$889
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.47
Quantity 14 -0.0%
Value US$21
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.56
Quantity 5,000 +3.4%
Value US$7,800
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
1.30
Quantity 4,681 -4.2%
Value US$6,085
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.30
Quantity 4,596 -4.3%
Value US$5,975
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Sale
Price
1.30
Quantity 3,133 -2.1%
Value US$4,073
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.30
Quantity 5,000 +3.4%
Value US$6,500
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Purchase
Price
1.35
Quantity 10,000 +10.3%
Value US$13,498
3.4
Krug Christopher J. Non-Executive Director
Transaction date
Purchase
Price
1.32
Quantity 125,000 +100.0%
Value US$164,638
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.11
Quantity 10,000 +7.4%
Value US$11,100
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.12
Quantity 618 -0.7%
Value US$692
3.4
Krug Christopher J. Non-Executive Director
Transaction date
Purchase
Price
0.83
Quantity 55,000 +24.8%
Value US$45,760
3.4
Krug Christopher J. Non-Executive Director
Transaction date
Purchase
Price
0.83
Quantity 70,000 +46.2%
Value US$58,156
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
0.65
Quantity 618 -0.7%
Value US$402
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
0.81
Quantity 22,297 -18.4%
Value US$18,061
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
0.81
Quantity 100 -0.1%
Value US$81
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
0.80
Quantity 13 -0.0%
Value US$10
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
0.80
Quantity 1,144 -0.9%
Value US$915
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Sale
Price
0.80
Quantity 9,000 -6.8%
Value US$7,200
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Sale
Price
0.85
Quantity 1,682 -1.3%
Value US$1,430
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Sale
Price
0.80
Quantity 9,100 -6.4%
Value US$7,280
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Sale
Price
0.80
Quantity 9,113 -6.0%
Value US$7,290
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
0.80
Quantity 1,408 -1.6%
Value US$1,126
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
0.80
Quantity 22,945 -20.9%
Value US$18,356
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
0.77
Quantity 738 -1.3%
Value US$568
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.08
Quantity 282 -0.5%
Value US$305
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.07
Quantity 3 -0.0%
Value US$3
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.08
Quantity 425 -0.8%
Value US$459
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
1.29
Quantity 2,076 -3.0%
Value US$2,677
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.29
Quantity 1,947 -3.4%
Value US$2,513
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
1.63
Quantity 723 -1.2%
Value US$1,178
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.76
Quantity 5,000 +9.0%
Value US$8,800
2.5
Mulvihill Christian Chief Financial Officer Officer
Transaction date
Sale
Price
2.20
Quantity 595 -1.0%
Value US$1,309
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.72
Quantity 1,000 +1.5%
Value US$1,719
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
1.72
Quantity 4,000 +6.3%
Value US$6,879
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
2.81
Quantity 8,777 -11.0%
Value US$24,639
3.3
Irwin Dale Officer Officer
Transaction date
Proposed sale
Price
2.81
Quantity 8,777
Value US$24,638
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
2.55
Quantity 25,000 -23.9%
Value US$63,798
3.3
Irwin Dale President Officer
Transaction date
Sale
Price
4.18
Quantity 5,646 -5.1%
Value US$23,600
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
3.87
Quantity 2,000 +20.0%
Value US$7,740
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
4.08
Quantity 690 +7.4%
Value US$2,815
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
4.07
Quantity 810 +9.5%
Value US$3,297
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
3.27
Quantity 500 +6.2%
Value US$1,635
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
3.29
Quantity 2,550 +46.8%
Value US$8,390
2.1
Kovler Jordan Chief Executive Officer Executive Director
Transaction date
Purchase
Price
5.21
Quantity 5,000 +1111.1%
Value US$26,050
1.6
NEUSCHELER MICHAEL P Non-Executive Director
Transaction date
Sale
Price
0.42
Quantity 6,504 -14.9%
Value US$2,732
1.6
Rothaupt Daniel Non-Executive Director
Transaction date
Sale
Price
0.42
Quantity 3,470 -14.5%
Value US$1,457
0.5
Atlas Capital Resources GP LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.84
Quantity 1,190,476 +inf%
Value US$1,000,000
3.3
Loughran Robert Chief Financial Officer Officer
Transaction date
Sale
Price
0.75
Quantity 1,543 -10.3%
Value US$1,157
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-24 2026-07-24 S Sale
3.3
Irwin Dale

President

Officer
73,018 +8.2%
381.75
US$3,342,118 		73,018 +8.2% 381.75 US$3,342,118
2026-07-24 2026-07-24 S Sale
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
7,557 +14.4%
42.54
US$2,183,685 		7,557 +14.4% 42.54 US$2,183,685
2026-07-24 2026-07-24 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
4,621 +19.1%
169.10
US$1,259,608 		4,621 +19.1% 169.10 US$1,259,608
2026-02-04 2026-02-02 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
1,953 -2.0%
1.28
US$2,500 		1,953 -2.0% 1.28 US$2,500
2026-02-04 2026-02-02 S Sale
3.3
Irwin Dale

President

Officer
1,979 -1.9%
1.28
US$2,533 		1,979 -1.9% 1.28 US$2,533
2026-02-04 2026-02-02 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
1,953 -2.0%
1.28
US$2,500 		1,953 -2.0% 1.28 US$2,500
2026-02-04 2026-02-02 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
5 -0.0%
1.25
US$6 		5 -0.0% 1.25 US$6
2026-02-04 2026-02-02 S Sale
3.3
Irwin Dale

President

Officer
1,979 -1.9%
1.28
US$2,533 		1,979 -1.9% 1.28 US$2,533
2026-02-04 2026-02-02 S Sale
3.3
Irwin Dale

President

Officer
6 -0.0%
1.26
US$8 		6 -0.0% 1.26 US$8
2025-10-15 2025-10-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
609 -0.6%
2.07
US$1,261 		609 -0.6% 2.07 US$1,261
2025-09-17 2025-09-16 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
622 -0.6%
1.46
US$908 		622 -0.6% 1.46 US$908
2025-09-17 2025-09-16 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
5 -0.0%
1.47
US$7 		5 -0.0% 1.47 US$7
2025-08-13 2025-08-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
615 -0.6%
1.36
US$836 		615 -0.6% 1.36 US$836
2025-08-06 2025-08-04 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
1,696 -1.7%
1.50
US$2,544 		1,696 -1.7% 1.50 US$2,544
2025-08-06 2025-08-04 S Sale
3.3
Irwin Dale

President

Officer
1,727 -1.6%
1.50
US$2,590 		1,727 -1.6% 1.50 US$2,590
2025-07-16 2025-07-14 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
611 -0.6%
1.88
US$1,149 		611 -0.6% 1.88 US$1,149
2025-06-13 2025-06-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
613 -0.6%
1.45
US$889 		613 -0.6% 1.45 US$889
2025-06-13 2025-06-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
14 -0.0%
1.47
US$21 		14 -0.0% 1.47 US$21
2025-05-23 2025-05-23 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
5,000 +3.4%
1.56
US$7,800 		5,000 +3.4% 1.56 US$7,800
2025-05-23 2025-05-21 S Sale
3.3
Irwin Dale

President

Officer
4,681 -4.2%
1.30
US$6,085 		4,681 -4.2% 1.30 US$6,085
2025-05-23 2025-05-21 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
4,596 -4.3%
1.30
US$5,975 		4,596 -4.3% 1.30 US$5,975
2025-05-23 2025-05-21 S Sale
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
3,133 -2.1%
1.30
US$4,073 		3,133 -2.1% 1.30 US$4,073
2025-05-20 2025-05-20 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
5,000 +3.4%
1.30
US$6,500 		5,000 +3.4% 1.30 US$6,500
2025-05-20 2025-05-20 B Purchase
2.5
Mulvihill Christian

Chief Financial Officer

Officer
10,000 +10.3%
1.35
US$13,498 		10,000 +10.3% 1.35 US$13,498
2025-05-20 2025-05-20 B Purchase
3.4
Krug Christopher J.
Non-Executive Director
125,000 +100.0%
1.32
US$164,638 		125,000 +100.0% 1.32 US$164,638
2025-05-20 2025-05-19 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
10,000 +7.4%
1.11
US$11,100 		10,000 +7.4% 1.11 US$11,100
2025-05-15 2025-05-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
618 -0.7%
1.12
US$692 		618 -0.7% 1.12 US$692
2025-04-25 2025-04-24 B Purchase
3.4
Krug Christopher J.
Non-Executive Director
55,000 +24.8%
0.83
US$45,760 		55,000 +24.8% 0.83 US$45,760
2025-04-25 2025-04-23 B Purchase
3.4
Krug Christopher J.
Non-Executive Director
70,000 +46.2%
0.83
US$58,156 		70,000 +46.2% 0.83 US$58,156
2025-04-15 2025-04-14 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
618 -0.7%
0.65
US$402 		618 -0.7% 0.65 US$402
2025-03-28 2025-03-28 S Sale
3.3
Irwin Dale

President

Officer
22,297 -18.4%
0.81
US$18,061 		22,297 -18.4% 0.81 US$18,061
2025-03-28 2025-03-28 S Sale
3.3
Irwin Dale

President

Officer
100 -0.1%
0.81
US$81 		100 -0.1% 0.81 US$81
2025-03-28 2025-03-28 S Sale
3.3
Irwin Dale

President

Officer
13 -0.0%
0.80
US$10 		13 -0.0% 0.80 US$10
2025-03-28 2025-03-28 S Sale
3.3
Irwin Dale

President

Officer
1,144 -0.9%
0.80
US$915 		1,144 -0.9% 0.80 US$915
2025-03-28 2025-03-27 S Sale
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
9,000 -6.8%
0.80
US$7,200 		9,000 -6.8% 0.80 US$7,200
2025-03-28 2025-03-27 S Sale
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
1,682 -1.3%
0.85
US$1,430 		1,682 -1.3% 0.85 US$1,430
2025-03-28 2025-03-27 S Sale
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
9,100 -6.4%
0.80
US$7,280 		9,100 -6.4% 0.80 US$7,280
2025-03-28 2025-03-27 S Sale
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
9,113 -6.0%
0.80
US$7,290 		9,113 -6.0% 0.80 US$7,290
2025-03-28 2025-03-27 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
1,408 -1.6%
0.80
US$1,126 		1,408 -1.6% 0.80 US$1,126
2025-03-28 2025-03-27 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
22,945 -20.9%
0.80
US$18,356 		22,945 -20.9% 0.80 US$18,356
2025-03-18 2025-03-14 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
738 -1.3%
0.77
US$568 		738 -1.3% 0.77 US$568
2025-02-13 2025-02-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
282 -0.5%
1.08
US$305 		282 -0.5% 1.08 US$305
2025-02-13 2025-02-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
3 -0.0%
1.07
US$3 		3 -0.0% 1.07 US$3
2025-02-13 2025-02-13 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
425 -0.8%
1.08
US$459 		425 -0.8% 1.08 US$459
2025-02-04 2025-02-03 S Sale
3.3
Irwin Dale

President

Officer
2,076 -3.0%
1.29
US$2,677 		2,076 -3.0% 1.29 US$2,677
2025-02-04 2025-02-03 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
1,947 -3.4%
1.29
US$2,513 		1,947 -3.4% 1.29 US$2,513
2025-01-16 2025-01-14 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
723 -1.2%
1.63
US$1,178 		723 -1.2% 1.63 US$1,178
2024-12-23 2024-12-23 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
5,000 +9.0%
1.76
US$8,800 		5,000 +9.0% 1.76 US$8,800
2024-12-17 2024-12-17 S Sale
2.5
Mulvihill Christian

Chief Financial Officer

Officer
595 -1.0%
2.20
US$1,309 		595 -1.0% 2.20 US$1,309
2024-09-06 2024-09-06 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
1,000 +1.5%
1.72
US$1,719 		1,000 +1.5% 1.72 US$1,719
2024-09-06 2024-09-06 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
4,000 +6.3%
1.72
US$6,879 		4,000 +6.3% 1.72 US$6,879
2024-05-29 2024-05-28 S Sale
3.3
Irwin Dale

President

Officer
8,777 -11.0%
2.81
US$24,639 		8,777 -11.0% 2.81 US$24,639
2024-05-28 2024-05-28 PrS Proposed sale
3.3
Irwin Dale

Officer

Officer
8,777
2.81
US$24,638 		8,777 2.81 US$24,638
2024-05-23 2024-05-20 S Sale
3.3
Irwin Dale

President

Officer
25,000 -23.9%
2.55
US$63,798 		25,000 -23.9% 2.55 US$63,798
2024-03-01 2024-02-28 S Sale
3.3
Irwin Dale

President

Officer
5,646 -5.1%
4.18
US$23,600 		5,646 -5.1% 4.18 US$23,600
2024-02-21 2024-02-20 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
2,000 +20.0%
3.87
US$7,740 		2,000 +20.0% 3.87 US$7,740
2024-02-21 2024-02-16 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
690 +7.4%
4.08
US$2,815 		690 +7.4% 4.08 US$2,815
2024-02-21 2024-02-16 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
810 +9.5%
4.07
US$3,297 		810 +9.5% 4.07 US$3,297
2024-02-07 2024-02-05 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
500 +6.2%
3.27
US$1,635 		500 +6.2% 3.27 US$1,635
2024-02-07 2024-02-05 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
2,550 +46.8%
3.29
US$8,390 		2,550 +46.8% 3.29 US$8,390
2023-11-20 2023-11-16 B Purchase
2.1
Kovler Jordan

Chief Executive Officer

Executive Director
5,000 +1111.1%
5.21
US$26,050 		5,000 +1111.1% 5.21 US$26,050
2023-03-13 2023-03-09 S Sale
1.6
NEUSCHELER MICHAEL P
Non-Executive Director
6,504 -14.9%
0.42
US$2,732 		6,504 -14.9% 0.42 US$2,732
2023-03-13 2023-03-09 S Sale
1.6
Rothaupt Daniel
Non-Executive Director
3,470 -14.5%
0.42
US$1,457 		3,470 -14.5% 0.42 US$1,457
2023-02-02 2023-01-31 B Purchase
0.5
Atlas Capital Resources GP LLC
Non-Executive Director Large shareholder
1,190,476 +inf%
0.84
US$1,000,000 		1,190,476 +inf% 0.84 US$1,000,000
2023-03-06 2022-11-15 S Sale
3.3
Loughran Robert

Chief Financial Officer

Officer
1,543 -10.3%
0.75
US$1,157 		1,543 -10.3% 0.75 US$1,157
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