In the last 12 months, insiders at Greenidge Generation Holdings Inc. ($GREE) filed 93 transactions with the SEC: 17 open-market purchases totaling $452,642 and 40 sales totaling $219,577. Net insider sentiment: net buying.
Greenidge Generation Holdings Inc. operates in the Finance services industry (Finance or office of crypto assets sector).
Most Active Insiders
- Atlas Capital Resources GP LLC (Not found) — 5 transactions totaling $1,980,525
- Krug Christopher J. (Director) — 7 transactions totaling $372,470
- Mulvihill Christian (Chief Financial Officer) — 33 transactions totaling $296,013
- Irwin Dale (President) — 21 transactions totaling $204,044
- Kovler Jordan (Chief Executive Officer) — 23 transactions totaling $160,528
View all SEC Filings for Greenidge Generation Holdings Inc. (GREE).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 11, 2026 | Irwin Dale | President | F | Class A Common Stock | 39655 | $1.38 | 173,630.0000 | 15,891,000 | 18.59% | 0.25% |
| March 4, 2026 | Kovler Jordan | Chief Executive Officer | A | Class A Common Stock | 110000 | $0.00 | 262,912.0000 | 15,891,000 | 71.94% | 0.69% |
| March 11, 2026 | Kovler Jordan | Chief Executive Officer | F | Class A Common Stock | 26785 | $1.38 | 236,127.0000 | 15,891,000 | 10.19% | 0.17% |
| March 4, 2026 | Mulvihill Christian | Chief Financial Officer | A | Class A Common Stock | 95000 | $0.00 | 190,451.0000 | 15,891,000 | 99.53% | 0.60% |
| March 11, 2026 | Mulvihill Christian | Chief Financial Officer | F | Class A Common Stock | 34010 | $1.38 | 156,441.0000 | 15,891,000 | 17.86% | 0.21% |
| March 4, 2026 | Irwin Dale | President | A | Class A Common Stock | 110000 | $0.00 | 213,285.0000 | 15,891,000 | 106.50% | 0.69% |
| Feb. 2, 2026 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 5 | $1.25 | 97,404.0000 | 15,891,000 | 0.01% | 0.00% |
| Feb. 2, 2026 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 1953 | $1.28 | 95,451.0000 | 15,891,000 | 2.01% | 0.01% |
| Feb. 2, 2026 | Irwin Dale | President | S | Class A Common Stock | 6 | $1.26 | 105,264.0000 | 15,891,000 | 0.01% | 0.00% |
| Feb. 2, 2026 | Irwin Dale | President | S | Class A Common Stock | 1979 | $1.28 | 103,285.0000 | 15,891,000 | 1.88% | 0.01% |
| Jan. 8, 2026 | Atlas Capital Resources GP LLC | Not found | J | Class A Common Stock, par value $0.0001 per share | 79320 | $2.06 | 3,956,317.0000 | 15,891,000 | 2.05% | 0.50% |
| Nov. 9, 2025 | Zeynel Charles M. | Director | A | Class A Common Stock | 15000 | $0.00 | 83,493.0000 | 15,891,000 | 21.90% | 0.09% |
| Nov. 9, 2025 | Krug Christopher J. | Director | A | Class A Common Stock | 22500 | $0.00 | 424,107.0000 | 15,891,000 | 5.60% | 0.14% |
| Nov. 9, 2025 | Fearn Kenneth Hopkins Jr. | Director | A | Class A Common Stock | 22500 | $0.00 | 174,107.0000 | 15,891,000 | 14.84% | 0.14% |
| Oct. 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 609 | $2.07 | 97,409.0000 | 15,891,000 | 0.62% | 0.00% |
| Oct. 9, 2025 | Atlas Capital Resources GP LLC | Not found | J | Class A Common Stock, par value $0.0001 per share | 102286 | $1.62 | 3,876,997.0000 | 15,891,000 | 2.71% | 0.64% |
| Sept. 16, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 5 | $1.47 | 98,640.0000 | 10,504,000 | 0.01% | 0.00% |
| Sept. 16, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 622 | $1.46 | 98,018.0000 | 10,504,000 | 0.63% | 0.01% |
| Aug. 18, 2025 | Zeynel Charles M. | Director | A | Class A Common Stock | 68493 | $0.00 | 68,493.0000 | 10,504,000 | 9999.99% | 0.65% |
| Aug. 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 615 | $1.36 | 98,645.0000 | 10,504,000 | 0.62% | 0.01% |
| Aug. 4, 2025 | Irwin Dale | President | S | Class A Common Stock | 1727 | $1.50 | 105,270.0000 | 10,504,000 | 1.61% | 0.02% |
| Aug. 4, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 1696 | $1.50 | 99,260.0000 | 10,504,000 | 1.68% | 0.02% |
| July 14, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 611 | $1.88 | 100,956.0000 | 10,504,000 | 0.60% | 0.01% |
| July 2, 2025 | Atlas Capital Resources GP LLC | Not found | J | Class A Common Stock, par value $0.0001 per share | 131937 | $1.23 | 3,774,711.0000 | 10,504,000 | 3.62% | 1.26% |
| June 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 14 | $1.47 | 102,180.0000 | 10,504,000 | 0.01% | 0.00% |
| June 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 613 | $1.45 | 101,567.0000 | 10,504,000 | 0.60% | 0.01% |
| May 21, 2025 | Irwin Dale | President | S | Class A Common Stock | 4681 | $1.30 | 107,174.0000 | 10,504,000 | 4.18% | 0.04% |
| May 21, 2025 | Kovler Jordan | Chief Executive Officer | S | Class A Common Stock | 3133 | $1.30 | 147,912.0000 | 10,504,000 | 2.07% | 0.03% |
| May 23, 2025 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 5000 | $1.56 | 152,912.0000 | 10,504,000 | 3.38% | 0.05% |
| May 21, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 4596 | $1.30 | 102,194.0000 | 10,504,000 | 4.30% | 0.04% |
| May 20, 2025 | Mulvihill Christian | Chief Financial Officer | P | Class A Common Stock | 10000 | $1.35 | 106,790.0000 | 10,504,000 | 10.33% | 0.10% |
| May 19, 2025 | Irwin Dale | President | A | Class A Common Stock | 12737 | $0.00 | 111,855.0000 | 10,504,000 | 12.85% | 0.12% |
| May 20, 2025 | Krug Christopher J. | Director | P | Class A Common Stock | 125000 | $1.32 | 401,607.0000 | 10,504,000 | 45.19% | 1.19% |
| May 19, 2025 | Kovler Jordan | Chief Executive Officer | A | Class A Common Stock | 12737 | $0.00 | 136,045.0000 | 10,504,000 | 10.33% | 0.12% |
| May 19, 2025 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 10000 | $1.11 | 146,045.0000 | 10,504,000 | 7.35% | 0.10% |
| May 20, 2025 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 5000 | $1.30 | 151,045.0000 | 10,504,000 | 3.42% | 0.05% |
| May 19, 2025 | Mulvihill Christian | Chief Financial Officer | A | Class A Common Stock | 12737 | $0.00 | 96,790.0000 | 10,504,000 | 15.15% | 0.12% |
| May 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 618 | $1.12 | 84,053.0000 | 10,504,000 | 0.73% | 0.01% |
| April 24, 2025 | Krug Christopher J. | Director | P | Class A Common Stock | 55000 | $0.83 | 276,607.0000 | 10,504,000 | 24.82% | 0.52% |
| April 24, 2025 | Krug Christopher J. | Director | P | Class A Common Stock | 55000 | $0.83 | 276,607.0000 | 10,504,000 | 24.82% | 0.52% |
| April 23, 2025 | Krug Christopher J. | Director | P | Class A Common Stock | 70000 | $0.83 | 221,607.0000 | 10,504,000 | 46.17% | 0.67% |
| April 23, 2025 | Krug Christopher J. | Director | P | Class A Common Stock | 70000 | $0.83 | 221,607.0000 | 10,504,000 | 46.17% | 0.67% |
| April 17, 2025 | Fearn Kenneth Hopkins Jr. | Director | A | Class A Common Stock | 151607 | $0.00 | 151,607.0000 | 10,504,000 | 9999.99% | 1.44% |
| April 17, 2025 | Krug Christopher J. | Director | A | Class A Common Stock | 151607 | $0.00 | 151,607.0000 | 10,504,000 | 9999.99% | 1.44% |
| April 14, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 618 | $0.65 | 84,671.0000 | 10,504,000 | 0.72% | 0.01% |
| April 8, 2025 | Atlas Capital Resources GP LLC | Not found | J | Class A Common Stock, par value $0.0001 per share | 90954 | $1.31 | 3,642,774.0000 | 10,504,000 | 2.56% | 0.87% |
| March 27, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 22945 | $0.80 | 86,697.0000 | 10,504,000 | 20.93% | 0.22% |
| March 27, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 1408 | $0.80 | 85,289.0000 | 10,504,000 | 1.62% | 0.01% |
| March 26, 2025 | Kovler Jordan | Chief Executive Officer | A | Class A Common Stock | 91912 | $0.00 | 152,203.0000 | 10,504,000 | 152.45% | 0.88% |
| March 27, 2025 | Kovler Jordan | Chief Executive Officer | S | Class A Common Stock | 9113 | $0.80 | 143,090.0000 | 10,504,000 | 5.99% | 0.09% |
| March 27, 2025 | Kovler Jordan | Chief Executive Officer | S | Class A Common Stock | 9100 | $0.80 | 133,990.0000 | 10,504,000 | 6.36% | 0.09% |
| March 27, 2025 | Kovler Jordan | Chief Executive Officer | S | Class A Common Stock | 1682 | $0.85 | 132,308.0000 | 10,504,000 | 1.26% | 0.02% |
| March 27, 2025 | Kovler Jordan | Chief Executive Officer | S | Class A Common Stock | 9000 | $0.80 | 123,308.0000 | 10,504,000 | 6.80% | 0.09% |
| March 26, 2025 | Mulvihill Christian | Chief Financial Officer | A | Class A Common Stock | 55515 | $0.00 | 109,642.0000 | 10,504,000 | 102.56% | 0.53% |
| March 28, 2025 | Irwin Dale | President | S | Class A Common Stock | 22297 | $0.81 | 99,118.0000 | 10,504,000 | 18.36% | 0.21% |
| March 28, 2025 | Irwin Dale | President | S | Class A Common Stock | 100 | $0.81 | 121,415.0000 | 10,504,000 | 0.08% | 0.00% |
| March 28, 2025 | Irwin Dale | President | S | Class A Common Stock | 13 | $0.80 | 121,515.0000 | 10,504,000 | 0.01% | 0.00% |
| March 28, 2025 | Irwin Dale | President | S | Class A Common Stock | 1144 | $0.80 | 121,528.0000 | 10,504,000 | 0.93% | 0.01% |
| March 27, 2025 | Irwin Dale | President | A | Class A Common Stock | 55515 | $0.00 | 122,672.0000 | 10,504,000 | 82.66% | 0.53% |
| March 14, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 738 | $0.77 | 54,127.0000 | 10,504,000 | 1.35% | 0.01% |
| Feb. 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 425 | $1.08 | 55,150.0000 | 10,504,000 | 0.76% | 0.00% |
| Feb. 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 3 | $1.07 | 55,147.0000 | 10,504,000 | 0.01% | 0.00% |
| Feb. 13, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 282 | $1.08 | 54,865.0000 | 10,504,000 | 0.51% | 0.00% |
| Feb. 3, 2025 | Irwin Dale | President | S | Class A Common Stock | 2076 | $1.29 | 67,157.0000 | 10,504,000 | 3.00% | 0.02% |
| Feb. 3, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 1947 | $1.29 | 55,575.0000 | 10,504,000 | 3.38% | 0.02% |
| Jan. 29, 2025 | Atlas Capital Resources GP LLC | Not found | J | Class A Common Stock, par value $0.0001 per share | 752742 | $1.82 | 3,551,820.0000 | 10,504,000 | 26.89% | 7.17% |
| Jan. 14, 2025 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 723 | $1.63 | 57,522.0000 | 10,504,000 | 1.24% | 0.01% |
| Dec. 23, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 5000 | $1.76 | 60,291.0000 | 10,652,000 | 9.04% | 0.05% |
| Dec. 17, 2024 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 595 | $2.20 | 58,245.0000 | 10,652,000 | 1.01% | 0.01% |
| Aug. 2, 2024 | Mulvihill Christian | Chief Financial Officer | S | Class A Common Stock | 1791 | $2.40 | 38,840.0000 | 6,660,000 | 4.41% | 0.03% |
| Dec. 10, 2024 | Kovler Jordan | Chief Executive Officer | F | Class A Common Stock | 12991 | $2.28 | 55,291.0000 | 10,652,000 | 19.03% | 0.12% |
| Nov. 12, 2024 | Mulvihill Christian | Chief Financial Officer | A | Class A Common Stock | 20000 | $0.00 | 58,919.0000 | 10,652,000 | 51.39% | 0.19% |
| Aug. 1, 2024 | Mulvihill Christian | Chief Financial Officer | F | Class A Common Stock | 1712 | $2.50 | 38,919.0000 | 6,660,000 | 4.21% | 0.03% |
| Aug. 1, 2024 | Irwin Dale | President | F | Class A Common Stock | 1729 | $2.50 | 69,233.0000 | 6,660,000 | 2.44% | 0.03% |
| Sept. 6, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 1000 | $1.72 | 68,282.0000 | 6,660,000 | 1.49% | 0.02% |
| Sept. 6, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 4000 | $1.72 | 67,282.0000 | 6,660,000 | 6.32% | 0.06% |
| May 28, 2024 | Irwin Dale | President | S | Class A Common Stock | 8777 | $2.81 | 70,962.0000 | 6,660,000 | 11.01% | 0.13% |
| May 20, 2024 | Irwin Dale | President | S | Class A Common Stock | 25000 | $2.55 | 79,739.0000 | 6,660,000 | 23.87% | 0.38% |
| Nov. 16, 2023 | Kovler Jordan | Chief Executive Officer | A | Non-Qualified Stock Options | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 28, 2024 | Irwin Dale | President | S | Class A Common Stock | 5646 | $4.18 | 104,739.0000 | 6,660,000 | 5.11% | 0.08% |
| Dec. 8, 2023 | Irwin Dale | President | A | Class A Common Stock | 14423 | $0.00 | 91,668.0000 | 0 | 18.67% | 0.00% |
| Feb. 1, 2024 | Mulvihill Christian | Chief Financial Officer | A | Class A Common Stock | 18717 | $0.00 | 40,631.0000 | 6,660,000 | 85.41% | 0.28% |
| Feb. 1, 2024 | Irwin Dale | President | A | Class A Common Stock | 18717 | $0.00 | 110,385.0000 | 6,660,000 | 20.42% | 0.28% |
| Dec. 8, 2023 | Kovler Jordan | Chief Executive Officer | A | Class A Common Stock | 51282 | $0.00 | 63,282.0000 | 0 | 427.35% | 0.00% |
| Jan. 29, 2024 | Irwin Dale | President | M | Class A Common Stock | 77245 | $0.00 | 77,245.0000 | 6,660,000 | 9999.99% | 1.16% |
| Jan. 29, 2024 | Irwin Dale | President | M | Class B Common Stock | 77245 | $0.00 | 0.0000 | 6,660,000 | 100.00% | 1.16% |
| Feb. 20, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 2000 | $3.87 | 12,000.0000 | 6,660,000 | 20.00% | 0.03% |
| Feb. 16, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 690 | $4.08 | 10,000.0000 | 6,660,000 | 7.41% | 0.01% |
| Feb. 16, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 810 | $4.07 | 9,310.0000 | 6,660,000 | 9.53% | 0.01% |
| Feb. 13, 2024 | Mulvihill Christian | Chief Financial Officer | F | Class A Common Stock | 10137 | $4.40 | 21,914.0000 | 6,660,000 | 31.63% | 0.15% |
| Feb. 13, 2024 | Mulvihill Christian | Chief Financial Officer | A | Class A Common Stock | 32051 | $4.35 | 32,051.0000 | 6,660,000 | 9999.99% | 0.48% |
| Feb. 5, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 500 | $3.27 | 8,500.0000 | 6,660,000 | 6.25% | 0.01% |
| Feb. 5, 2024 | Kovler Jordan | Chief Executive Officer | P | Class A Common Stock | 2550 | $3.29 | 8,000.0000 | 6,660,000 | 46.79% | 0.04% |