| $248M | ||
| $183M | ||
| $155M | ||
| $81M | ||
| $68M | ||
| $32M |
Buys | $316,251 | 8 | 28 |
Sells | $98,194 | 21 | 72 |
| Krug Christopher J. | director | 3 | $268,554 | 0 | $0 | $268,554 |
| Kovler Jordan | Chief Executive Officer | 4 | $34,200 | 2 | $27,273 | $6,927 |
| Mulvihill Christian | Chief Financial Officer | 1 | $13,498 | 15 | $40,501 | $-27,003 |
| Irwin Dale | President | 0 | $0 | 4 | $30,420 | $-30,420 |
Greenidge Generation Holdings Inc. operates as an integrated cryptocurrency datacenter and power generation company. The company owns and operates cryptocurrency datacenters in New York and South Carolina. It also owns and operates a 106 MW power generation facility. The company was founded in 1937 and is based in Fairfield, Connecticut.
Over the last 12 months, insiders at Greenidge Generation Holdings Inc. have bought $316,251 and sold $98,194 worth of Greenidge Generation Holdings Inc. stock.
On average, over the past 5 years, insiders at Greenidge Generation Holdings Inc. have bought $458,259 and sold $54,969 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Krug Christopher J. (director) — $268,554. Kovler Jordan (Chief Executive Officer) — $34,200. Mulvihill Christian (Chief Financial Officer) — $13,498.
The last purchase of 5,000 shares for transaction amount of $7,800 was made by Kovler Jordan (Chief Executive Officer) on 2025‑05‑23.
| 2025-10-13 | Sale | Mulvihill Christian | Chief Financial Officer | 609 0.004% | $2.07 | $1,261 | -18.91% | |
| 2025-09-16 | Sale | Mulvihill Christian | Chief Financial Officer | 627 0.0039% | $1.46 | $915 | +15.23% | |
| 2025-08-13 | Sale | Mulvihill Christian | Chief Financial Officer | 615 0.0037% | $1.36 | $836 | +7.14% | |
| 2025-08-04 | Sale | Irwin Dale | President | 1,727 0.0112% | $1.50 | $2,591 | +2.44% | |
| 2025-08-04 | Sale | Mulvihill Christian | Chief Financial Officer | 1,696 0.011% | $1.50 | $2,544 | +2.44% | |
| 2025-07-14 | Sale | Mulvihill Christian | Chief Financial Officer | 611 0.0042% | $1.88 | $1,149 | -11.30% | |
| 2025-06-13 | Sale | Mulvihill Christian | Chief Financial Officer | 627 0.0042% | $1.45 | $909 | +11.29% | |
| 2025-05-23 | Kovler Jordan | Chief Executive Officer | 5,000 0.0318% | $1.56 | $7,800 | -3.77% | ||
| 2025-05-21 | Sale | Kovler Jordan | Chief Executive Officer | 3,133 0.019% | $1.30 | $4,073 | +10.43% | |
| 2025-05-21 | Sale | Irwin Dale | President | 4,681 0.0284% | $1.30 | $6,085 | +10.43% | |
| 2025-05-21 | Sale | Mulvihill Christian | Chief Financial Officer | 4,596 0.0278% | $1.30 | $5,975 | +10.43% | |
| 2025-05-20 | Krug Christopher J. | director | 125,000 0.8463% | $1.32 | $164,638 | +21.43% | ||
| 2025-05-20 | Kovler Jordan | Chief Executive Officer | 5,000 0.0334% | $1.30 | $6,500 | +21.43% | ||
| 2025-05-20 | Mulvihill Christian | Chief Financial Officer | 10,000 0.0694% | $1.35 | $13,498 | +21.43% | ||
| 2025-05-19 | Kovler Jordan | Chief Executive Officer | 10,000 0.0589% | $1.11 | $11,100 | +25.41% | ||
| 2025-05-13 | Sale | Mulvihill Christian | Chief Financial Officer | 618 0.0044% | $1.12 | $692 | +44.10% | |
| 2025-04-24 | Krug Christopher J. | director | 55,000 0.3957% | $0.83 | $45,760 | +76.11% | ||
| 2025-04-23 | Krug Christopher J. | director | 70,000 0.5028% | $0.83 | $58,156 | +88.99% | ||
| 2025-04-14 | Sale | Mulvihill Christian | Chief Financial Officer | 618 0.0059% | $0.65 | $402 | +121.24% | |
| 2025-03-28 | Sale | Irwin Dale | President | 23,554 0.2024% | $0.81 | $19,067 | +79.66% |
| Krug Christopher J. | director | 250000 1.5829% | $432,500.00 | 3 | 0 | |
| Kovler Jordan | Chief Executive Officer | 152912 0.9682% | $264,537.76 | 9 | 2 | <0.0001% |
| Irwin Dale | President | 105270 0.6665% | $182,117.10 | 0 | 7 | |
| Mulvihill Christian | Chief Financial Officer | 97409 0.6168% | $168,517.57 | 1 | 16 | |
| Atlas Capital Resources GP LLC | 1190476 7.5376% | $2.06M | 1 | 0 | <0.0001% | |
| NEUSCHELER MICHAEL P | director | 37113 0.235% | $64,205.49 | 0 | 1 | |
| Rothaupt Daniel | director | 20530 0.13% | $35,516.90 | 0 | 1 | |
| Loughran Robert | Chief Financial Officer | 13457 0.0852% | $23,280.61 | 0 | 1 |
$2,190,812 | 21 | 12.73% | $4.2B | |
$2,399,367 | 9 | 13.39% | $23.03B | |
Greenidge Generation Holdings Inc. (GREE) | $1,058,525 | 6 | -33.48% | $27.32M |
$257,817 | 3 | -1.23% | $38.45M | |
$31,680 | 1 | -79.61% | $4.47M |
| Increased Positions | 11 | +28.95% | 275,956 | +47.02% |
| Decreased Positions | 14 | -36.84% | 182,434 | -31.08% |
| New Positions | 5 | New | 60,634 | New |
| Sold Out Positions | 8 | Sold Out | 128,253 | Sold Out |
| Total Postitions | 35 | -7.89% | 680,444 | +15.93% |
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| Gsa Capital Partners Llp | $211.00 | 1.04% | 135,437 | +16,914 | +14.27% | 2025-09-30 |
| Geode Capital Management, Llc | $196.00 | 0.97% | 125,665 | +28,341 | +29.12% | 2025-09-30 |
| State Street Corp | $104.00 | 0.51% | 66,350 | +48,700 | +275.92% | 2025-09-30 |
| Goldman Sachs Group Inc | $49.00 | 0.24% | 31,172 | +17,573 | +129.22% | 2025-09-30 |
| Northern Trust Corp | $47.00 | 0.23% | 29,872 | +29,872 | New | 2025-09-30 |
| Xtx Topco Ltd | $41.00 | 0.2% | 26,512 | -5,629 | -17.51% | 2025-09-30 |
| Renaissance Technologies Llc | $32.00 | 0.16% | 20,600 | +20,600 | New | 2025-09-30 |
| Bridgeway Capital Management, Llc | $27.00 | 0.13% | 17,000 | 0 | 0% | 2025-09-30 |
| Blackrock, Inc. | $20.00 | 0.1% | 12,824 | 0 | 0% | 2025-09-30 |