There have been 50 recent insider transactions recorded for Greenidge Generation Holdings Inc. (GREE), including 27 buys and 20 sells. Total insider buying was valued at $1.01M and total insider selling at $197.44K.
Notable insiders with recent activity include Irwin Dale, Kovler Jordan, Mulvihill Christian. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — GREE
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-11 |
Irwin Dale |
President |
Tax Withholding of RSU |
39,655 |
$1.38 |
$54.72K |
173,630 |
| 2026-03-11 |
Kovler Jordan |
Chief Executive Officer |
Tax Withholding of RSU |
26,785 |
$1.38 |
$36.96K |
236,127 |
| 2026-03-11 |
Mulvihill Christian |
Chief Financial Officer |
Tax Withholding of RSU |
34,010 |
$1.38 |
$46.93K |
156,441 |
| 2026-03-04 |
Irwin Dale |
President |
RSU Award |
110,000 |
- |
- |
213,285 |
| 2026-03-04 |
Kovler Jordan |
Chief Executive Officer |
RSU Award |
110,000 |
- |
- |
262,912 |
| 2026-03-04 |
Mulvihill Christian |
Chief Financial Officer |
RSU Award |
95,000 |
- |
- |
190,451 |
| 2026-02-02 |
Irwin Dale |
President |
Informative Sell |
1,979 |
$1.28 |
$2.53K |
103,285 |
| 2026-02-02 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
1,953 |
$1.28 |
$2.5K |
95,451 |
| 2026-01-08 |
Atlas Capital Resources Gp Llc |
10 Percent Owner |
Other (Buy) |
79,320 |
$2.06 |
$163.4K |
3,956,317 |
| 2025-11-09 |
Fearn Kenneth Hopkins Jr. |
Director |
RSU Award |
22,500 |
- |
- |
174,107 |
| 2025-11-09 |
Krug Christopher J. |
Director |
RSU Award |
22,500 |
- |
- |
174,107 |
| 2025-11-09 |
Zeynel Charles M. |
Director |
RSU Award |
15,000 |
- |
- |
83,493 |
| 2025-10-13 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
609 |
$2.07 |
$1.26K |
97,409 |
| 2025-10-09 |
Atlas Capital Resources Gp Llc |
10 Percent Owner |
Other (Buy) |
102,286 |
$1.62 |
$165.7K |
3,876,997 |
| 2025-09-16 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
622 |
$1.46 |
$908.12 |
98,018 |
| 2025-08-18 |
Zeynel Charles M. |
Director |
RSU Award |
68,493 |
- |
- |
68,493 |
| 2025-08-13 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
615 |
$1.36 |
$836.40 |
98,645 |
| 2025-08-11 |
Zeynel Charles M. |
Director |
Unknown |
- |
- |
- |
- |
| 2025-08-04 |
Irwin Dale |
President |
Informative Sell |
1,727 |
$1.50 |
$2.59K |
105,270 |
| 2025-08-04 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
1,696 |
$1.50 |
$2.54K |
99,260 |
| 2025-07-14 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
611 |
$1.88 |
$1.15K |
100,956 |
| 2025-07-02 |
Atlas Capital Resources Gp Llc |
10 Percent Owner |
Other (Buy) |
131,937 |
$1.23 |
$162.28K |
3,774,711 |
| 2025-06-13 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
613 |
$1.45 |
$888.85 |
101,567 |
| 2025-05-23 |
Kovler Jordan |
Chief Executive Officer |
Informative Buy |
5,000 |
$1.56 |
$7.8K |
152,912 |
| 2025-05-21 |
Irwin Dale |
President |
Informative Sell |
4,681 |
$1.30 |
$6.09K |
107,174 |
| 2025-05-21 |
Kovler Jordan |
Chief Executive Officer |
Informative Sell |
3,133 |
$1.30 |
$4.07K |
147,912 |
| 2025-05-21 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
4,596 |
$1.30 |
$5.97K |
102,194 |
| 2025-05-20 |
Kovler Jordan |
Chief Executive Officer |
Informative Buy |
5,000 |
$1.30 |
$6.5K |
151,045 |
| 2025-05-20 |
Mulvihill Christian |
Chief Financial Officer |
Informative Buy |
10,000 |
$1.35 |
$13.5K |
106,790 |
| 2025-05-20 |
Krug Christopher J. |
Director |
Informative Buy |
125,000 |
$1.32 |
$164.64K |
250,000 |
| 2025-05-19 |
Irwin Dale |
President |
RSU Award |
12,737 |
- |
- |
111,855 |
| 2025-05-19 |
Kovler Jordan |
Chief Executive Officer |
RSU Award |
12,737 |
- |
- |
136,045 |
| 2025-05-19 |
Mulvihill Christian |
Chief Financial Officer |
RSU Award |
12,737 |
- |
- |
96,790 |
| 2025-05-13 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
618 |
$1.12 |
$692.16 |
84,053 |
| 2025-04-24 |
Krug Christopher J. |
Director |
Informative Buy |
55,000 |
$0.83 |
$45.76K |
276,607 |
| 2025-04-24 |
Krug Christopher J. |
Director |
Informative Buy |
55,000 |
$0.83 |
$45.76K |
125,000 |
| 2025-04-23 |
Krug Christopher J. |
Director |
Informative Buy |
70,000 |
$0.83 |
$58.16K |
221,607 |
| 2025-04-23 |
Krug Christopher J. |
Director |
Informative Buy |
70,000 |
$0.83 |
$58.16K |
70,000 |
| 2025-04-17 |
Fearn Kenneth Hopkins Jr. |
Director |
Unknown |
- |
- |
- |
- |
| 2025-04-17 |
Fearn Kenneth Hopkins Jr. |
Director |
RSU Award |
151,607 |
- |
- |
151,607 |
| 2025-04-17 |
Krug Christopher J. |
Director |
Unknown |
- |
- |
- |
- |
| 2025-04-17 |
Krug Christopher J. |
Director |
RSU Award |
151,607 |
- |
- |
151,607 |
| 2025-04-14 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
618 |
$0.65 |
$401.70 |
84,671 |
| 2025-04-08 |
Atlas Capital Resources Gp Llc |
10 Percent Owner |
Other (Buy) |
90,954 |
$1.31 |
$119.15K |
3,642,774 |
| 2025-03-28 |
Irwin Dale |
President |
Informative Sell |
22,297 |
$0.81 |
$18.06K |
99,118 |
| 2025-03-27 |
Irwin Dale |
President |
RSU Award |
55,515 |
- |
- |
122,672 |
| 2025-03-27 |
Kovler Jordan |
Chief Executive Officer |
Informative Sell |
9,000 |
$0.80 |
$7.2K |
123,308 |
| 2025-03-27 |
Mulvihill Christian |
Chief Financial Officer |
Informative Sell |
1,408 |
$0.80 |
$1.13K |
85,289 |
| 2025-03-26 |
Kovler Jordan |
Chief Executive Officer |
RSU Award |
91,912 |
- |
- |
152,203 |
| 2025-03-26 |
Mulvihill Christian |
Chief Financial Officer |
RSU Award |
55,515 |
- |
- |
109,642 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
