16 insiders reported 92 Form 4 transactions for Greenidge Generation Holdings Inc. (GREE) over the past 18 months (most recent 2026-09-21). Recent activity: NEUSCHELER MICHAEL P (Director) Buy 60,000 shares, NEUSCHELER MICHAEL P (Director) Buy 42,349 shares, Foley Robert (Director) Buy 37,158 shares, Wu Jacky (Director) Buy 37,158 shares, Irwin Dale (President) Buy 58,479 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-21 | NEUSCHELER MICHAEL P | Director | Buy | 60,000 | $0 |
| 2026-09-21 | NEUSCHELER MICHAEL P | Director | Buy | 42,349 | $0 |
| 2026-09-14 | Foley Robert | Director | Buy | 37,158 | $0 |
| 2026-09-14 | Wu Jacky | Director | Buy | 37,158 | $0 |
| 2026-09-14 | Irwin Dale | President | Buy | 58,479 | $99,999 |
| 2026-09-14 | Kovler Jordan | Chief Executive Officer | Buy | 58,479 | $99,999 |
| 2026-09-14 | Mulvihill Christian | Chief Financial Officer | Buy | 58,479 | $99,999 |
| 2026-09-14 | Rothschild Allan B. | Director | Buy | 38,251 | $0 |
| 2026-09-11 | Rogers George Ted III | Director | Buy | 2.9M | $5.0M |
| 2026-09-11 | Rogers George Ted III | Director | Buy | 60,000 | $0 |
| 2026-09-11 | NEUSCHELER MICHAEL P | Director | Buy | 42,349 | $0 |
| 2026-09-11 | Rogers George Ted III | Director | Buy | 38,251 | $0 |
| 2026-09-11 | NEUSCHELER MICHAEL P | Director | Buy | 60,000 | $0 |
| 2026-09-11 | Rogers George Ted III | Director | Buy | 16,000 | $0 |
| 2026-07-24 | Irwin Dale | President | Sell | 21,154 | $51,827 |
| 2026-07-24 | Kovler Jordan | Chief Executive Officer | Sell | 35,721 | $87,516 |
| 2026-07-24 | Mulvihill Christian | Chief Financial Officer | Sell | 14,738 | $36,108 |
| 2026-07-22 | Irwin Dale | President | Buy | 50,000 | $0 |
| 2026-07-22 | Kovler Jordan | Chief Executive Officer | Buy | 125,000 | $0 |
| 2026-07-22 | Mulvihill Christian | Chief Financial Officer | Buy | 35,000 | $0 |
| 2026-07-08 | Fazio Timothy J | Director | Buy | 114,199 | $162,163 |
| 2026-07-08 | Atlas Capital Resources (A9) LP | Director | Buy | 114,199 | $162,163 |
| 2026-07-08 | Atlas Capital Resources GP LLC | Director | Buy | 114,199 | $162,163 |
| 2026-07-08 | Atlas Capital GP LP | Director | Buy | 114,199 | $162,163 |
| 2026-07-08 | BURSKY ANDREW M | Director | Buy | 114,199 | $162,163 |
来源：SEC Form 4 申报文件 · 截至 2026-09-21