11 insiders reported 92 Form 4 transactions for Greenidge Generation Holdings Inc. (GREE) over the past 18 months (most recent 2026-04-13). Recent activity: Atlas Capital Resources (A9) LP (Director) Buy 114,865 shares, Fazio Timothy J (Director) Buy 114,865 shares, Atlas Capital Resources GP LLC (Director) Buy 114,865 shares, Atlas Capital GP LP (Director) Buy 114,865 shares, BURSKY ANDREW M (Director) Buy 114,865 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-13 | Atlas Capital Resources (A9) LP | Director | Buy | 114,865 | $159,662 |
| 2026-04-13 | Fazio Timothy J | Director | Buy | 114,865 | $159,662 |
| 2026-04-13 | Atlas Capital Resources GP LLC | Director | Buy | 114,865 | $159,662 |
| 2026-04-13 | Atlas Capital GP LP | Director | Buy | 114,865 | $159,662 |
| 2026-04-13 | BURSKY ANDREW M | Director | Buy | 114,865 | $159,662 |
| 2026-03-13 | Irwin Dale | President | Buy | 110,000 | $0 |
| 2026-03-13 | Irwin Dale | President | Sell | 39,655 | $54,724 |
| 2026-03-13 | Kovler Jordan | Chief Executive Officer | Buy | 110,000 | $0 |
| 2026-03-13 | Kovler Jordan | Chief Executive Officer | Sell | 26,785 | $36,963 |
| 2026-03-13 | Mulvihill Christian | Chief Financial Officer | Buy | 95,000 | $0 |
| 2026-03-13 | Mulvihill Christian | Chief Financial Officer | Sell | 34,010 | $46,934 |
| 2026-02-04 | Irwin Dale | President | Sell | 1,979 | $2,533 |
| 2026-02-04 | Irwin Dale | President | Sell | 6 | $8 |
| 2026-02-04 | Mulvihill Christian | Chief Financial Officer | Sell | 5 | $6 |
| 2026-02-04 | Mulvihill Christian | Chief Financial Officer | Sell | 1,953 | $2,500 |
| 2026-01-12 | Fazio Timothy J | Director | Buy | 79,320 | $163,399 |
| 2026-01-12 | Atlas Capital Resources (A9) LP | Director | Buy | 79,320 | $163,399 |
| 2026-01-12 | Atlas Capital Resources GP LLC | Director | Buy | 79,320 | $163,399 |
| 2026-01-12 | BURSKY ANDREW M | Director | Buy | 79,320 | $163,399 |
| 2026-01-12 | Atlas Capital GP LP | Director | Buy | 79,320 | $163,399 |
| 2025-11-17 | Krug Christopher J. | Director | Buy | 22,500 | $0 |
| 2025-11-17 | Fearn Kenneth Hopkins Jr. | Director | Buy | 22,500 | $0 |
| 2025-11-17 | Zeynel Charles M. | Director | Buy | 15,000 | $0 |
| 2025-10-15 | Mulvihill Christian | Chief Financial Officer | Sell | 609 | $1,261 |
| 2025-10-09 | Fazio Timothy J | Director | Buy | 102,286 | $165,703 |
Source: SEC Form 4 filings · as of 2026-04-13