11 insiders reported 92 Form 4 transactions for Greenidge Generation Holdings Inc. (GREE) over the past 18 months (most recent 2026-07-24). Recent activity: Kovler Jordan (Chief Executive Officer) Sell 35,721 shares, Mulvihill Christian (Chief Financial Officer) Sell 14,738 shares, Irwin Dale (President) Sell 21,154 shares, Irwin Dale (President) Buy 50,000 shares, Kovler Jordan (Chief Executive Officer) Buy 125,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| 2026-07-24 | Irwin Dale | President | Sell | 21,154 | $51,827 |
| 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 |
| 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 | 6 | $8 |
| 2026-02-04 | Irwin Dale | President | Sell | 1,979 | $2,533 |
| 2026-02-04 | Mulvihill Christian | Chief Financial Officer | Sell | 5 | $6 |
Source: SEC Form 4 filings · as of 2026-07-24