Mulvihill Christian (CIK 1998358) reported 26 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-13). Recent activity: Buy GREE (95,000 shares), Sell GREE (34,010 shares), Sell GREE (5 shares), Sell GREE (1,953 shares), Sell GREE (609 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Buy | 95,000 | $0 |
| 2026-03-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 34,010 | $46,934 |
| 2026-02-04 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 5 | $6 |
| 2026-02-04 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 1,953 | $2,500 |
| 2025-10-15 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 609 | $1,261 |
| 2025-09-17 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 5 | $7 |
| 2025-09-17 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 622 | $908 |
| 2025-08-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 615 | $836 |
| 2025-08-06 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 1,696 | $2,544 |
| 2025-07-16 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 611 | $1,149 |
| 2025-06-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 14 | $21 |
| 2025-06-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 613 | $889 |
| 2025-05-23 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 4,596 | $5,975 |
| 2025-05-20 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Buy | 12,737 | $0 |
| 2025-05-20 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Buy | 10,000 | $13,500 |
| 2025-05-15 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 618 | $692 |
| 2025-04-15 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 618 | $402 |
| 2025-03-28 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Buy | 55,515 | $0 |
| 2025-03-28 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 22,945 | $18,356 |
| 2025-03-28 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 1,408 | $1,126 |
| 2025-03-18 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 738 | $568 |
| 2025-02-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 425 | $459 |
| 2025-02-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 3 | $3 |
| 2025-02-13 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 282 | $305 |
| 2025-02-04 | Greenidge Generation Holdings Inc. (GREE) | Chief Financial Officer | Sell | 1,947 | $2,512 |
Source: SEC Form 4 filings · as of 2026-03-13