10 insiders reported 85 Form 4 transactions for GRAIL, Inc. (GRAL) over the past 18 months (most recent 2026-06-22). Recent activity: SUMME GREGORY L (Director) Buy 5,491 shares, CHASE WILLIAM J (Director) Buy 5,491 shares, Krevans Sarah (Director) Buy 5,491 shares, MIZELL STEVEN (Director) Buy 5,491 shares, Partridge Andrew John (Chief Growth Officer) Sell 1,491 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-22 | SUMME GREGORY L | Director | Buy | 5,491 | $349,996 |
| 2026-06-22 | CHASE WILLIAM J | Director | Buy | 5,491 | $349,996 |
| 2026-06-22 | Krevans Sarah | Director | Buy | 5,491 | $349,996 |
| 2026-06-22 | MIZELL STEVEN | Director | Buy | 5,491 | $349,996 |
| 2026-06-05 | Partridge Andrew John | Chief Growth Officer | Sell | 1,491 | $91,070 |
| 2026-06-03 | Ofman Joshua J. | Chief Executive Officer | Buy | 27,901 | $1.8M |
| 2026-06-03 | Ofman Joshua J. | Chief Executive Officer | Buy | 3,154 | $192,804 |
| 2026-04-17 | SUMME GREGORY L | Director | Buy | 631 | $31,417 |
| 2026-04-17 | MIZELL STEVEN | Director | Buy | 396 | $19,717 |
| 2026-04-17 | CHASE WILLIAM J | Director | Buy | 408 | $20,314 |
| 2026-04-09 | Freidin Aaron | Chief Financial Officer | Sell | 45,806 | $2.3M |
| 2026-04-09 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 123,502 | $6.2M |
| 2026-04-09 | Ofman Joshua J. | President | Sell | 61,665 | $3.1M |
| 2026-03-09 | Ofman Joshua J. | President | Sell | 690 | $36,577 |
| 2026-03-09 | Ofman Joshua J. | President | Sell | 2,836 | $135,929 |
| 2026-03-09 | Ofman Joshua J. | President | Sell | 101 | $4,721 |
| 2026-03-09 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 980 | $51,950 |
| 2026-03-09 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 7,203 | $345,240 |
| 2026-03-09 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 258 | $12,056 |
| 2026-03-09 | Freidin Aaron | Chief Financial Officer | Sell | 2,407 | $115,368 |
| 2026-03-09 | Freidin Aaron | Chief Financial Officer | Sell | 85 | $3,973 |
| 2026-03-09 | Freidin Aaron | Chief Financial Officer | Sell | 655 | $34,722 |
| 2026-03-03 | Freidin Aaron | Chief Financial Officer | Buy | 60,118 | $3.2M |
| 2026-03-03 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 35,787 | $1.8M |
| 2026-03-03 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 1,717 | $89,009 |
Source: SEC Form 4 filings · as of 2026-06-22