Updated Jul 16, 2026 · Last SEC filing 2026-06-22
GRAIL, Inc. (GRAL) has filed 9 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-22. 3 Form 8-K material event filings were reported by GRAL in the last 90 days. 1 Form 144 notices of proposed sale were filed for GRAL stock. InsiderAlpha tracks every GRAL SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Services-Medical Laboratories (SIC 8071) |
|---|---|
| SEC CIK | 0001699031 |
| Form 4 filings (90d) | 9 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-06-22 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| SUMME GREGORY L | Director | A — Grant or award | 5.5K | $63.74 | $350K | SEC | |
| Krevans Sarah | Director | A — Grant or award | 5.5K | $63.74 | $350K | SEC | |
| MIZELL STEVEN | Director | A — Grant or award | 5.5K | $63.74 | $350K | SEC | |
| CHASE WILLIAM J | Director | A — Grant or award | 5.5K | $63.74 | $350K | SEC | |
| Partridge Andrew John | Chief Growth Officer | S — Open-market sale | 1.5K | $61.08 | $91K | SEC | |
| Ofman Joshua J. | Chief Executive Officer | A — Grant or award | 3.2K | $61.13 | $193K | SEC | |
| Ofman Joshua J. | Chief Executive Officer | A — Grant or award | 27.9K | $64.40 | $1.80M | SEC | |
| CHASE WILLIAM J | Director | A — Grant or award | 408 | $49.79 | $20K | SEC | |
| MIZELL STEVEN | Director | A — Grant or award | 396 | $49.79 | $20K | SEC | |
| SUMME GREGORY L | Director | A — Grant or award | 631 | $49.79 | $31K | SEC | |
| Ofman Joshua J. | President | S — Open-market sale | 61.7K | $49.92 | $3.08M | SEC | |
| Freidin Aaron | Chief Financial Officer | S — Open-market sale | 45.8K | $49.92 | $2.29M | SEC | |
| RAGUSA ROBERT P | Chief Executive Officer | S — Open-market sale | 123.5K | $49.92 | $6.16M | SEC | |
| Freidin Aaron | Chief Financial Officer | S — Open-market sale | 85 | $46.74 | $4K | SEC | |
| Freidin Aaron | Chief Financial Officer | S — Open-market sale | 2.4K | $47.93 | $115K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for GRAIL, Inc. (GRAL). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| SUMME GREGORY L | 2 | $381K |
| MIZELL STEVEN | 2 | $370K |
| CHASE WILLIAM J | 2 | $370K |
| Ofman Joshua J. | 2 | $1.99M |
| Krevans Sarah | 1 | $350K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GRAL insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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