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Grail stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+51.7% to $121.44
Grail (GRAL) stock rose 52% over the last 252 sessions, to $121.44. On the way it reported 5 quarters, its insiders filed 18 open-market trades and 6 Form 144 notices of planned sales, and the company filed 1 material 8-K. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 4, 2026 | Earnings | Earnings: beat the EPS estimate by 257.9% | +3.0% (+1.3% vs SPY) | — | — |
| Oct 15, 2026 | Form 144 | Form 144: Joshua Ofman plans to sell $698K | −3.1% (−3.4% vs SPY) | −5.2% (−5.6% vs SPY) | — |
| Oct 5, 2026 | Form 144 | Form 144: Aaron Freidin plans to sell $3.5M | +7.3% (+6.6% vs SPY) | −1.9% (−3.0% vs SPY) | −6.8% (−4.5% vs SPY) |
| Oct 5, 2026 | Form 144 | Form 144: Andrew Partridge plans to sell $1.2M | +7.3% (+6.6% vs SPY) | −1.9% (−3.0% vs SPY) | −6.8% (−4.5% vs SPY) |
| Sep 21, 2026 | Form 144 | Form 144: Joshua Ofman plans to sell $5.8M | +29.0% (+27.5% vs SPY) | +45.2% (+43.9% vs SPY) | +41.6% (+41.0% vs SPY) |
| Aug 27, 2026 | Form 144 | Form 144: Aaron Freidin plans to sell $955K | +3.6% (+2.9% vs SPY) | +1.2% (+1.3% vs SPY) | +46.6% (+45.7% vs SPY) |
| Aug 27, 2026 | Form 144 | Form 144: Joshua Ofman plans to sell $796K | +3.6% (+2.9% vs SPY) | +1.2% (+1.3% vs SPY) | +46.6% (+45.7% vs SPY) |
| Aug 5, 2026 | Earnings | Earnings: beat the EPS estimate by 44.9% | +2.0% (+2.2% vs SPY) | +3.8% (+3.9% vs SPY) | +10.3% (+11.1% vs SPY) |
| Jun 4, 2026 | Insider sale | Partridge Andrew John sold $91K | +8.5% (+8.1% vs SPY) | −4.2% (−0.4% vs SPY) | +12.0% (+12.2% vs SPY) |
| Jun 1, 2026 | 8-K | Directors and officers: departures, appointments, pay | −7.2% (−7.4% vs SPY) | −4.6% (−2.0% vs SPY) | +5.6% (+7.0% vs SPY) |
| May 5, 2026 | Earnings | Earnings: beat the EPS estimate by 30.1% | −2.3% (−3.1% vs SPY) | +9.6% (+6.7% vs SPY) | +9.4% (+4.4% vs SPY) |
| Apr 8, 2026 | Insider sale | Ragusa Robert P sold $6.2M | +3.3% (+0.7% vs SPY) | +2.7% (−2.5% vs SPY) | +24.4% (+13.7% vs SPY) |
| Apr 8, 2026 | Insider sale | Ofman Joshua J. sold $3.1M | +3.3% (+0.7% vs SPY) | +2.7% (−2.5% vs SPY) | +24.4% (+13.7% vs SPY) |
| Apr 8, 2026 | Insider sale | Freidin Aaron sold $2.3M | +3.3% (+0.7% vs SPY) | +2.7% (−2.5% vs SPY) | +24.4% (+13.7% vs SPY) |
| Mar 9, 2026 | Insider sale | Ragusa Robert P sold $357K | −0.8% (−1.7% vs SPY) | −15.4% (−13.9% vs SPY) | −2.2% (−0.5% vs SPY) |
| Mar 9, 2026 | Insider sale | Ofman Joshua J. sold $141K | −0.8% (−1.7% vs SPY) | −15.4% (−13.9% vs SPY) | −2.2% (−0.5% vs SPY) |
| Mar 9, 2026 | Insider sale | Freidin Aaron sold $119K | −0.8% (−1.7% vs SPY) | −15.4% (−13.9% vs SPY) | −2.2% (−0.5% vs SPY) |
| Mar 5, 2026 | Insider sale | Ragusa Robert P sold $52K | −4.2% (−3.7% vs SPY) | −15.4% (−14.1% vs SPY) | +1.7% (+5.8% vs SPY) |
| Mar 5, 2026 | Insider sale | Ofman Joshua J. sold $37K | −4.2% (−3.7% vs SPY) | −15.4% (−14.1% vs SPY) | +1.7% (+5.8% vs SPY) |
| Mar 5, 2026 | Insider sale | Freidin Aaron sold $35K | −4.2% (−3.7% vs SPY) | −15.4% (−14.1% vs SPY) | +1.7% (+5.8% vs SPY) |
| Mar 2, 2026 | Insider sale | Ragusa Robert P sold $1.9M | −1.1% (−1.2% vs SPY) | −5.8% (−3.8% vs SPY) | −12.7% (−4.7% vs SPY) |
| Mar 2, 2026 | Insider sale | Ofman Joshua J. sold $853K | −1.1% (−1.2% vs SPY) | −5.8% (−3.8% vs SPY) | −12.7% (−4.7% vs SPY) |
| Mar 2, 2026 | Insider sale | Freidin Aaron sold $480K | −1.1% (−1.2% vs SPY) | −5.8% (−3.8% vs SPY) | −12.7% (−4.7% vs SPY) |
| Feb 19, 2026 | Earnings | Earnings: beat the EPS estimate by 3.6% | −0.7% (−0.5% vs SPY) | −68.1% (−69.0% vs SPY) | −74.7% (−70.7% vs SPY) |
| Dec 3, 2025 | Insider sale | Ragusa Robert P sold $3.8M | +3.8% (+3.5% vs SPY) | +0.1% (−0.1% vs SPY) | −9.2% (−9.7% vs SPY) |
| Dec 3, 2025 | Insider sale | Ofman Joshua J. sold $1.3M | +3.8% (+3.5% vs SPY) | +0.1% (−0.1% vs SPY) | −9.2% (−9.7% vs SPY) |
| Dec 3, 2025 | Insider sale | Freidin Aaron sold $2.5M | +3.8% (+3.5% vs SPY) | +0.1% (−0.1% vs SPY) | −9.2% (−9.7% vs SPY) |
| Nov 17, 2025 | Insider sale | Illumina, Inc. sold $79.8M | +6.5% (+7.4% vs SPY) | +16.1% (+18.1% vs SPY) | +8.9% (+7.8% vs SPY) |
| Nov 17, 2025 | Insider sale | Freidin Aaron sold $134K | +6.5% (+7.4% vs SPY) | +16.1% (+18.1% vs SPY) | +8.9% (+7.8% vs SPY) |
| Nov 12, 2025 | Earnings | Earnings: beat the EPS estimate by 24.7% | +1.6% (+1.6% vs SPY) | −2.3% (+1.1% vs SPY) | +13.1% (+12.2% vs SPY) |
Insiders’ record here
In the year on the chart, Grail's insiders reported 0 open-market buys ($0) and 18 sales ($103M). Of the 18 old enough to score, 3 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale +16.7%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Grail: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.