Form4insider filings, from the source

Company · CIK 0001699031 · SIC 8071 — Services-Medical Laboratories · Nasdaq

GRAIL, Inc. · GRAL

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $7.6M · 5net −$7.6M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 3Jun 21Jul 10Jul 28Aug 16Sep 3Sep 22

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 SForm 4 →Sep 23, 4:37 pm EDTAaron FreidinChief Financial Officer4,100$93.34$382,679248,983−1.62%10b5-1
Sep 21, 2026 SForm 4 →Sep 23, 4:37 pm EDTJoshua J. OfmanChief Executive Officer, Director61,452$97.74$6,006,378362,271−14.5%10b5-1
Sep 21, 2026 MForm 4 →Sep 23, 4:37 pm EDTJoshua J. OfmanChief Executive Officer, Director26,452$14.00$370,328423,723—10b5-1
Aug 27, 2026 SForm 4 →Aug 31, 8:07 pm EDTJoshua J. OfmanChief Executive Officer, Director5,000$85.02$425,098397,271−1.24%10b5-1
Aug 27, 2026 SForm 4 →Aug 31, 8:07 pm EDTAaron FreidinChief Financial Officer7,900$85.01$671,579253,083−3.03%10b5-1
Jul 15, 2026 AForm 4 →Jul 16, 4:43 pm EDTWilliam J ChaseDirector276$74.36$20,52342,978—
Jul 15, 2026 AForm 4 →Jul 16, 4:43 pm EDTGregory L SummeDirector427$74.36$31,75245,672—
Jul 15, 2026 AForm 4 →Jul 16, 4:43 pm EDTSteven MizellDirector268$74.36$19,92842,830—
Jun 18, 2026 AForm 4 →Jun 22, 5:30 pm EDTWilliam J ChaseDirector5,491$63.74$349,99642,702—
Jun 18, 2026 AForm 4 →Jun 22, 5:30 pm EDTSteven MizellDirector5,491$63.74$349,99642,562—
Jun 18, 2026 AForm 4 →Jun 22, 5:30 pm EDTGregory L SummeDirector5,491$63.74$349,99645,245—
Jun 18, 2026 AForm 4 →Jun 22, 5:29 pm EDTSarah KrevansDirector5,491$63.74$349,99642,628—
Jun 4, 2026 SForm 4 →Jun 5, 8:16 pm EDTAndrew John PartridgeChief Growth Officer1,491$61.08$91,070163,738−0.90%
Jun 1, 2026 AForm 4 →Jun 3, 8:04 pm EDTJoshua J. OfmanChief Executive Officer, Director31,055$64.07$1,989,628402,271—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 MForm 4 →Sep 23, 4:37 pm EDTJoshua J. OfmanChief Executive Officer, Director26,452——37,032—10b5-1