Form4insider filings, from the source

Company · CIK 0001576280 · SIC 8071 — Services-Medical Laboratories · Nasdaq

Guardant Health, Inc. · GH

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.3M · 5net −$3.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 MForm 4 →Sep 22, 4:33 pm EDTRoberto MignoneDirector264——10,274—
Sep 17, 2026 MForm 4 →Sep 21, 6:16 pm EDTMedina Manuel HidalgoDirector232——5,020—
Sep 16, 2026 SForm 4 →Sep 17, 5:10 pm EDTSteve E. KrognesDirector6,674$175.74$1,172,8867,906−45.8%
Sep 16, 2026 SForm 4 →Sep 17, 5:09 pm EDTAlex M Azar IIDirector826$175.00$144,550825−50.0%10b5-1
Sep 16, 2026 SForm 4 →Sep 17, 5:09 pm EDTMusa TariqDirector116$175.00$20,30011,449−1.00%10b5-1
Sep 15, 2026 SForm 4 →Sep 17, 5:11 pm EDTDarya ChudovaChief Technology Officer7,738$178.00$1,377,36470,635−9.87%
Sep 15, 2026 MForm 4 →Sep 17, 5:09 pm EDTMusa TariqDirector249——11,565—10b5-1
Sep 12, 2026 MForm 4 →Sep 14, 6:12 pm EDTAlex M Azar IIDirector1,651——1,651—
Sep 11, 2026 SForm 4 →Sep 14, 6:11 pm EDTKumud KaliaChief Information Officer4,000$158.05$632,19339,794−9.13%

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 MForm 4 →Sep 22, 4:33 pm EDTRoberto MignoneDirector264——6,600—
Sep 17, 2026 MForm 4 →Sep 21, 6:16 pm EDTMedina Manuel HidalgoDirector232——5,105—
Sep 15, 2026 MForm 4 →Sep 17, 5:09 pm EDTMusa TariqDirector249——1,500—10b5-1
Sep 12, 2026 MForm 4 →Sep 14, 6:12 pm EDTAlex M Azar IIDirector1,651——4,953—