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 $30.7M · 12net −$30.7M
$10k$10k$1M$1M$100M$100MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 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%
Aug 26, 2026 GJForm 4 →Aug 27, 7:47 pm EDTHelmy EltoukhyCo-Chief Executive Officer, Director80,000——1,940,934—
Aug 21, 2026 SForm 4 →Aug 24, 5:21 pm EDTAmirAli TalasazCo-Chief Executive Officer, Director37,500$169.16$6,343,38437,500−50.0%
Aug 21, 2026 MForm 4 →Aug 24, 5:20 pm EDTRoberto MignoneDirector264——10,010—
Aug 17, 2026 MForm 4 →Aug 18, 6:16 pm EDTMedina Manuel HidalgoDirector232——4,788—
Aug 17, 2026 SForm 4 →Aug 18, 6:14 pm EDTMusa TariqDirector116$156.45$18,14811,316−1.01%10b5-1
Aug 15, 2026 MForm 4 →Aug 18, 6:14 pm EDTMusa TariqDirector250——11,432—10b5-1
Aug 12, 2026 SForm 4 →Aug 13, 7:21 pm EDTTerilyn J. MonroeChief People Officer46,300$165.12$7,645,21822,979−66.8%
Aug 12, 2026 MForm 4 →Aug 13, 7:21 pm EDTTerilyn J. MonroeChief People Officer46,300$22.70$1,051,16469,279—
Aug 11, 2026 GForm 4 →Aug 12, 6:22 pm EDTHelmy EltoukhyCo-Chief Executive Officer, Director70,000——35,000—
Aug 10, 2026 GForm 4 →Aug 12, 6:20 pm EDTAmirAli TalasazCo-Chief Executive Officer, Director150,000——75,000—
Aug 10, 2026 GForm 4 →Aug 12, 6:19 pm EDTJohn G. SaiaChief Legal Officer800——38,991—
Aug 10, 2026 SForm 4 →Aug 11, 6:22 pm EDTChris FreemanChief Commercial Officer63,605$169.58$10,786,11165,374−49.3%
Aug 10, 2026 MForm 4 →Aug 11, 6:22 pm EDTChris FreemanChief Commercial Officer63,605$74.09$4,712,507128,979—
Aug 5, 2026 SForm 4 →Aug 6, 5:06 pm EDTMedina Manuel HidalgoDirector1,700$164.24$279,2024,556−27.2%
Aug 5, 2026 MForm 4 →Aug 6, 5:06 pm EDTMedina Manuel HidalgoDirector950$32.55$30,9226,256—
Aug 4, 2026 SForm 4 →Aug 5, 5:05 pm EDTIan T ClarkDirector14,180$158.92$2,253,4512,975−82.7%
Aug 4, 2026 MForm 4 →Aug 5, 5:05 pm EDTIan T ClarkDirector9,088$60.63$550,99817,155—
Jul 21, 2026 MForm 4 →Jul 22, 5:15 pm EDTRoberto MignoneDirector264——9,746—
Jul 17, 2026 MForm 4 →Jul 20, 5:07 pm EDTMedina Manuel HidalgoDirector232——5,306—
Jul 16, 2026 SForm 4 →Jul 16, 4:56 pm EDTMusa TariqDirector116$163.29$18,94211,182−1.03%10b5-1
Jul 15, 2026 MForm 4 →Jul 16, 4:56 pm EDTMusa TariqDirector250——11,298—10b5-1
Jul 1, 2026 FMForm 4 →Jul 2, 6:13 pm EDTJohn G. SaiaChief Legal Officer10,770$170.77$633,04439,791—
Jul 1, 2026 FMForm 4 →Jul 2, 6:12 pm EDTTerilyn J. MonroeChief People Officer6,119$170.77$358,44622,979—
Jul 1, 2026 FMForm 4 →Jul 2, 6:12 pm EDTKumud KaliaChief Information Officer9,112$170.77$523,58143,794—
Jul 1, 2026 FMForm 4 →Jul 2, 6:11 pm EDTChris FreemanChief Commercial Officer10,555$170.77$536,38965,374—
Jul 1, 2026 FMForm 4 →Jul 2, 6:10 pm EDTDarya ChudovaChief Technology Officer12,348$170.77$737,38578,373—
Jul 1, 2026 FMForm 4 →Jul 2, 6:10 pm EDTMichael Brian BellChief Financial Officer11,192$170.77$668,39451,816—
Jun 30, 2026 FMForm 4 →Jul 2, 6:09 pm EDTHelmy EltoukhyCo-Chief Executive Officer, Director55,043$169.17$3,132,0192,030,934—
Jun 30, 2026 FMForm 4 →Jul 2, 6:09 pm EDTAmirAli TalasazCo-Chief Executive Officer, Director55,043$169.17$3,132,0191,899,351—
Jun 30, 2026 MForm 4 →Jul 2, 6:07 pm EDTSteve E. KrognesDirector155——14,580—

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—
Aug 21, 2026 MForm 4 →Aug 24, 5:20 pm EDTRoberto MignoneDirector264——6,864—
Aug 17, 2026 MForm 4 →Aug 18, 6:16 pm EDTMedina Manuel HidalgoDirector232——5,337—
Aug 15, 2026 MForm 4 →Aug 18, 6:14 pm EDTMusa TariqDirector250——1,749—10b5-1
Aug 12, 2026 MForm 4 →Aug 13, 7:21 pm EDTTerilyn J. MonroeChief People Officer46,300——18,615—
Aug 10, 2026 MForm 4 →Aug 11, 6:22 pm EDTChris FreemanChief Commercial Officer63,605——1,668—
Aug 5, 2026 MForm 4 →Aug 6, 5:06 pm EDTMedina Manuel HidalgoDirector950——12,079—
Aug 4, 2026 MForm 4 →Aug 5, 5:05 pm EDTIan T ClarkDirector9,088——0—
Jul 21, 2026 MForm 4 →Jul 22, 5:15 pm EDTRoberto MignoneDirector264——7,128—
Jul 17, 2026 MForm 4 →Jul 20, 5:07 pm EDTMedina Manuel HidalgoDirector232——5,569—
Jul 15, 2026 MForm 4 →Jul 16, 4:56 pm EDTMusa TariqDirector250——1,999—10b5-1
Jul 1, 2026 MForm 4 →Jul 2, 6:13 pm EDTJohn G. SaiaChief Legal Officer7,063——10,474—
Jul 1, 2026 MForm 4 →Jul 2, 6:12 pm EDTTerilyn J. MonroeChief People Officer4,020——9,522—
Jul 1, 2026 MForm 4 →Jul 2, 6:12 pm EDTKumud KaliaChief Information Officer6,046——9,522—
Jul 1, 2026 MForm 4 →Jul 2, 6:11 pm EDTChris FreemanChief Commercial Officer7,414——9,046—
Jul 1, 2026 MForm 4 →Jul 2, 6:10 pm EDTDarya ChudovaChief Technology Officer8,030——11,903—
Jul 1, 2026 MForm 4 →Jul 2, 6:10 pm EDTMichael Brian BellChief Financial Officer7,278——13,093—
Jun 30, 2026 MForm 4 →Jul 2, 6:09 pm EDTHelmy EltoukhyCo-Chief Executive Officer, Director36,529——58,296—
Jun 30, 2026 MForm 4 →Jul 2, 6:09 pm EDTAmirAli TalasazCo-Chief Executive Officer, Director36,529——58,296—
Jun 30, 2026 MForm 4 →Jul 2, 6:07 pm EDTSteve E. KrognesDirector155——0—