Form4insider filings, from the source

Company · CIK 0001093557 · SIC 3841 — Surgical & Medical Instruments & Apparatus · Nasdaq

DEXCOM INC · DXCM

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.1M · 3net −$1.1M
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 22Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 16, 4:25 pm EDTMichael Jon BrownEVP Chief Legal Compliance Off1,700$84.04$142,86899,885−1.67%10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 4:26 pm EDTNicholas AugustinosDirector8,089$84.04$679,76929,293−21.6%10b5-1
Sep 10, 2026 SForm 4 →Sep 14, 4:02 pm EDTJereme M SylvainEVP, Chief Financal Officer3,638$83.27$302,936146,828−2.42%10b5-1
Sep 10, 2026 AForm 4 →Sep 10, 4:40 pm EDTGlenn S BoehnleinDirector5,841——5,841—

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

No reported derivative activity in this period.