Form4insider filings, from the source

Company · CIK 0001192448 · SIC 3841 — Surgical & Medical Instruments & Apparatus · NYSE

GLAUKOS Corp · GKOS

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.7M · 2net −$2.7M
$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 16, 2026 SForm 4 →Sep 18, 5:32 pm EDTTomas NavratilCHIEF DEVELOPMENT OFFICER1,457$166.92$243,20472,433−1.97%10b5-1
Aug 28, 2026 SForm 4 →Sep 1, 6:24 pm EDTTomas NavratilCHIEF DEVELOPMENT OFFICER13,744$180.67$2,483,10473,890−15.7%

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

No reported derivative activity in this period.