Form4insider filings, from the source

Insider · CIK 0001920061

Alex R. Thurman

Files at: GKOS. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $8.3M · 4net −$8.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJul 5Jul 10Jul 16Jul 22Jul 27Aug 2Aug 8

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 7, 2026 SForm 4 →Aug 11, 5:31 pm EDTGLAUKOS CorpGKOS20,000$180.13$3,602,60043,906−31.3%10b5-1
Aug 7, 2026 MForm 4 →Aug 11, 5:31 pm EDTGLAUKOS CorpGKOS20,000$33.81$676,20063,906—10b5-1
Jul 16, 2026 SForm 4 →Jul 21, 4:26 pm EDTGLAUKOS CorpGKOS10,000$160.00$1,600,00043,906−18.6%10b5-1 late
Jul 16, 2026 MForm 4 →Jul 21, 4:26 pm EDTGLAUKOS CorpGKOS10,000$38.68$386,80053,906—10b5-1 late
Jul 9, 2026 SForm 4 →Jul 13, 8:04 pm EDTGLAUKOS CorpGKOS10,000$155.00$1,550,00043,681−18.6%10b5-1
Jul 9, 2026 MForm 4 →Jul 13, 8:04 pm EDTGLAUKOS CorpGKOS10,000$38.68$386,80053,681—10b5-1
Jul 6, 2026 SForm 4 →Jul 8, 9:13 pm EDTGLAUKOS CorpGKOS10,000$150.00$1,500,00043,681−18.6%10b5-1
Jul 6, 2026 MForm 4 →Jul 8, 9:13 pm EDTGLAUKOS CorpGKOS10,000$38.68$386,80053,681—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 7, 2026 MForm 4 →Aug 11, 5:31 pm EDTGLAUKOS CorpGKOS20,000——0—10b5-1
Jul 16, 2026 MForm 4 →Jul 21, 4:26 pm EDTGLAUKOS CorpGKOS10,000——10,000—10b5-1 late
Jul 9, 2026 MForm 4 →Jul 13, 8:04 pm EDTGLAUKOS CorpGKOS10,000——10,000—10b5-1
Jul 6, 2026 MForm 4 →Jul 8, 9:13 pm EDTGLAUKOS CorpGKOS10,000$38.68$386,80020,000—10b5-1