Glaukos (GKOS) CDO Tomas Navratil Sells 1,457 Shares

What Happened

• Tomas Navratil, Chief Development Officer of Glaukos Corporation (GKOS), sold a total of 1,457 shares of Glaukos common stock in open-market transactions on September 16, 2026. The sales were reported at various weighted-average prices and total approximately $243,204. These were sales (S) — not purchases or option exercises — and therefore represent dispositions of existing holdings, not an acquisition.

Key Details

• Transaction date: September 16, 2026; Form 4 filed September 18, 2026 (timely filing).
• Individual sale breakdown (shares / reported avg price / reported proceeds):
  • 103 shares @ $163.20 = $16,810 (executed across $162.87–$163.47)
  • 345 shares @ $164.60 = $56,787 (executed across $164.40–$165.26)
  • 191 shares @ $166.20 = $31,744 (executed across $165.55–$166.22)
  • 460 shares @ $167.32 = $76,967 (executed across $167.04–$167.57)
  • 120 shares @ $168.38 = $20,206 (executed across $168.37–$168.38)
  • 234 shares @ $170.95 = $40,002 (executed across $170.76–$171.10)
  • 4 shares @ $172.00 = $688 (executed across $172.00–$172.01)
• Total: 1,457 shares sold for about $243,204.
• Notable footnotes:
  • Sales were effected pursuant to a Rule 10b5-1 trading plan adopted June 12, 2026 (pre‑arranged trading plan).
  • Several transactions were executed in multiple trades; the filing reports weighted-average prices and provides ranges for the underlying trade prices.
  • The filing notes the reporting person has 38,817 restricted stock units that are unvested or undelivered (per the filing footnote).
• Shares owned after the transaction: not specified in the excerpt provided (the filing notes unvested RSUs as above).

Context

• A 10b5-1 plan indicates these sales were made under a pre-established plan that can permit insiders to sell shares at scheduled times regardless of their current view of the stock. Such sales are often routine (e.g., diversification or liquidity) but the filing itself does not state the insider’s motivation.
• This report contains only open-market sales (transaction code S). There were no option exercises, grants, or gifts reported in this filing.