Navratil Tomas 4
4 · GLAUKOS Corp · Filed Apr 14, 2026
Research Summary
AI-generated summary of this filing
Glaukos (GKOS) CDO Tomas Navratil Sells 2,093 Shares
What Happened
- Tomas Navratil, Chief Development Officer of Glaukos Corp (GKOS), sold a total of 2,093 shares in open‑market transactions on April 10, 2026 for aggregate proceeds of approximately $246,176.
- 1,237 shares at a weighted average price of $116.72 — $144,383 (reported executed in multiple trades; price range reported 116.35–117.22).
- 210 shares at $117.45 — $24,665 (reported executed in multiple trades; price range reported 117.36–117.62).
- 614 shares at $119.35 — $73,281 (reported executed in multiple trades; price range reported 119.05–120.04).
- 32 shares at $120.23 — $3,847.
- These were sales (not purchases); sales are often routine and do not by themselves indicate insider sentiment.
Key Details
- Transaction date: April 10, 2026; Form 4 filed April 14, 2026 (within the typical two‑business‑day filing window).
- Total shares sold: 2,093; total proceeds ≈ $246,176.
- Reporting mechanics: Sales were executed in multiple trades for several line items; reported prices are weighted averages and the filing offers to provide trade‑by‑trade details on request.
- Rule 10b5‑1 plan: The sales were made pursuant to a 10b5‑1 trading plan adopted by Navratil on March 12, 2026 (pre‑set trading plan).
- Shares owned after transaction: Not specified in the provided excerpt. The filing notes inclusion of 39,791 restricted stock units that have not yet vested or been delivered to the reporting person.
Context
- A 10b5‑1 plan allows insiders to sell according to a pre‑arranged schedule and is commonly used to avoid trading based on material nonpublic information; it makes these transactions more likely to be routine rather than opportunistic.
- For retail investors, purchases by insiders tend to be more informative signals than sales; factual reporting of sales should be noted but not over‑interpreted without additional context.
Insider Transaction Report
Form 4
GLAUKOS CorpGKOS
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Transactions
- Sale
Common Stock
[F1][F2][F3]2026-04-10$116.72/sh−1,237$144,383→ 91,226 total - Sale
Common Stock
[F1][F4][F3]2026-04-10$117.45/sh−210$24,665→ 91,016 total - Sale
Common Stock
[F1][F5][F3]2026-04-10$119.35/sh−614$73,281→ 90,402 total - Sale
Common Stock
[F1][F3]2026-04-10$120.23/sh−32$3,847→ 90,370 total
Footnotes (5)
- [F1]The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 12, 2026.
- [F2]This transaction was executed in multiple trades at prices ranging from $116.35 to $117.22. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- [F3]Includes 39,791 restricted stock units that have not yet vested or been delivered to the Reporting Person.
- [F4]This transaction was executed in multiple trades at prices ranging from $117.36 to $117.62. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- [F5]This transaction was executed in multiple trades at prices ranging from $119.05 to $120.04. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Signature
Diana Scherer, Attorney-in-Fact|2026-04-14