Glaukos (GKOS) insider trading in the last 6 months

Form 4 filings, newest first

Quality Score today 16

4 insiders sold $15.2M. No buys.

SellTomas Navratil$1.4MChief Development Officerat $180.25 on Aug 28, filed Sep 1

SellTomas NavratilChief Development Officer$1.4Mat $180.25 on Aug 28, filed Sep 1

SellTomas Navratil$1.1MChief Development Officerat $181.19 on Aug 28, filed Sep 1

SellTomas NavratilChief Development Officer$1.1Mat $181.19 on Aug 28, filed Sep 1

SellTomas Navratil$2KChief Development Officerat $182.50 on Aug 28, filed Sep 1

SellTomas NavratilChief Development Officer$2Kat $182.50 on Aug 28, filed Sep 1

From SEC Form 4s, the newest filed Sep 1, 2026 · Insiders have 2 business days to file a trade

6 more filings on GKOS in the last 6 months, for Pro members. See them free →

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Who files at Glaukos

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Questions about GKOS's insider trades

As of Nov 3, 2026: Glaukos (GKOS) has 9 insider filings on record in the last 6 months, the newest filed Sep 1, 2026. Its Quality Score is 16 (Excellent). Scores as of 7:49 PM ET, 15 minutes behind.

Are GKOS insiders buying or selling?

4 insiders sold $15.2M across 9 filings in the last 6 months. No open-⁠market buys on record. The newest filing: Tomas Navratil, Chief Development Officer, sold $1.4M on Aug 28, 2026.

Who are GKOS's biggest insider sellers?

By the dollars of their sales in the last 6 months: Joseph E. Gilliam (President & COO), 2 sales; Tomas Navratil (Chief Development Officer), 3 sales; Gilbert H. Kliman (Director), 3 sales. 4 insiders sold in all.

When did a GKOS insider last buy?

No GKOS insider bought shares on the open market in the last 6 months, as filed on Form 4. The newest filing is a sale by Tomas Navratil on Aug 28, 2026.

Glaukos's page has its Quality Score, its chart, and its earnings. More in Healthcare and Medical Devices.