GLAUKOS Corp (GKOS) has 123 open-market insider trades by 19 insiders since 2015. Over the last six months insiders net sold $18.3M. The most active filer is Joseph E. Gilliam, President & COO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Jonathan Silverstein | Dir | — | 19 | $199.9M | 2018-03-06 |
| Thomas William Burns | CEOChairman | — | 20 | $76.5M | 2026-06-25 |
| Samuel D. Isaly | Dir | — | 5 | $50.1M | 2017-09-05 |
| Joseph E. Gilliam | PresCOO | — | 27 | $43.2M | 2026-08-11 |
| Gilbert H. Kliman | Dir | — | 12 | $37.9M | 2026-08-19 |
| OrbiMed Capital GP III LLC | Dir | — | 3 | $34.1M | 2017-08-16 |
| Orbimed Advisors LLC | Dir | — | 1 | $26.8M | 2018-03-06 |
| Chris M. Calcaterra | COO | — | 11 | $20.6M | 2022-03-24 |
| William J. Link Ph.D. | Dir | — | 4 | $14.1M | 2021-06-03 |
| Mark J. Foley | Dir | — | 2 | $5.8M | 2026-05-28 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Tomas Navratil | — | Sell | $251K | 2026-10-05 |
| Tomas Navratil | — | Sell | $249K | 2026-09-25 |
| Tomas Navratil | — | Sell | $243K | 2026-09-16 |
| Tomas Navratil | — | Sell | $2.5M | 2026-08-28 |
| Gilbert H. Kliman | Director | Sell | $475K | 2026-08-19 |
| Joseph E. Gilliam | President & COO | Sell | $10.8M | 2026-08-11 |
Companies that share insiders with GKOS, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Alex R. Thurman | CFO & VP | Sell | $3.6M | 2026-08-07 |
| Leana Wen | Director | Sell | $88K | 2026-07-31 |
| Alex R. Thurman | CFO & VP | Sell | $1.6M | 2026-07-16 |
| Alex R. Thurman | CFO & VP | Sell | $1.6M | 2026-07-09 |
| Alex R. Thurman | CFO & VP | Sell | $1.5M | 2026-07-06 |
| Tomas Navratil | — | Sell | $100K | 2026-07-01 |
| Tomas Navratil | — | Sell | $201K | 2026-06-16 |
| Gilbert H. Kliman | Director | Sell | $704K | 2026-05-14 |
| Gilbert H. Kliman | Director | Sell | $675K | 2026-05-11 |