Joseph E. Gilliam, PRESIDENT & COO at GLAUKOS Corp (GKOS), sold 4,502 shares at $124.65 ($561K) on 2026-01-21, disclosed to the SEC on 2026-01-23.
Seasonal sale ($561k) by PRESIDENT & COO — this insider has traded GKOS in January in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| GKOS | SELL | 2026-01-26 | $1.3M | — | Filing → |
| GKOS | SELL | 2025-11-20 | $1.7M | — | Filing → |
| GKOS | SELL | 2024-12-23 | $997K | — | Filing → |