Company Form 4
GLAUKOS Corp (GKOS) Insider Trading Activity
Recent Form 4 filings for GLAUKOS Corp, grouped by transaction type, insider role, shares, value, and current-window signal.
Latest filing2026-08-13
Insider buys0
Insider sells2
Reported value$14M
Current Window Interpretation
GLAUKOS Corp has 6 Form 4 rows in the current 10-day generated window. The read is sale-heavy current window, with 0 buy rows, 2 sale rows, 0 grant rows, and $14M in reported transaction value.
Key Insider Activity
Largest buy N/A
No current-window buy row.
Largest sell $5.8M
Gilliam Joseph E · 32,037 shares
Total shares 120,000
Across all current-window rows.
Latest Insider Transactions
Sorted by transaction date and reported value.
| Date | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 2026-08-112026-08-13 | Gilliam Joseph EPRESIDENT & COO | Open-market sale | 32,037 | $5.8MPrice $180 |
| 2026-08-112026-08-13 | Gilliam Joseph EPRESIDENT & COO | Open-market sale | 27,963 | $5MPrice $179 |
| 2026-08-112026-08-13 | Gilliam Joseph EPRESIDENT & COO | Option exercise | 10,000 | $484,600Price $48 |
| 2026-08-112026-08-13 | Gilliam Joseph EPRESIDENT & COO | Option exercise | 10,000 | $484,600Price $48 |
| 2026-08-112026-08-13 | Gilliam Joseph EPRESIDENT & COO | Option exercise | 20,000 | $1.1MPrice $55 |
| 2026-08-112026-08-13 | Gilliam Joseph EPRESIDENT & COO | Option exercise | 20,000 | $1.1MPrice $55 |