| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in GKOS over the last quarter tilts toward selling: insiders offloaded a net 101,368 shares worth roughly $18.2M. In the past 30 days, 0 insiders bought and 1 sold.
On the other side, 1 insider reduced a position over the period. GKOS sits in the Health Care Equipment & Supplies industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Other | 69.6K | $11.47M | -1,527 | |
| CEO | 69.0K | $9.83M | - | |
| Dir | 49.5K | - | - | |
| Dir | 39.3K | - | - | |
| Dir | 37.4K | $7.11M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | Navratil Tomas59 | Chief Development Officer | Sell | 1,527 | $164.45 | $251,120.10 | -2.2% | - | - | |
| Sep 25, 2026 | Navratil Tomas59 | Chief Development Officer | Sell | 1,615 | $154.28 | $249,158.46 | -2.2% | - | - | |
| Sep 16, 2026 | Navratil Tomas59 | Chief Development Officer | Sell | 1,457 | $166.92 | $243,203.90 | -2.0% | - | - | |
| Aug 28, 2026 | Navratil Tomas59 | Chief Development Officer | Sell | 13,744 | $180.67 | $2,483,104.04 | -15.7% | - | - | |
| Aug 19, 2026 | Kliman Gilbert H64 | Director | Sale+OE | 2,500 | $190.00 | $475,000.00 | -6.3% | - | - | |
| Aug 11, 2026 | Gilliam Joseph E55 | President &COO | Sale+OE | 60,000 | $179.74 | $10,784,659.20 | -45.3% | - | - | |
| Aug 7, 2026 | Thurman Alex R.50 | SVP &Chief Financial Officer | Sale+OE | 20,000 | $180.13 | $3,602,600.00 | -31.3% | - | - | |
| Jul 31, 2026 | Wen Leana | Director | Sell | 525 | $167.63 | $88,005.75 | -2.4% | - | - | |
| Jul 16, 2026 | Thurman Alex R.50 | SVP &Chief Financial Officer | Sale+OE | 10,000 | $160.00 | $1,600,000.00 | -18.6% | +8.0% | - | |
| Jul 9, 2026 | Thurman Alex R.50 | SVP &Chief Financial Officer | Sale+OE | 10,000 | $155.00 | $1,550,000.00 | -18.6% | +11.0% | - |