Alex R. Thurman is CFO & VP at GLAUKOS Corp (GKOS). They have made 1 open-market trade across 1 company since 2023, most recently 2026-08-07.
CIK 0001920061
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 1 sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| GKOS | 43,906 | $7.2M |
Shares reported on the most recent Form 4, priced at the 2026-08-11 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GKOS | SELL · 10b5-1 | 2026-08-07 | 2026-08-11 | $180.13 | $3.6M | +2.8% | -5.4% | — |
| GKOS | SELL · 10b5-1 | 2026-07-16 | 2026-07-21 | $160.00 | $1.6M | +9.4% | +20.9% | — |
| GKOS | SELL · 10b5-1 | 2026-07-09 | 2026-07-13 | $155.00 | $1.6M | +2.7% | +25.7% | +13.2% |
| GKOS | SELL · 10b5-1 | 2026-07-06 | 2026-07-08 | $150.00 | $1.5M | +1.6% | +17.6% | +5.6% |
| GKOS | SELL · 10b5-1 | 2026-04-30 | 2026-05-04 | $140.00 | $1.4M | +4.1% | -16.7% | +25.6% |
| GKOS | SELL · 10b5-1 | 2026-03-25 | 2026-03-27 | $106.46 | $267K | +15.4% | +18.0% | +37.7% |
| GKOS | SELL · 10b5-1 | 2026-03-24 | 2026-03-25 | $105.24 | $160K | +6.0% | +12.0% | +24.2% |
| GKOS | SELL · 10b5-1 | 2026-03-17 | 2026-03-19 | $99.15 | $62K | +3.0% | +19.2% | +21.8% |
| GKOS | SELL · 10b5-1 | 2025-11-25 | 2025-11-26 | $105.00 | $33K | +1.8% | +10.7% | +13.5% |
| GKOS | SELL · 10b5-1 | 2025-03-25 | 2025-03-27 | $106.73 | $275K | -19.8% | -8.5% | -3.2% |
| GKOS | SELL · 10b5-1 | 2024-05-10 | 2024-05-14 | $110.51 | $39K | -3.0% | +1.2% | +8.2% |
| GKOS | SELL · 10b5-1 | 2024-05-06 | 2024-05-08 | $110.26 | $10K | +2.2% | +6.5% | +9.2% |
| GKOS | SELL · 10b5-1 | 2024-05-02 | 2024-05-06 | $105.69 | $47K | +5.3% | +9.4% | +8.4% |
| GKOS | SELL · 10b5-1 | 2024-04-05 | 2024-04-09 | $100.15 | $287K | -2.7% | +8.6% | +23.6% |
| GKOS | SELL · 10b5-1 | 2024-04-03 | 2024-04-05 | $95.03 | $71K | -0.5% | +7.9% | +25.1% |
| GKOS | SELL · 10b5-1 | 2024-04-02 | 2024-04-03 | $90.37 | $43K | +2.0% | +12.2% | +25.3% |
| GKOS | SELL · 10b5-1 | 2024-02-07 | 2024-02-09 | $95.74 | $56K | -4.9% | -9.7% | +11.9% |
| GKOS | SELL · 10b5-1 | 2024-01-18 | 2024-01-22 | $90.54 | $53K | -1.7% | -0.7% | +5.8% |
| GKOS | SELL · 10b5-1 | 2023-12-21 | 2023-12-22 | $85.14 | $50K | -1.1% | +16.5% | +9.4% |
| GKOS | SELL | 2023-12-15 | 2023-12-18 | $79.80 | $101K | -0.4% | +12.0% | +7.1% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.