Thurman Alex R. Insider Trading Activity
Thurman Alex R. has been net-selling over the last 12 months with 0 purchases and 6 sales across 1 company.
GKOS is the most-traded position with 6 trades. The largest single transaction was a sale of GKOS for $1.6M on Jul 16, 2026.
Performance Scorecard
Forward stock performance after each transaction by Thurman Alex R.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -7.2% | 20% | 5 |
| 90 days | — | -25.1% | 0% | 4 |
| 120 days | — | -37.7% | 0% | 4 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersGKOS · GLAUKOS Corp
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Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jul 16, 2026 Filed 3d late | GKOS | Sell | 10,000 | $160.00 | $1.6M | −18.6% | CFO | |
Apr 30, 2026 | GKOS | Sell | 10,000 | $140.00 | $1.4M | −18.6% | CFO | |
Mar 25, 2026 | GKOS | Sell | 2,511 | $106.46 | $267K | −5.6% | CFO | |
Mar 24, 2026 | GKOS | Sell | 1,521 | $105.24 | $160K | −3.2% | CFO | |
Mar 17, 2026 | GKOS | Sell | 625 | $99.15 | $62K | −1.3% | CFO | |
Nov 25, 2025 | GKOS | Sell | 315 | $105.00 | $33K | −0.6% | CFO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| GKOS | GLAUKOS Corp | 6 | $3.5M |
Other insiders at GLAUKOS Corp
5 other tracked filers at GKOS.