Alex R. Thurman sold $160k of GKOS
SVP & CHIEF FINANCIAL OFFICER at GLAUKOS Corp. 1,521 shares at an average of $105.24, traded Mar 24, 2026, filed Mar 25, 2026.
Score components
- +22RoleCFO
- +11Trade size$160k at market
- 0Share of holdings soldSold 3.2% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +10.8%, 3m +25.7%, 6m +40.0%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001920061-26-000004, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 23, 2026 | FTax withholding Common Stock10b5-1 | -1,230 | $106.84 | $131k | 48,019 | Mar 25, 2026 |
| Mar 24, 2026 | SOpen-market sale Common Stock10b5-1 | -1,521 | $105.24 | $160k | 46,498 | Mar 25, 2026 |
| Mar 24, 2026 | FTax withholding Common Stock10b5-1 | -2,020 | $105.23 | $213k | 44,478 | Mar 25, 2026 |
Related signals
Other insiders at GLAUKOS Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 8Weak | GLAUKOS Corp | Tomas Navratil CHIEF DEVELOPMENT OFFICER | $251k 1,527 shares | -2% | |
| 8Weak | GLAUKOS Corp | Tomas Navratil CHIEF DEVELOPMENT OFFICER | $249k 1,615 shares | -2% | |
| 8Weak | GLAUKOS Corp | Tomas Navratil CHIEF DEVELOPMENT OFFICER | $243k 1,457 shares | -2% | |
| 53Moderate | GLAUKOS Corp | Tomas Navratil CHIEF DEVELOPMENT OFFICER | $2.5M 13,744 shares | -16% | |
| 33Weak | GLAUKOS Corp | Gilbert H Kliman director | $475k 2,500 shares | -6% | |
| 55Moderate | GLAUKOS Corp | Joseph E Gilliam PRESIDENT & COO | $11M 60,000 shares | -45% | |
| 37Weak | GLAUKOS Corp | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | $3.6M 20,000 shares | -31% | |
| 39Weak | GLAUKOS Corp | Leana Wen director | $88k 525 shares | -2% | |
| 17Weak | GLAUKOS Corp | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | $1.6M 10,000 shares | -19% | |
| 25Weak | GLAUKOS Corp | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | $1.6M 10,000 shares | -19% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.