Marc Stapley sold $1.9M of GKOS
director at GLAUKOS Corp. 15,000 shares at an average of $127.71, traded Jan 22, 2026, filed Jan 26, 2026.
Score components
- +15RoleDirector
- +25Trade size$1.9M at market
- +10Share of holdings soldSold 29% of holdings
- +15Cluster3 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -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.
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 0001539796-26-000004, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 22, 2026 | MOption exercise Common Stock10b5-1 | +15,000 | $24.69 | $370k | 52,449 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -3,812 | $126.07 | $481k | 48,637 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -3,892 | $126.96 | $494k | 44,745 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -1,671 | $127.92 | $214k | 43,074 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -4,325 | $129.11 | $558k | 38,749 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -1,300 | $129.78 | $169k | 37,449 | Jan 26, 2026 |
| Jan 22, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -15,000 | $0.00 | $0 | 0 | Jan 26, 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% | |
| 45Moderate | GKOSsell GLAUKOS Corp | Tomas Navratil CHIEF DEVELOPMENT OFFICER | $2.5M 13,744 shares | -16% | |
| 23Weak | GLAUKOS Corp | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | $267k 2,511 shares | -6% | |
| 21Weak | GLAUKOS Corp | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | $160k 1,521 shares | -3% | |
| 13Weak | GLAUKOS Corp | Tomas Navratil CHIEF DEVELOPMENT OFFICER | $101k 1,031 shares | -1% | |
| 17Weak | GLAUKOS Corp | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | $62k 625 shares | -1% | |
| 35Weak | GKOSsell GLAUKOS Corp | Aimee S Weisner director | $1.8M 15,000 shares | -44% | |
| 30Weak | GLAUKOS Corp | Joseph E Gilliam PRESIDENT & COO | $1.3M 10,498 shares | -10% |
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.