Joseph E Gilliam sold $1.3M of GKOS
PRESIDENT & COO at GLAUKOS Corp. 10,498 shares at an average of $127.68, traded Jan 22, 2026, filed Jan 26, 2026.
Score components
- +20RolePresident
- +25Trade size$1.3M at market
- +5Share of holdings soldSold 10% 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 0001705850-26-000004, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 22, 2026 | MOption exercise Common Stock10b5-1 | +10,498 | $55.18 | $579k | 102,864 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -2,406 | $126.10 | $303k | 100,458 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -3,100 | $127.03 | $394k | 97,358 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -1,798 | $128.07 | $230k | 95,560 | Jan 26, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -3,194 | $129.28 | $413k | 92,366 | Jan 26, 2026 |
| Jan 22, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -7,398 | $55.18 | $408k | 55,013 | Jan 26, 2026 |
| Jan 22, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -3,100 | $55.18 | $171k | 30,713 | 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 | Marc Stapley director | $1.9M 15,000 shares | -29% |
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.