Joseph E Gilliam sold $11M of GKOS
PRESIDENT & COO at GLAUKOS Corp. 60,000 shares at an average of $179.74, traded Aug 11, 2026, filed Aug 13, 2026.
Score components
- +20RolePresident
- +25Trade size$10.8M at market
- +10Share of holdings soldSold 45% of holdings
- +15Cluster4 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
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 0001705850-26-000022, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 11, 2026 | MOption exercise Common Stock | +10,000 | $48.46 | $485k | 82,588 | Aug 13, 2026 |
| Aug 11, 2026 | MOption exercise Common Stock | +20,000 | $55.18 | $1.1M | 102,588 | Aug 13, 2026 |
| Aug 11, 2026 | MOption exercise Common Stock | +20,000 | $55.18 | $1.1M | 122,588 | Aug 13, 2026 |
| Aug 11, 2026 | MOption exercise Common Stock | +10,000 | $48.46 | $485k | 132,588 | Aug 13, 2026 |
| Aug 11, 2026 | SOpen-market sale Common Stock | -27,963 | $178.89 | $5.0M | 104,625 | Aug 13, 2026 |
| Aug 11, 2026 | SOpen-market sale Common Stock | -32,037 | $180.49 | $5.8M | 72,588 | Aug 13, 2026 |
| Aug 11, 2026 | MOption exercise Stock Option (Right to Buy)derivative | -20,000 | $0.00 | $0 | 51,475 | Aug 13, 2026 |
| Aug 11, 2026 | MOption exercise Stock Option (Right to Buy)derivative | -20,000 | $0.00 | $0 | 33,118 | Aug 13, 2026 |
| Aug 11, 2026 | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 26,751 | Aug 13, 2026 |
| Aug 11, 2026 | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 26,751 | Aug 13, 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% | |
| 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% | |
| 13Weak | GLAUKOS Corp | Tomas Navratil CHIEF DEVELOPMENT OFFICER | $100k 716 shares | -1% |
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.