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sellWeak cluster of 2

Gilbert H Kliman sold $288k of GKOS

director at GLAUKOS Corp. 2,000 shares at an average of $144.01, traded Dec 11, 2024, filed Dec 13, 2024.

Warning score
22
Value
$288k
2,000 shares
Holdings after
32,336
-6% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $288k at market
    +14
  • Share of holdings sold
    Sold 5.8% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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.

GKOSOct 9, 2026 · close 165.69
Since filing Dec 13, 2024: +19.3%SPY +31.8% · excess -12.6%

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 0001415889-24-029374, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 11, 2024MOption exercise
Common Stock
+2,000$32.00$64k34,336Dec 13, 2024
Dec 11, 2024SOpen-market sale
Common Stock
-2,000$144.01$288k32,336Dec 13, 2024
Dec 11, 2024MOption exercise
Stock Option (Right to Buy)derivative
-2,000$0.00$010,000Dec 13, 2024

Related signals

Other insiders at GLAUKOS Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
8Weak
GKOSsell10b5-1
GLAUKOS Corp
Tomas Navratil
CHIEF DEVELOPMENT OFFICER
$251k
1,527 shares
-2%
8Weak
GKOSsell10b5-1
GLAUKOS Corp
Tomas Navratil
CHIEF DEVELOPMENT OFFICER
$249k
1,615 shares
-2%
8Weak
GKOSsell10b5-1
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%
32Weak
GKOSsell 2
GLAUKOS Corp
Gilbert H Kliman
director
$536k
5,000 shares
-13%
23Weak
GKOSsell 310b5-1
GLAUKOS Corp
Alex R. Thurman
SVP & CHIEF FINANCIAL OFFICER
$33k
315 shares
-1%
58Moderate
GKOSsell 2
GLAUKOS Corp
Joseph E Gilliam
PRESIDENT & COO
$1.7M
19,340 shares
-17%
1Weak
GKOSsell10b5-1
GLAUKOS Corp
Tomas Navratil
CHIEF DEVELOPMENT OFFICER
$44k
517 shares
-1%
12Weak
GKOSsell10b5-1
GLAUKOS Corp
Tomas Navratil
CHIEF DEVELOPMENT OFFICER
$454k
5,142 shares
-6%
13Weak
GKOSsell10b5-1
GLAUKOS Corp
Alex R. Thurman
SVP & CHIEF FINANCIAL OFFICER
$162k
1,520 shares
-3%

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.

Gilbert H Kliman sold $288k of GKOS | InsiderTell