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sellNotable cluster of 2

Orbimed Advisors LLC sold $5.7M of CMPX

director, owner at Compass Therapeutics, Inc.. 3,571,428 shares at an average of $1.59, traded Apr 9, 2025, filed Apr 11, 2025.

Warning score
68
Value
$5.7M
3,571,428 shares
Holdings after
0
-100% from before
From 52-week low
+30%
low $1.35, close $1.75
From 52-week high
-55%
high $3.90, as of Apr 9, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $5.7M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8

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.

CMPXOct 9, 2026 · close 0.99
Since filing Apr 11, 2025: -41.4%SPY +48.2% · excess -89.7%

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 0000947871-25-000384, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 9, 2025SOpen-market sale
Common Stockindirect: See footnotes
-3,571,428$1.59$5.7M0Apr 11, 2025

Related signals

Other insiders at Compass Therapeutics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
41Moderate
CMPXbuy
Compass Therapeutics, Inc.
Neil Lerner
Chief Accounting Officer
$18k
20,000 shares
+5%
28Weak
CMPXbuy
Compass Therapeutics, Inc.
Neil Lerner
Chief Accounting Officer
$2,850
2,500 shares
+1%
28Weak
CMPXbuy
Compass Therapeutics, Inc.
Thomas J. Schuetz
CHIEF EXECUTIVE OFFICER
$21k
10,000 shares
+0%
68Notable
CMPXsell 2
Compass Therapeutics, Inc.
Carl L Gordon
director, owner
$5.7M
3,571,428 shares
-100%
46Moderate
CMPXbuy 2
Compass Therapeutics, Inc.
Jonathan Anderman
Gen Counsel & Corporate Sec
$31k
20,000 shares
+2000%
39Weak
CMPXbuy 2
Compass Therapeutics, Inc.
Neil Lerner
CHIEF ACCOUNTING OFFICER
$28k
20,000 shares
+7%

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.

Orbimed Advisors LLC sold $5.7M of CMPX | InsiderTell