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CMPX insider trading

Compass Therapeutics, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
5
Bought · 24 mo
$156k
Buys · last 90 days
0 · $0
Most recent buy
2026-04-30

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-04-30Lerner Neil
Chief Accounting Officer
Bought15,000$1.89$28k
2026-04-30Anderman Jonathan
General Counsel
Bought25,000$1.89$47k
2025-05-27Schuetz Thomas J.
CHIEF EXECUTIVE OFFICER
Bought10,000$2.11$21k
2025-04-11GORDON CARL L
Director · 10% owner
Sold3,571,428$1.59$5.7M
2025-04-11ORBIMED ADVISORS LLC
Director · 10% owner
Sold3,571,428$1.59$5.7M
2025-04-08Anderman Jonathan
Gen Counsel & Corporate Sec
Bought20,000$1.54$31k
2025-04-08Lerner Neil
CHIEF ACCOUNTING OFFICER
Bought20,000$1.42$28k

Most active insider buyers

InsiderRoleBuysTotal bought
Anderman JonathanGeneral Counsel2$78k
Lerner NeilChief Accounting Officer2$57k
Schuetz Thomas J.CHIEF EXECUTIVE OFFICER1$21k

See CMPX on the chart

Every insider buy and sell for CMPX plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.