InsiderFlow

CMPX

Compass Therapeutics, Inc.$2.04+0.03 (+1.49%)
Prev Close$2.01·MCap$282.1M·P/E·Vol1.50M·Yield

Buys (12M)

2

$75.6K

Sells (12M)

3

$702.1K

Net Activity

Net Seller

$626.5K

Active Insiders

3

last 12 mo

Over the past 12 months, insider activity at Compass Therapeutics, Inc. (CMPX) has been dominated by selling, with 2 insider purchases totaling $75.6K and 3 insider sales totaling $702.1K. The most recent insider transaction was by Lerner Neil (officer: Chief Accounting Officer), who purchased $28.4K worth of shares on Apr 30, 2026. Compass Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $282.1M.

CMPX Insider Trading Activity

DateInsiderTypeValue
Apr 30, 2026 Lerner NeilBuy$28.4K
Apr 30, 2026 Anderman JonathanBuy$47.3K
Feb 8, 2026 Schuetz Thomas J.Sell$239.2K
Jan 9, 2026 Schuetz Thomas J.Sell$250.3K
Nov 16, 2025 Schuetz Thomas J.Sell$212.6K
May 27, 2025 Schuetz Thomas J.Buy$21.1K
Apr 9, 2025 GORDON CARL LSell$5.68M2.6% OS
Apr 7, 2025 Anderman JonathanBuy$30.8K
Apr 7, 2025 Lerner NeilBuy$28.4K
Mar 10, 2023 Schuetz Thomas J.Buy$33.7K
Feb 27, 2023 Schuetz Thomas J.Buy$79.6K
Feb 15, 2023 Schuetz Thomas J.Buy$77.2K
Jan 31, 2023 Schuetz Thomas J.Buy$81.0K
Jan 24, 2023 Schuetz Thomas J.Buy$83.8K
Nov 25, 2022 Bisker-Leib VeredSell$103.7K
Nov 22, 2022 Bisker-Leib VeredSell$97.0K
Nov 10, 2022 ORBIMED ADVISORS LLCBuy$1.29M
Sep 28, 2022 Schuetz Thomas J.Buy$23.2K
Sep 27, 2022 Schuetz Thomas J.Buy$34.0K
Sep 8, 2022 Schuetz Thomas J.Buy$45.5K
Sep 1, 2022 Schuetz Thomas J.Buy$42.5K
Aug 17, 2022 Schuetz Thomas J.Buy$45.8K
Aug 10, 2022 Schuetz Thomas J.Buy$39.6K
Aug 2, 2022 Schuetz Thomas J.Buy$38.7K
Jun 21, 2022 Schuetz Thomas J.Buy$56.0K
Jun 17, 2022 Schuetz Thomas J.Buy$46.8K
Jun 13, 2022 Schuetz Thomas J.Buy$68.7K
Jun 7, 2022 Schuetz Thomas J.Buy$84.9K
Jun 1, 2022 Schuetz Thomas J.Buy$60.6K
May 26, 2022 Schuetz Thomas J.Buy$60.8K
May 24, 2022 Schuetz Thomas J.Buy$49.9K
May 17, 2022 Schuetz Thomas J.Buy$49.9K
May 13, 2022 GORDON CARL LBuy$420.5K
May 10, 2022 ORBIMED ADVISORS LLCBuy$197.3K
May 10, 2022 Schuetz Thomas J.Buy$50.1K
Nov 8, 2021 GORDON CARL LBuy$18.75M3.9% OS

CMPX Insider Buying Activity

The following table shows recent insider purchases of Compass Therapeutics, Inc. (CMPX) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Apr 30, 2026 Lerner NeilBuy$28.4K
Apr 30, 2026 Anderman JonathanBuy$47.3K
May 27, 2025 Schuetz Thomas J.Buy$21.1K
Apr 7, 2025 Anderman JonathanBuy$30.8K
Apr 7, 2025 Lerner NeilBuy$28.4K
Mar 10, 2023 Schuetz Thomas J.Buy$33.7K
Feb 27, 2023 Schuetz Thomas J.Buy$79.6K
Feb 15, 2023 Schuetz Thomas J.Buy$77.2K
Jan 31, 2023 Schuetz Thomas J.Buy$81.0K
Jan 24, 2023 Schuetz Thomas J.Buy$83.8K
Nov 10, 2022 ORBIMED ADVISORS LLCBuy$1.29M
Sep 28, 2022 Schuetz Thomas J.Buy$23.2K
Sep 27, 2022 Schuetz Thomas J.Buy$34.0K
Sep 8, 2022 Schuetz Thomas J.Buy$45.5K
Sep 1, 2022 Schuetz Thomas J.Buy$42.5K
Aug 17, 2022 Schuetz Thomas J.Buy$45.8K
Aug 10, 2022 Schuetz Thomas J.Buy$39.6K
Aug 2, 2022 Schuetz Thomas J.Buy$38.7K
Jun 21, 2022 Schuetz Thomas J.Buy$56.0K
Jun 17, 2022 Schuetz Thomas J.Buy$46.8K
Jun 13, 2022 Schuetz Thomas J.Buy$68.7K
Jun 7, 2022 Schuetz Thomas J.Buy$84.9K
Jun 1, 2022 Schuetz Thomas J.Buy$60.6K
May 26, 2022 Schuetz Thomas J.Buy$60.8K
May 24, 2022 Schuetz Thomas J.Buy$49.9K
May 17, 2022 Schuetz Thomas J.Buy$49.9K
May 13, 2022 GORDON CARL LBuy$420.5K
May 10, 2022 ORBIMED ADVISORS LLCBuy$197.3K
May 10, 2022 Schuetz Thomas J.Buy$50.1K
Nov 8, 2021 GORDON CARL LBuy$18.75M3.9% OS

CMPX Insider Selling Activity

The following table shows recent insider sales of Compass Therapeutics, Inc. (CMPX) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Feb 8, 2026 Schuetz Thomas J.Sell$239.2K
Jan 9, 2026 Schuetz Thomas J.Sell$250.3K
Nov 16, 2025 Schuetz Thomas J.Sell$212.6K
Apr 9, 2025 GORDON CARL LSell$5.68M2.6% OS
Nov 25, 2022 Bisker-Leib VeredSell$103.7K
Nov 22, 2022 Bisker-Leib VeredSell$97.0K

CMPX Insiders

Anderman Jonathan

officer: General Counsel

Bought $78.0K
2 tradesLast: Apr 30, 2026
Lerner Neil

officer: Chief Accounting Officer

Bought $56.8K
2 tradesLast: Apr 30, 2026
Schuetz Thomas J.

CHIEF EXECUTIVE OFFICER

Bought $1.17MSold $702.1K
25 tradesLast: Feb 8, 2026
GORDON CARL L

Director

Bought $19.17MSold $5.68M
3 tradesLast: Apr 9, 2025
Bisker-Leib Vered

Chief Operating Officer

Sold $200.7K
2 tradesLast: Nov 25, 2022
ORBIMED ADVISORS LLC

Director

Bought $1.49M
2 tradesLast: Nov 10, 2022