CMPX Insider Trading

Insider Ownership Percentage: 29.80%
Insider Buying (Last 12 Months): $51,900.00
Insider Selling (Last 12 Months): $5,678,570.52

Compass Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Compass Therapeutics by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Compass Therapeutics Share Price & Price History

Current Price: $6.00
Price Change: Price Increase of +0.11 (1.87%)
As of 02/24/2026 05:00 PM ET

This chart shows the closing price history over time for CMPX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Compass Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
5/27/2025Thomas J. SchuetzCEOBuy10,000$2.11$21,100.006,480,825View SEC Filing Icon  
4/9/2025Carl L GordonDirectorSell3,571,428$1.59$5,678,570.52View SEC Filing Icon  
4/7/2025Jonathan AndermanInsiderBuy20,000$1.54$30,800.0021,000View SEC Filing Icon  
3/10/2023Thomas J. SchuetzCEOBuy10,000$3.37$33,700.006,021,873View SEC Filing Icon  
2/27/2023Thomas J. SchuetzCEOBuy20,000$3.98$79,600.006,011,873View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Compass Therapeutics (NASDAQ:CMPX)

68.43% of Compass Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CMPX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Compass Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/19/2026Invesco Ltd.63,901$0.34M0.0%+5.3%0.036%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd115,634$0.62M0.0%+582.2%0.065%Search for SEC Filing on Google Icon
2/18/2026Ikarian Capital LLC800,000$4.30M0.3%N/A0.450%Search for SEC Filing on Google Icon
2/18/2026Virtus Investment Advisers LLC51,556$0.28M0.1%N/A0.029%Search for SEC Filing on Google Icon
2/18/2026SummitTX Capital L.P.81,449$0.44M0.0%N/A0.046%Search for SEC Filing on Google Icon
2/18/2026Tang Capital Management LLC16,790,809$90.17M4.5%-0.1%9.440%Search for SEC Filing on Google Icon
2/18/2026Suvretta Capital Management LLC14,182,379$76.16M1.6%+0.6%7.974%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd12,293$66K0.0%-74.1%0.007%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC3,109,286$16.70M0.0%-4.0%1.748%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.1,593,275$8.56M0.0%-43.6%0.896%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC205,024$1.10M0.0%N/A0.115%Search for SEC Filing on Google Icon
2/18/2026BVF Inc. IL7,764,842$41.70M1.4%+63.5%4.366%Search for SEC Filing on Google Icon
2/17/2026Logos Global Management LP1,150,000$6.18M0.4%-43.9%0.647%Search for SEC Filing on Google Icon
2/17/2026ADAR1 Capital Management LLC139,000$0.75M0.1%+178.0%0.078%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC452,442$2.43M0.0%-5.0%0.254%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC155,218$0.83M0.0%+162.4%0.087%Search for SEC Filing on Google Icon
2/17/2026Braidwell LP2,786,778$14.97M0.5%N/A1.567%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC22,882$0.12M0.0%N/A0.013%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD70,488$0.38M0.0%+24.6%0.040%Search for SEC Filing on Google Icon
2/17/2026Rock Springs Capital Management LP3,927,202$21.09M1.1%-12.2%2.208%Search for SEC Filing on Google Icon
2/17/2026Adage Capital Partners GP L.L.C.4,436,500$23.82M0.0%-14.5%2.494%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.11,558$62K0.0%+48.5%0.006%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP77,281$0.42M0.0%-27.6%0.043%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board185,423$1M0.0%+347.9%0.104%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.53,427$0.29M0.0%N/A0.030%Search for SEC Filing on Google Icon
2/17/2026Persistent Asset Partners Ltd57,253$0.31M0.1%N/A0.032%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC126,192$0.68M0.0%+43.6%0.071%Search for SEC Filing on Google Icon
2/16/2026Sofinnova Investments Inc.3,365,446$18.07M0.7%+65.9%1.892%Search for SEC Filing on Google Icon
2/16/2026NEXTBio Capital Management LP1,114,005$5.98M3.5%N/A0.626%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC594,776$3.19M0.0%+167.4%0.334%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP1,263,647$6.79M0.0%N/A0.710%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 40,325$0.22M0.0%+21.6%0.023%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp23,973$0.13M0.0%N/A0.013%Search for SEC Filing on Google Icon
2/13/2026Rafferty Asset Management LLC151,743$0.82M0.0%+113.8%0.085%Search for SEC Filing on Google Icon
2/13/2026Birchview Capital LP1,592,938$8.55M5.0%+82.5%0.896%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.410,157$2.20M0.0%+22.3%0.231%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey35,503$0.19M0.0%+25.3%0.020%Search for SEC Filing on Google Icon
2/13/2026State Street Corp4,890,525$26.26M0.0%+57.4%2.750%Search for SEC Filing on Google Icon
2/13/2026Caitong International Asset Management Co. Ltd17,879$96K0.3%N/A0.010%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN144,798$0.78M0.0%+112.4%0.081%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC70,063$0.38M0.0%+57.5%0.039%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC73,985$0.40M0.0%+26.8%0.042%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP341,596$1.84M0.0%+94.6%0.192%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC13,163$71K0.0%N/A0.007%Search for SEC Filing on Google Icon
2/12/2026Alps Advisors Inc.146,040$0.78M0.0%+75.9%0.082%Search for SEC Filing on Google Icon
2/12/2026Monashee Investment Management LLC1,000,000$5.37M3.0%-20.0%0.562%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC288,924$1.55M0.0%+11.5%0.162%Search for SEC Filing on Google Icon
2/12/2026Xponance LLC10,201$55K0.0%N/A0.006%Search for SEC Filing on Google Icon
2/12/2026SmartHarvest Portfolios LLC34,715$0.19M0.1%N/A0.020%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG109,273$0.59M0.0%+14.1%0.061%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC44,470$0.24M0.0%+4.7%0.025%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.66,607$0.36M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/11/2026JPMorgan Chase & Co.870,014$4.67M0.0%-56.5%0.489%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.1,517,415$8.15M0.0%+46.0%0.853%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP41,378$0.22M0.1%N/A0.023%Search for SEC Filing on Google Icon
2/10/2026Welch & Forbes LLC19,000$0.10M0.0%+26.7%0.011%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC3,502,526$18.81M0.0%+19.0%1.969%Search for SEC Filing on Google Icon
2/9/2026Royce & Associates LP285,988$1.54M0.0%N/A0.161%Search for SEC Filing on Google Icon
2/9/2026Blue Owl Capital Holdings LP3,466,525$18.62M1.4%+33.8%1.949%Search for SEC Filing on Google Icon
2/6/2026Atle Fund Management AB584,332$3.14M1.0%N/A0.329%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC23,972$0.13M0.0%+41.0%0.013%Search for SEC Filing on Google Icon
2/2/2026CM Management LLC100,000$0.54M0.5%-33.3%0.056%Search for SEC Filing on Google Icon
1/30/2026Simplicity Wealth LLC33,869$0.18M0.0%-8.5%0.019%Search for SEC Filing on Google Icon
1/30/2026M&T Bank Corp14,894$80K0.0%N/A0.008%Search for SEC Filing on Google Icon
1/28/2026M&T Bank Corp764,229$4.10M0.0%N/A0.430%Search for SEC Filing on Google Icon
1/21/2026Flagship Harbor Advisors LLC6,000$32K0.0%N/A0.003%Search for SEC Filing on Google Icon
1/16/2026Tema Etfs LLC100,176$0.54M0.0%N/A0.056%Search for SEC Filing on Google Icon
1/12/2026Avanza Fonder AB27,347$0.15M0.0%N/A0.015%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC106,533$0.57M0.0%-28.7%0.060%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.1,999,278$7M0.0%-5.9%1.124%Search for SEC Filing on Google Icon
12/1/2025Cantor Fitzgerald L. P.80,000$0.28M0.0%-20.0%0.045%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.10,600$37K0.0%N/A0.006%Search for SEC Filing on Google Icon
11/17/2025Vivo Capital LLC9,545,466$33.41M2.7%+57.9%5.367%Search for SEC Filing on Google Icon
11/17/2025Sig Brokerage LP26,365$92K0.0%-27.6%0.015%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC3,237,572$11.33M0.0%+280.4%1.820%Search for SEC Filing on Google Icon
11/17/2025Focus Partners Wealth15,805$56K0.0%+16.2%0.009%Search for SEC Filing on Google Icon
11/17/2025Citadel Advisors LLC233,271$0.82M0.0%-1,981.2%0.131%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP45,877$0.16M0.0%N/A0.026%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE73,801$0.26M0.0%+126.7%0.041%Search for SEC Filing on Google Icon
11/17/2025Cantor Fitzgerald L. P.80,000$0.28M0.0%-20.0%0.045%Search for SEC Filing on Google Icon
11/17/2025Caxton Corp53,503$0.19M0.8%+23.1%0.030%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.104,160$0.37M0.0%-10.7%0.059%Search for SEC Filing on Google Icon
11/14/2025Creative Planning60,927$0.21M0.0%+430.5%0.034%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC476,291$1.67M0.0%N/A0.268%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC12,681$44K0.0%N/A0.009%Search for SEC Filing on Google Icon
11/14/2025Burkehill Global Management LP700,000$2.45M0.1%N/A0.506%Search for SEC Filing on Google Icon
11/14/2025ADAR1 Capital Management LLC50,000$0.18M0.0%+100.0%0.036%Search for SEC Filing on Google Icon
11/14/2025Acuta Capital Partners LLC840,090$2.94M3.0%N/A0.608%Search for SEC Filing on Google Icon
11/14/2025Balyasny Asset Management L.P.2,826,362$9.89M0.0%N/A2.044%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC87,853$0.31M0.0%+322.9%0.064%Search for SEC Filing on Google Icon
11/14/2025Suvretta Capital Management LLC14,101,159$49.35M1.3%+97.2%10.197%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG198,271$0.69M0.0%-24.8%0.143%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets19,523$68K0.0%+105.8%0.014%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.7,785$27K0.0%+3,933.7%0.006%Search for SEC Filing on Google Icon
11/13/2025CM Management LLC150,000$0.53M0.4%N/A0.108%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC222,418$0.78M0.0%-8.0%0.161%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP175,556$0.62M0.0%+1.9%0.127%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.12,652$44K0.0%+20.6%0.009%Search for SEC Filing on Google Icon
11/12/2025Monashee Investment Management LLC1,250,000$4.38M2.2%+657.6%0.904%Search for SEC Filing on Google Icon
11/12/2025Rafferty Asset Management LLC70,959$0.25M0.0%N/A0.051%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Compass Therapeutics logo
Compass Therapeutics, Inc., a clinical-stage oncology-focused biopharmaceutical company, engages in developing antibody-based therapeutics to treat various human diseases in the United States. The company's lead product candidates include CTX-009, a bispecific antibody that blocks Delta-like ligand 4 a ligand of Notch-1, and vascular endothelial growth factor A signaling pathways, which are critical to angiogenesis and tumor vascularization; and CTX-471, an IgG4 monoclonal antibody that is an agonist of CD137, a key co-stimulatory receptor on immune cells. It also develops CTX-8371, a bispecific inhibitor that targets PD-1 and PD-L1 checkpoint inhibitor antibodies. The company was founded in 2014 and is headquartered in Boston, Massachusetts.
Read More on Compass Therapeutics

Today's Range

Now: $6.00
Low: $5.84
High: $6.03

50 Day Range

MA: $5.79
Low: $4.91
High: $6.69

52 Week Range

Now: $6.00
Low: $1.33
High: $6.88

Volume

2,050,630 shs

Average Volume

2,271,096 shs

Market Capitalization

$1.07 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.46

Who are the company insiders with the largest holdings of Compass Therapeutics?

Compass Therapeutics' top insider investors include:
  1. Thomas J Schuetz (CEO)
  2. Jonathan Anderman (Insider)
  3. Carl L Gordon (Director)
Learn More about top insider investors at Compass Therapeutics.

Who are the major institutional investors of Compass Therapeutics?

Compass Therapeutics' top institutional shareholders include:
  1. Tang Capital Management LLC — 9.44%
  2. Suvretta Capital Management LLC — 7.97%
  3. BVF Inc. IL — 4.37%
  4. State Street Corp — 2.75%
  5. Adage Capital Partners GP L.L.C. — 2.49%
  6. Rock Springs Capital Management LP — 2.21%
Learn More about top institutional investors of Compass Therapeutics stock.

Which major investors are selling Compass Therapeutics stock?

In the last quarter, CMPX stock was sold by these institutional investors:
  1. Balyasny Asset Management L.P.
  2. JPMorgan Chase & Co.
  3. Logos Global Management LP
  4. Adage Capital Partners GP L.L.C.
  5. Rock Springs Capital Management LP
  6. Monashee Investment Management LLC
  7. Millennium Management LLC
  8. CM Management LLC

Which major investors are buying Compass Therapeutics stock?

In the last quarter, CMPX stock was bought by institutional investors including:
  1. BVF Inc. IL
  2. Braidwell LP
  3. State Street Corp
  4. Sofinnova Investments Inc.
  5. Marshall Wace LLP
  6. NEXTBio Capital Management LP
  7. Blue Owl Capital Holdings LP
  8. Ikarian Capital LLC
In the previous year, these company insiders have bought Compass Therapeutics stock:
  1. Thomas J Schuetz (CEO)
  2. Jonathan Anderman (Insider)
Learn More investors buying Compass Therapeutics stock.