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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.

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Compass Therapeutics Share Price & Price History

Current Price: $5.54
Price Change: ▲ Price Increase of +0.26 (4.92%)
As of 12/4/2025 05:00 PM ET

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

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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  
2/15/2023Thomas J. SchuetzCEOBuy20,000$3.86$77,200.005,991,873View SEC Filing Icon  
1/31/2023Thomas J. SchuetzCEOBuy20,000$4.05$81,000.005,471,873View SEC Filing Icon  
1/24/2023Thomas J. SchuetzCEOBuy20,000$4.19$83,800.005,451,873View SEC Filing Icon  
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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.

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Compass Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
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
11/12/2025Intech Investment Management LLC38,936$0.14M0.0%-12.0%0.028%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.7,062,799$24.72M0.0%+45.6%5.108%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.1,999,278$7M0.0%-5.9%1.446%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers139,313$0.49M0.0%+22.8%0.101%Search for SEC Filing on Google Icon
11/6/2025Profund Advisors LLC16,468$58K0.0%N/A0.012%Search for SEC Filing on Google Icon
11/5/2025Alps Advisors Inc.83,007$0.29M0.0%+11.3%0.060%Search for SEC Filing on Google Icon
11/4/2025Welch & Forbes LLC15,000$52K0.0%N/A0.011%Search for SEC Filing on Google Icon
10/30/2025Simplicity Wealth LLC37,034$0.13M0.0%-56.2%0.027%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC149,313$0.52M0.0%-59.9%0.108%Search for SEC Filing on Google Icon
10/17/2025Apollon Wealth Management LLC10,015$35K0.0%N/A0.007%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC17,214$60K0.0%-36.6%0.012%Search for SEC Filing on Google Icon
8/19/2025Marex Group plc23,600$61K0.0%N/A0.017%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE32,549$85K0.0%-91.5%0.024%Search for SEC Filing on Google Icon
8/15/2025Adage Capital Partners GP L.L.C.4,424,868$11.51M0.0%+11.3%3.200%Search for SEC Filing on Google Icon
8/14/2025MPM Bioimpact LLC5,622,505$14.62M2.5%-33.4%4.066%Search for SEC Filing on Google Icon
8/14/2025Orbimed Advisors LLC15,219,994$39.57M1.1%-31.9%11.006%Search for SEC Filing on Google Icon
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.50,164$0.13M0.0%-17.8%0.036%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 35,553$92K0.0%-10.0%0.026%Search for SEC Filing on Google Icon
8/14/2025Vivo Capital LLC6,043,466$15.71M1.6%+70.0%4.370%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.58,735$0.15M0.0%+58.1%0.042%Search for SEC Filing on Google Icon
8/13/2025Panagora Asset Management Inc.15,840$41K0.0%-90.7%0.011%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd32,415$84K0.0%N/A0.023%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.27,607$72K0.0%-62.5%0.020%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers113,487$0.30M0.0%-5.5%0.082%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.2,125,717$5.53M0.0%-2.7%1.537%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC44,223$0.12M0.0%-43.5%0.032%Search for SEC Filing on Google Icon
8/8/2025Creative Planning11,484$30K0.0%N/A0.008%Search for SEC Filing on Google Icon
8/8/2025SG Americas Securities LLC372,681$0.97M0.0%-60.4%0.270%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC2,319,132$6.03M0.0%-1.9%1.677%Search for SEC Filing on Google Icon
7/25/2025Sequoia Financial Advisors LLC16,485$43K0.0%-41.0%0.012%Search for SEC Filing on Google Icon
7/22/2025Simplicity Wealth LLC84,636$0.22M0.0%+81.8%0.061%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.233,522$0.44M0.0%-40.2%0.169%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers120,029$0.23M0.0%-7.0%0.087%Search for SEC Filing on Google Icon
5/28/2025Strs Ohio17,900$34K0.0%N/A0.013%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.233,522$0.44M0.0%-40.2%0.169%Search for SEC Filing on Google Icon
5/16/2025Adage Capital Partners GP L.L.C.3,975,000$7.55M0.0%-33.7%2.875%Search for SEC Filing on Google Icon
5/15/2025Birchview Capital LP24,000$46K0.0%N/A0.017%Search for SEC Filing on Google Icon
5/15/2025MPM Bioimpact LLC8,442,783$16.04M2.8%-1.5%6.105%Search for SEC Filing on Google Icon
5/15/2025Baker BROS. Advisors LP547,498$1.04M0.0%-64.9%0.396%Search for SEC Filing on Google Icon
5/15/2025Propel Bio Management LLC228,317$0.43M0.5%N/A0.165%Search for SEC Filing on Google Icon
5/14/2025MetLife Investment Management LLC37,167$71K0.0%-41.1%0.027%Search for SEC Filing on Google Icon
5/14/2025Walleye Trading LLC25,000$48K0.0%N/A0.018%Search for SEC Filing on Google Icon
5/14/2025Walleye Capital LLC52,478$100K0.0%N/A0.038%Search for SEC Filing on Google Icon
5/14/2025Wellington Management Group LLP222,505$0.42M0.0%N/A0.161%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.73,682$0.14M0.0%N/A0.053%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC304,504$0.58M0.0%N/A0.220%Search for SEC Filing on Google Icon
5/9/2025Deutsche Bank AG102,041$0.19M0.0%N/A0.074%Search for SEC Filing on Google Icon
5/9/2025Charles Schwab Investment Management Inc.297,880$0.57M0.0%+4.1%0.215%Search for SEC Filing on Google Icon
5/1/2025New York State Common Retirement Fund30,407$58K0.0%-20.4%0.022%Search for SEC Filing on Google Icon
4/29/2025Bank of New York Mellon Corp243,565$0.46M0.0%+2.3%0.176%Search for SEC Filing on Google Icon
4/28/2025Vontobel Holding Ltd.29,882$57K0.0%N/A0.022%Search for SEC Filing on Google Icon
4/21/2025Catalina Capital Group LLC16,938$32K0.0%-65.4%0.012%Search for SEC Filing on Google Icon
4/17/2025Exchange Traded Concepts LLC54,207$0.10M0.0%-44.6%0.039%Search for SEC Filing on Google Icon
4/15/2025SG Americas Securities LLC940,784$1.79M0.0%+138.2%0.680%Search for SEC Filing on Google Icon
4/15/2025Simplicity Wealth LLC46,543$88K0.0%N/A0.034%Search for SEC Filing on Google Icon
4/8/2025Rhumbline Advisers120,029$0.23M0.0%-7.0%0.087%Search for SEC Filing on Google Icon
2/17/2025Squarepoint Ops LLC24,072$35K0.0%N/A0.017%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Advisers LP51,000$74K0.0%-41.0%0.037%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Investments LP145,238$0.21M0.0%-24.8%0.106%Search for SEC Filing on Google Icon
2/17/2025Tang Capital Management LLC5,900,000$8.56M0.6%+225.4%4.288%Search for SEC Filing on Google Icon
2/17/2025ProShare Advisors LLC28,722$42K0.0%+49.0%0.021%Search for SEC Filing on Google Icon
2/17/2025MPM Bioimpact LLC8,567,896$12.42M1.8%+51.9%6.227%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC33,857$49K0.0%-80.0%0.025%Search for SEC Filing on Google Icon
2/17/2025Enavate Sciences GP LLC7,788,150$11.29M8.1%N/A5.660%Search for SEC Filing on Google Icon
2/17/2025DAFNA Capital Management LLC158,394$0.23M0.1%+35.5%0.115%Search for SEC Filing on Google Icon
2/17/2025Cantor Fitzgerald L. P.100,000$0.15M0.0%-44.4%0.073%Search for SEC Filing on Google Icon
2/17/2025Bank of America Corp DE113,020$0.16M0.0%+36.6%0.082%Search for SEC Filing on Google Icon
2/17/2025BNP Paribas Financial Markets18,562$27K0.0%N/A0.013%Search for SEC Filing on Google Icon
2/14/2025Monashee Investment Management LLC448,164$0.65M0.1%-10.4%0.326%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp801,225$1.16M0.0%-5.1%0.582%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: $5.54
Low: $5.25
High: $5.61

50 Day Range

MA: $4.37
Low: $3.36
High: $5.90

52 Week Range

Now: $5.54
Low: $1.33
High: $5.86

Volume

1,473,044 shs

Average Volume

2,123,114 shs

Market Capitalization

$985.34 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.44

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. Suvretta Capital Management LLC — 10.20%
  2. Vivo Capital LLC — 5.37%
  3. Vanguard Group Inc. — 5.11%
  4. Millennium Management LLC — 1.82%
  5. Balyasny Asset Management L.P. — 2.04%
  6. JPMorgan Chase & Co. — 1.45%
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. SG Americas Securities LLC
  2. JPMorgan Chase & Co.
  3. UBS Group AG
  4. Simplicity Wealth LLC
  5. Cantor Fitzgerald L. P.
  6. Cantor Fitzgerald L. P.
  7. Barclays PLC
  8. Alliancebernstein L.P.

Which major investors are buying Compass Therapeutics stock?

In the last quarter, CMPX stock was bought by institutional investors including:
  1. Suvretta Capital Management LLC
  2. Vivo Capital LLC
  3. Balyasny Asset Management L.P.
  4. Millennium Management LLC
  5. Vanguard Group Inc.
  6. Monashee Investment Management LLC
  7. Acuta Capital Partners LLC
  8. Burkehill Global Management LP
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.