CMPX Insider Trading

Insider Ownership Percentage: 28.50%
Insider Buying (Last 12 Months): $30,800.00
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
2022202320242025$31kbought$5.68MsoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$4M-$2M$0$2M$4MTotal Insider BuyingTotal Insider Selling

Compass Therapeutics Share Price & Price History

Current Price: $1.86
Price Change: Price Increase of +0.02 (1.09%)
As of 04/30/2025 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
JunJulAugSepOctNovDecJanFebMarApr$1.86Closing price on 04/30/25:

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
2022202320242025$1.17Mbought$158ksoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$20M$0$20MTotal InflowsTotal Outflows
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: $1.86
Low: $1.80
High: $1.90

50 Day Range

MA: $2.15
Low: $1.46
High: $3.11

52 Week Range

Now: $1.86
Low: $0.77
High: $4.08

Volume

482,278 shs

Average Volume

880,717 shs

Market Capitalization

$257.21 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.4

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

Compass Therapeutics' top insider investors include:
  1. Jonathan Anderman (Insider)
  2. 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. SG Americas Securities LLC — 0.68%
  2. Bank of New York Mellon Corp — 0.18%
  3. Rhumbline Advisers — 0.09%
  4. Exchange Traded Concepts LLC — 0.04%
  5. Simplicity Wealth LLC — 0.03%
  6. Vontobel Holding Ltd. — 0.02%
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. Exchange Traded Concepts LLC
  2. Catalina Capital Group LLC
  3. Rhumbline Advisers

Which major investors are buying Compass Therapeutics stock?

In the last quarter, CMPX stock was bought by institutional investors including:
  1. SG Americas Securities LLC
  2. Simplicity Wealth LLC
  3. Vontobel Holding Ltd.
  4. Bank of New York Mellon Corp