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Compass Therapeutics, Inc. (CMPX)

Compass Therapeutics, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Compass Therapeutics, Inc. (CMPX) is a Biotechnology company based in US with a market capitalization of $334M. Free cash flow was negative at -$49.2M. This page tracks CMPX's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 35 employees · IPO Apr 5, 2021

Valuation

Valuation & price

$1.86 · as of May 17, 2026 · -72.2% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

1.70

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$6.69$4.23$1.77Jul 25Dec 25Jul 26Jul 7, 25$2.64Jul 9, 25$2.74Jul 11, 25$2.70Jul 15, 25$2.98Jul 17, 25$3.15Jul 21, 25$3.07Jul 23, 25$3.33Jul 25, 25$3.18Jul 29, 25$3.17Jul 31, 25$2.97Aug 4, 25$2.85Aug 6, 25$2.91Aug 11, 25$3.34Aug 13, 25$3.10Aug 15, 25$2.97Aug 19, 25$2.72Aug 21, 25$2.80Aug 25, 25$3.02Aug 27, 25$3.28Aug 29, 25$3.49Sep 3, 25$3.37Sep 5, 25$3.44Sep 9, 25$3.48Sep 11, 25$3.53Sep 16, 25$3.61Sep 18, 25$3.68Sep 22, 25$3.49Sep 24, 25$3.49Sep 26, 25$3.74Sep 30, 25$3.50Oct 2, 25$3.47Oct 6, 25$3.67Oct 8, 25$3.90Oct 10, 25$4.24Oct 14, 25$4.34Oct 16, 25$4.52Oct 21, 25$4.10Oct 23, 25$3.89Oct 27, 25$4.11Oct 29, 25$3.78Oct 31, 25$3.74Nov 4, 25$3.79Nov 6, 25$4.00Nov 10, 25$4.28Nov 12, 25$4.90Nov 14, 25$4.83Nov 18, 25$4.93Nov 20, 25$4.85Nov 25, 25$5.01Nov 28, 25$5.80Dec 2, 25$5.22Dec 4, 25$5.54Dec 8, 25$5.36Dec 10, 25$5.25Dec 12, 25$5.16Dec 16, 25$5.24Dec 18, 25$5.04Dec 22, 25$5.14Dec 24, 25$5.14Dec 29, 25$5.15Jan 2, 26$5.17Jan 6, 26$4.91Jan 8, 26$5.17Jan 12, 26$5.21Jan 14, 26$6.04Jan 16, 26$5.70Jan 21, 26$5.90Jan 23, 26$5.90Jan 27, 26$6.41Jan 29, 26$6.38Feb 2, 26$6.52Feb 4, 26$6.33Feb 9, 26$6.69Feb 11, 26$6.44Feb 13, 26$6.28Feb 18, 26$6.47Feb 20, 26$6.17Feb 24, 26$6.00Feb 26, 26$5.78Mar 2, 26$5.68Mar 4, 26$5.69Mar 6, 26$5.51Mar 10, 26$5.57Mar 12, 26$5.19Mar 17, 26$5.45Mar 19, 26$5.39Mar 23, 26$5.04Mar 25, 26$5.49Mar 27, 26$5.21Mar 31, 26$5.29Apr 2, 26$5.45Apr 7, 26$5.31Apr 9, 26$5.45Apr 13, 26$5.20Apr 15, 26$5.85Apr 17, 26$6.00Apr 22, 26$5.32Apr 24, 26$5.03Apr 28, 26$1.84Apr 30, 26$1.77May 4, 26$1.94May 6, 26$1.87May 8, 26$1.83May 12, 26$1.87May 14, 26$1.98May 18, 26$1.83May 20, 26$1.89May 22, 26$2.07May 28, 26$2.41Jun 1, 26$2.22Jun 3, 26$2.10Jun 5, 26$2.04Jun 9, 26$2.06Jun 11, 26$2.01Jun 15, 26$2.04Jun 17, 26$2.05Jun 22, 26$2.10Jun 24, 26$2.02Jun 26, 26$2.08Jul 2, 26$2.27
$1.6752-week range$6.69
Loading valuation history…

Fundamentals

Key fundamentals

$334M

Market cap

—

Revenue growth (YoY)

100.0%

Gross margin

-$49.2M

Free cash flow (USD)

-$199.1M

Net debt

Net cash position

15.0%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2019 → 2025

FY 2019$0.00FY 2020$0.00FY 2021$0.00FY 2022$0.00FY 2023$0.00FY 2024$850.0KFY 2025$0.00
$0$0

Free cash flow by year

2019 → 2025

FY 2019$-35.7MFY 2020$-32.2MFY 2021$-21.2MFY 2022$-34.3MFY 2023$-40.6MFY 2024$-44.9MFY 2025$-49.2M
-$35.7M-$49.2M

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

2

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 5, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventCorporate PresentationJul 1, 2026Filing
  • 8-K eventBylaw AmendmentsJun 22, 2026Filing
  • 8-K eventAnnual Meeting ResultsJun 11, 2026Filing
  • 8-K eventEarnings ReleaseMay 5, 2026Filing
  • Quarterly report10-Q FiledMay 5, 2026Filing
  • Insider buyInsider Buy $47KAnderman Jonathan · General Counsel · $47.3KApr 30, 2026Filing
  • Insider buyInsider Buy $28KLerner Neil · Chief Accounting Officer · $28.4KApr 30, 2026Filing
  • 8-K eventClinical Trial Results AnnouncedApr 27, 2026Filing

Questions

Frequently asked questions

What is Compass Therapeutics, Inc.'s market cap?

Compass Therapeutics, Inc. (CMPX) has a market capitalization of $334M.

What is CMPX's P/E ratio?

A meaningful P/E ratio is not available for CMPX — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is CMPX's price-to-book (P/B) ratio?

CMPX trades at 1.70 times book value per share.

Are insiders buying CMPX stock?

Yes — SEC Form 4 filings show 2 open-market insider buys and 0 sells at Compass Therapeutics, Inc. in the last 90 days.

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.