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Compass Therapeutics SEC Filings

NASDAQ: CMPXHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

0.993+0.0096 (+0.98%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Compass Therapeutics filing overview

This page lists 60 recent SEC filings by Compass Therapeutics (CMPX), including 19 4, 13 8-K, 11 SCHEDULE 13G/A, 5 SCHEDULE 13G. The latest annual report (10-K) was filed on Mar 5, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 6, 2026.

The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 22, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

Summary generated from market data by MetaCap's automated system. Methodology

CMPX SEC filings

Compass Therapeutics SEC filings
FiledFormDescriptionDocument
Oct 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Sep 25, 20264Statement of changes in beneficial ownershipView on EDGAR
Sep 22, 20268-KRegulation FD DisclosureView on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 7, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 6, 20268-KResults of Operations and Financial ConditionView on EDGAR
Aug 6, 202610-QQuarterly reportView on EDGAR
Jul 1, 20268-KRegulation FD DisclosureView on EDGAR
Jun 23, 20268-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal YearView on EDGAR
Jun 11, 20268-KSubmission of Matters to a Vote of Security HoldersView on EDGAR
May 15, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
May 5, 20268-KResults of Operations and Financial ConditionView on EDGAR
May 5, 202610-QQuarterly reportView on EDGAR
Apr 30, 20264/AStatement of changes in beneficial ownership (amendment)View on EDGAR
Apr 30, 20264/AStatement of changes in beneficial ownership (amendment)View on EDGAR
Apr 29, 2026DEF 14ADefinitive proxy statementView on EDGAR
Apr 29, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 29, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 27, 20268-KRegulation FD Disclosure; Other EventsView on EDGAR
Mar 5, 20268-KResults of Operations and Financial ConditionView on EDGAR
Mar 5, 202610-KAnnual reportView on EDGAR
Feb 13, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Feb 10, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 21, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jan 12, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 6, 20268-KResults of Operations and Financial Condition; Other EventsView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Nov 18, 20254Statement of changes in beneficial ownershipView on EDGAR
Nov 14, 2025SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Nov 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Nov 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Nov 5, 20258-KResults of Operations and Financial ConditionView on EDGAR
Nov 5, 202510-QQuarterly reportView on EDGAR
Oct 29, 2025SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 21, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 18, 2025SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
Aug 15, 2025SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
Aug 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 13, 2025SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 13, 2025424B5ProspectusView on EDGAR
Aug 13, 20258-KEntry into a Material Definitive Agreement; Other EventsView on EDGAR
Aug 12, 2025424B5ProspectusView on EDGAR
Aug 12, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 11, 20258-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
Aug 11, 202510-QQuarterly reportView on EDGAR
Jul 16, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jun 12, 20258-KSubmission of Matters to a Vote of Security HoldersView on EDGAR

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