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Compass Therapeutics, Inc.
Biological Products, (No Diagnostic Substances) · DE · CIK 1738021
Developing antibody-based cancer therapeutics targeting angiogenesis, immune response, and tumor growth
$366M
Market cap
$2.16
Last close
+3.9%
1D
+2.9%
5D
2.8M
Volume
Price · last 39 sessions+11.3%
May 4L $1.81 · H $2.41Jun 29
122
Total filings
Jun 23, 2026
Last filing
12/31
Fiscal year end
8-KBylaw AmendmentJun 23, 20268-KShareholder VoteJun 11, 20268-KResults of OperationsMay 5, 20268-KReg FD Disclosure · Company UpdateApr 27, 20268-KResults of OperationsMar 5, 20268-KResults of Operations · Company UpdateJan 6, 20268-KResults of OperationsNov 5, 20258-KMaterial Agreement · Company UpdateAug 13, 20258-KResults of Operations · Reg FD DisclosureAug 11, 20258-KShareholder VoteJun 12, 20258-KResults of OperationsMay 8, 20258-KReg FD Disclosure · Company UpdateApr 1, 20258-KResults of OperationsFeb 27, 20258-KResults of Operations · Company UpdateJan 8, 20258-KExecutive Change · Reg FD DisclosureDec 10, 20248-KResults of OperationsNov 12, 20248-KResults of OperationsAug 12, 20248-KShareholder VoteJun 17, 20248-KExecutive Change · Reg FD DisclosureMay 28, 20248-KResults of OperationsMay 13, 20248-KReg FD DisclosureApr 25, 20248-KResults of OperationsMar 21, 20248-KExecutive Change · Company UpdateJan 9, 20248-KResults of Operations · Reg FD DisclosureJan 5, 20248-KResults of OperationsNov 9, 20238-KResults of OperationsAug 3, 20238-KShareholder VoteJun 15, 20238-KResults of OperationsMay 4, 20238-KExecutive ChangeApr 24, 20238-KReg FD DisclosureMar 10, 20238-KExecutive ChangeFeb 24, 20238-KExecutive ChangeFeb 10, 20238-KCompany UpdateJan 19, 20238-KExecutive ChangeNov 29, 20228-KExecutive Change · Material AgreementNov 2, 20228-KExecutive ChangeAug 19, 20228-KMaterial Agreement · Agreement TerminatedAug 1, 20228-KShareholder VoteMay 31, 20228-KReg FD DisclosureMay 4, 20228-KExecutive ChangeApr 26, 20228-KExecutive ChangeFeb 25, 20228-KCompany UpdateJan 20, 20228-KExecutive ChangeDec 21, 20218-KMaterial Agreement · Company UpdateNov 3, 20218-KResults of Operations · Company UpdateNov 1, 20218-KCompany UpdateOct 8, 20218-KExecutive Change · Material AgreementJun 30, 20218-KShareholder VoteJun 4, 20218-KMaterial Agreement · Reg FD DisclosureMay 13, 20218-KExecutive ChangeApr 19, 20218-KMaterial Agreement · New Debt / ObligationDec 17, 20208-KExecutive ChangeSep 15, 20208-KAuditor Change · Change of ControlJun 23, 2020
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