Compass Therapeutics, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Boston, MA
SEC filing record 1 source field available
Fiscal year end
31 December
Compass Therapeutics, Inc. has filed 349 SEC EDGAR filings since 30 May 2018

SEC filing history

Showing 1-25 of 349 matching filings.

Per page
25
Current page
1
SCHEDULE 13G/A File 005-90878

SCHEDULE 13G/A filing

Filing date
15 May 2026
Reporting date
Not listed
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4/A

4/A filing

Filing date
30 Apr 2026
Reporting date
29 Apr 2026
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4/A

4/A filing

Filing date
30 Apr 2026
Reporting date
29 Apr 2026
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4

4 filing

Filing date
29 Apr 2026
Reporting date
29 Apr 2026
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4

4 filing

Filing date
29 Apr 2026
Reporting date
29 Apr 2026
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ARS File 001-39696

ARS

Filing date
29 Apr 2026
Reporting date
31 Dec 2025
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DEFA14A File 001-39696

DEFA14A

Filing date
29 Apr 2026
Reporting date
Not listed
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DEF 14A File 001-39696

DEF 14A

Filing date
29 Apr 2026
Reporting date
10 Jun 2026
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SCHEDULE 13G/A File 005-90878

SCHEDULE 13G/A filing

Filing date
13 Feb 2026
Reporting date
Not listed
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4

4 filing

Filing date
10 Feb 2026
Reporting date
08 Feb 2026
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SCHEDULE 13G File 005-90878

SCHEDULE 13G filing

Filing date
21 Jan 2026
Reporting date
Not listed
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4

4 filing

Filing date
12 Jan 2026
Reporting date
09 Jan 2026
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EFFECT File 333-292491

EFFECT filing

Filing date
07 Jan 2026
Reporting date
Not listed
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4

4 filing

Filing date
05 Jan 2026
Reporting date
02 Jan 2026
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4

4 filing

Filing date
05 Jan 2026
Reporting date
02 Jan 2026
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4

4 filing

Filing date
05 Jan 2026
Reporting date
02 Jan 2026
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4

4 filing

Filing date
05 Jan 2026
Reporting date
02 Jan 2026
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4

4 filing

Filing date
05 Jan 2026
Reporting date
02 Jan 2026
SEC evidence
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