Compass Therapeutics, Inc. SEC filings CMPX
Compass Therapeutics, Inc. has 359 filings in SEC EDGAR's recent list, going back to May 30, 2018. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 22, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Jan 7, 2026 | — |
| CORRESP | Letter to the SEC | Jan 5, 2026 | — |
| UPLOAD | Letter from the SEC | Jan 2, 2026 | — |
| DEL AM | Filing | Dec 31, 2025 | — |
| EFFECT | Filing | Sep 6, 2024 | — |
| CORRESP | Letter to the SEC | Sep 4, 2024 | — |
| UPLOAD | Letter from the SEC | Sep 3, 2024 | — |
| EFFECT | Filing | Jan 20, 2023 | — |
| CORRESP | Letter to the SEC | Jan 19, 2023 | — |
| CORRESP | Letter to the SEC | Jan 17, 2023 | — |
| CORRESP | Letter to the SEC | Jan 13, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 7, 2022 | — |
| CERT | Filing | Nov 1, 2021 | — |
| 8-A12B | Filing | Nov 1, 2021 | — |
| EFFECT | Filing | Jul 20, 2021 | — |
| CORRESP | Letter to the SEC | Jul 16, 2021 | — |
| UPLOAD | Letter from the SEC | Jul 15, 2021 | — |
| EFFECT | Filing | Mar 8, 2021 | — |
| RW | Registration withdrawal | Nov 13, 2020 | — |
| CERT | 8a cert | Nov 12, 2020 | — |
| 8-A12B | Filing | Nov 10, 2020 | — |
| EFFECT | Filing | Sep 25, 2020 | — |
| CORRESP | Letter to the SEC | Sep 23, 2020 | — |
| DRS | Filing | Sep 23, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 14, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 11, 2020 | — |
| CORRESP | Letter to the SEC | Jul 31, 2020 | — |
| UPLOAD | Letter from the SEC | Jul 17, 2020 | — |
| D | Filing | Jul 1, 2020 | — |
| D | Filing | Jul 1, 2020 | — |
| SC 14F1/A | Form sc 14f1/a | May 28, 2020 | — |
| SC 14F1 | Schedule 14f-1 | May 27, 2020 | — |
| 10-12G | General form for registration of securities | May 30, 2018 | — |
Showing 33 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- CMPX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Boston, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1738021
- Former names
- Olivia Ventures, Inc. (until Jun 8, 2020)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.