Compass Therapeutics, Inc. (CMPX) SEC filings and CIK.
CMPX’s SEC Central Index Key (CIK) is 0001738021, or 1738021 without leading zeros. The SEC’s ticker file lists it as Compass Therapeutics, Inc..
- Ticker
- CMPX
- CIK
- 0001738021
- Other tickers
- None
- Insider transactions, Q3 2026
- 1
Insider trading
In Q3 2026, insiders at Compass Therapeutics, Inc. reported 1 non-derivative transactions on 1 Forms 3, 4 and 5, including 1 open-market purchases and 0 sales.
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-09 | 10-Q | 0001171843-26-007258 |
| 2026-11-09 | 8-K | 0001171843-26-007256 |
Get CMPX SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=1738021&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/1738021" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/1738021?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Compass Therapeutics, Inc. on SEC.gov
Questions
What is CMPX’s CIK number?
CMPX’s SEC Central Index Key (CIK) is 0001738021, or 1738021 without leading zeros. The SEC’s ticker file lists it as Compass Therapeutics, Inc..
How do I find Compass Therapeutics, Inc.’s 10-K?
Request /api/v1/filings?cik=1738021&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/cmpx.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.