Company · CBIO · CIK 1253689

Crescent Biopharma, Inc. (CBIO) SEC filings and CIK.

CBIO’s SEC Central Index Key (CIK) is 0001253689, or 1253689 without leading zeros. The SEC’s ticker file lists it as CRESCENT BIOPHARMA, INC..

Ticker: CBIO
CIK: 0001253689
Other tickers: None
Insider transactions: None loaded

Recent filings we observed

No filings for this CIK appear in our current observation window. The full history is available from the filings endpoint below and on SEC.gov.

Get CBIO SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1253689&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1253689" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1253689?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Crescent Biopharma, Inc. on SEC.gov

Questions

What is CBIO’s CIK number?

CBIO’s SEC Central Index Key (CIK) is 0001253689, or 1253689 without leading zeros. The SEC’s ticker file lists it as CRESCENT BIOPHARMA, INC..

How do I find Crescent Biopharma, Inc.’s 10-K?

Request /api/v1/filings?cik=1253689&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

We hold no filings or insider data for this company beyond its ticker and CIK, so this page is not submitted to search engines.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-11. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/cbio.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.