Company · KRRO · CIK 1703647

Korro Bio, Inc. (KRRO) SEC filings and CIK.

KRRO’s SEC Central Index Key (CIK) is 0001703647, or 1703647 without leading zeros. The SEC’s ticker file lists it as Korro Bio, Inc..

Ticker: KRRO
CIK: 0001703647
Other tickers: None
Insider transactions, Q3 2026: 24

Insider trading

In Q3 2026, insiders at Korro Bio, Inc. reported 24 non-derivative transactions on 13 Forms 3, 4 and 5, including 2 open-market purchases and 18 sales. See every KRRO insider transaction →

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 KRRO SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1703647&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1703647" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1703647?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Korro Bio, Inc. on SEC.gov

Questions

What is KRRO’s CIK number?

KRRO’s SEC Central Index Key (CIK) is 0001703647, or 1703647 without leading zeros. The SEC’s ticker file lists it as Korro Bio, Inc..

How do I find Korro Bio, Inc.’s 10-K?

Request /api/v1/filings?cik=1703647&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

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