Company · CMCSA · CIK 1166691

Comcast Corp (CMCSA) SEC filings and CIK.

CMCSA’s SEC Central Index Key (CIK) is 0001166691, or 1166691 without leading zeros. The SEC’s ticker file lists it as COMCAST CORP. The same CIK also trades as CCZ.

Ticker: CMCSA
CIK: 0001166691
Other tickers: CCZ
Insider transactions, Q3 2026: 8

Insider trading

In Q3 2026, insiders at Comcast Corp reported 8 non-derivative transactions on 9 Forms 3, 4 and 5, including 0 open-market purchases and 0 sales. See every CMCSA 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 CMCSA SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1166691&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1166691" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1166691?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Comcast Corp on SEC.gov

Questions

What is CMCSA’s CIK number?

CMCSA’s SEC Central Index Key (CIK) is 0001166691, or 1166691 without leading zeros. The SEC’s ticker file lists it as COMCAST CORP. The same CIK also trades as CCZ.

How do I find Comcast Corp’s 10-K?

Request /api/v1/filings?cik=1166691&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/cmcsa.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.