Company · LTBR · CIK 1084554

LIGHTBRIDGE Corp (LTBR) SEC filings and CIK.

LTBR’s SEC Central Index Key (CIK) is 0001084554, or 1084554 without leading zeros. The SEC’s ticker file lists it as LIGHTBRIDGE Corp.

Ticker: LTBR
CIK: 0001084554
Other tickers: None
Insider transactions, Q3 2026: 19

Insider trading

In Q3 2026, insiders at LIGHTBRIDGE Corp reported 19 non-derivative transactions on 18 Forms 3, 4 and 5, including 0 open-market purchases and 4 sales. See every LTBR 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 LTBR SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1084554&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1084554" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1084554?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

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

Questions

What is LTBR’s CIK number?

LTBR’s SEC Central Index Key (CIK) is 0001084554, or 1084554 without leading zeros. The SEC’s ticker file lists it as LIGHTBRIDGE Corp.

How do I find LIGHTBRIDGE Corp’s 10-K?

Request /api/v1/filings?cik=1084554&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/ltbr.md

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