Company · NTRS · CIK 73124

Northern Trust Corp (NTRS) SEC filings and CIK.

NTRS’s SEC Central Index Key (CIK) is 0000073124, or 73124 without leading zeros. The SEC’s ticker file lists it as NORTHERN TRUST CORP. The same CIK also trades as NTRSO.

Ticker: NTRS
CIK: 0000073124
Other tickers: NTRSO
Insider transactions, Q3 2026: 16

Insider trading

In Q3 2026, insiders at Northern Trust Corp reported 16 non-derivative transactions on 13 Forms 3, 4 and 5, including 1 open-market purchases and 1 sales. See every NTRS insider transaction →

Recent filings we observed

From our record of EDGAR’s latest-filings feed and sampled daily indexes. Not a complete filing history; use the filings API for that.
Filed	Form	Accession
2026-11-09	424B5	0001193125-26-453567

Get NTRS SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=73124&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/73124" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/73124?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Northern Trust Corp on SEC.gov

Questions

What is NTRS’s CIK number?

NTRS’s SEC Central Index Key (CIK) is 0000073124, or 73124 without leading zeros. The SEC’s ticker file lists it as NORTHERN TRUST CORP. The same CIK also trades as NTRSO.

How do I find Northern Trust Corp’s 10-K?

Request /api/v1/filings?cik=73124&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/ntrs.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.