Company · ATEX · CIK 1304492

Anterix Inc. (ATEX) SEC filings and CIK.

ATEX’s SEC Central Index Key (CIK) is 0001304492, or 1304492 without leading zeros. The SEC’s ticker file lists it as Anterix Inc..

Ticker: ATEX
CIK: 0001304492
Other tickers: None
Insider transactions, Q3 2026: 49

Insider trading

In Q3 2026, insiders at Anterix Inc. reported 49 non-derivative transactions on 24 Forms 3, 4 and 5, including 0 open-market purchases and 32 sales. See every ATEX 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 ATEX SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1304492&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1304492" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1304492?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Anterix Inc. on SEC.gov

Questions

What is ATEX’s CIK number?

ATEX’s SEC Central Index Key (CIK) is 0001304492, or 1304492 without leading zeros. The SEC’s ticker file lists it as Anterix Inc..

How do I find Anterix Inc.’s 10-K?

Request /api/v1/filings?cik=1304492&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/atex.md

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