Company · DAIO · CIK 351998

Data I/O Corp (DAIO) SEC filings and CIK.

DAIO’s SEC Central Index Key (CIK) is 0000351998, or 351998 without leading zeros. The SEC’s ticker file lists it as DATA I/O CORP.

Ticker: DAIO
CIK: 0000351998
Other tickers: None
Insider transactions, Q3 2026: 5

Insider trading

In Q3 2026, insiders at Data I/O Corp reported 5 non-derivative transactions on 5 Forms 3, 4 and 5, including 0 open-market purchases and 0 sales. See every DAIO 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
2026-11-06	8-K	0001654954-26-009591

Get DAIO SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=351998&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/351998" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/351998?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Data I/O Corp on SEC.gov

Questions

What is DAIO’s CIK number?

DAIO’s SEC Central Index Key (CIK) is 0000351998, or 351998 without leading zeros. The SEC’s ticker file lists it as DATA I/O CORP.

How do I find Data I/O Corp’s 10-K?

Request /api/v1/filings?cik=351998&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/daio.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.