Company · OUST · CIK 1816581

Ouster, Inc. (OUST) SEC filings and CIK.

OUST’s SEC Central Index Key (CIK) is 0001816581, or 1816581 without leading zeros. The SEC’s ticker file lists it as Ouster, Inc..

Ticker: OUST
CIK: 0001816581
Other tickers: None
Insider transactions, Q3 2026: 17

Insider trading

In Q3 2026, insiders at Ouster, Inc. reported 17 non-derivative transactions on 13 Forms 3, 4 and 5, including 0 open-market purchases and 13 sales. See every OUST 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	144	0001950047-26-010805
2026-10-30	SCHEDULE 13G	0002100119-26-001656

Get OUST SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1816581&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1816581" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1816581?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Ouster, Inc. on SEC.gov

Questions

What is OUST’s CIK number?

OUST’s SEC Central Index Key (CIK) is 0001816581, or 1816581 without leading zeros. The SEC’s ticker file lists it as Ouster, Inc..

How do I find Ouster, Inc.’s 10-K?

Request /api/v1/filings?cik=1816581&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/oust.md

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