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Company · ASPN · CIK 1145986

Aspen Aerogels Inc (ASPN) SEC filings and CIK.

ASPN’s SEC Central Index Key (CIK) is 0001145986, or 1145986 without leading zeros. The SEC’s ticker file lists it as ASPEN AEROGELS INC.

Ticker
ASPN
CIK
0001145986
Other tickers
None
Insider transactions, Q3 2026
1

Insider trading

In Q3 2026, insiders at Aspen Aerogels Inc reported 1 non-derivative transactions on 1 Forms 3, 4 and 5, including 0 open-market purchases and 1 sales.

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.
FiledFormAccession
2026-11-0640001843185-26-000008
2026-11-0630001843185-26-000007

Get ASPN SEC data through the API

Filing history
curl "https://sec-api.dev/api/v1/filings?cik=1145986&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"
Company profile
curl "https://sec-api.dev/api/v1/companies/1145986" \
  -H "Authorization: Bearer $SEC_API_KEY"
Reported XBRL facts
curl "https://sec-api.dev/api/v1/facts/1145986?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Aspen Aerogels Inc on SEC.gov

Questions

What is ASPN’s CIK number?

ASPN’s SEC Central Index Key (CIK) is 0001145986, or 1145986 without leading zeros. The SEC’s ticker file lists it as ASPEN AEROGELS INC.

How do I find Aspen Aerogels Inc’s 10-K?

Request /api/v1/filings?cik=1145986&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/aspn.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.