Company · ATII · CIK 2028516

Archimedes Tech SPAC Partners II Co. (ATII) SEC filings and CIK.

ATII’s SEC Central Index Key (CIK) is 0002028516, or 2028516 without leading zeros. The SEC’s ticker file lists it as Archimedes Tech SPAC Partners II Co.. The same CIK also trades as ATIIU, ATIIW.

Ticker: ATII
CIK: 0002028516
Other tickers: ATIIU, ATIIW
Insider transactions, Q3 2026: None loaded

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	SCHEDULE 13G	0000886982-26-000536

Get ATII SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=2028516&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/2028516" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/2028516?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Archimedes Tech SPAC Partners II Co. on SEC.gov

Questions

What is ATII’s CIK number?

How do I find Archimedes Tech SPAC Partners II Co.’s 10-K?

Request /api/v1/filings?cik=2028516&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/atii.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.