Strategy Inc (MSTR) SEC filings and CIK.
MSTR’s SEC Central Index Key (CIK) is 0001050446, or 1050446 without leading zeros. The SEC’s ticker file lists it as Strategy Inc. The same CIK also trades as STRC, STRF, STRK, STRD.
- Ticker
- MSTR
- CIK
- 0001050446
- Other tickers
- STRC, STRF, STRK, STRD
- Insider transactions, Q3 2026
- 30
Insider trading
In Q3 2026, insiders at Strategy Inc reported 30 non-derivative transactions on 8 Forms 3, 4 and 5, including 0 open-market purchases and 17 sales. See every MSTR insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-11-09 | 8-K | 0001193125-26-452693 |
Get MSTR SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=1050446&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/1050446" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/1050446?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Strategy Inc on SEC.gov
Questions
What is MSTR’s CIK number?
MSTR’s SEC Central Index Key (CIK) is 0001050446, or 1050446 without leading zeros. The SEC’s ticker file lists it as Strategy Inc. The same CIK also trades as STRC, STRF, STRK, STRD.
How do I find Strategy Inc’s 10-K?
Request /api/v1/filings?cik=1050446&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/mstr.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.