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Strategy Inc (MSTR) SEC Filings
Browse all Strategy Inc SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more
Strategy Inc Reports: Annual 10-K, Quarterly 10-Q & SEC Filings
SEC Filings
Date
2026
DEFA14A
Additional or supplemental proxy disclosures
DEFA14A
Additional or supplemental proxy disclosures
424B3
Updated prospectus reflecting new or changed information
10-Q
Quarterly financial results and management updates
4
Insider ownership (buying, selling) activity
DEFA14A
Additional or supplemental proxy disclosures
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
DEFA14A
Additional or supplemental proxy disclosures
8-K
Material company events (earnings, M&A, or leadership changes)
DEFA14A
Additional or supplemental proxy disclosures
SC 13G
Passive large shareholder ownership disclosure
DEFA14A
Additional or supplemental proxy disclosures
DEF 14A
Final shareholder voting details (board elections and executive pay)
ARS
Annual Report to Shareholders
DEFA14A
Additional or supplemental proxy disclosures
DEFA14A
Additional or supplemental proxy disclosures
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
DEFA14A
Additional or supplemental proxy disclosures
DEFA14A
Additional or supplemental proxy disclosures
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
PRE 14A
Preliminary proxy statement filed for SEC review
DEFA14A
Additional or supplemental proxy disclosures
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
SC 13G/A
Updated passive ownership disclosure
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
Strategy Inc (Form DEFA14A) 2026
Proxy & Voting / Additional or supplemental proxy disclosures
May 7, 2026
