Company: MSTR
Filing Date: 2025-11-04
Form Type: 424B5
Source: 0001193125-25-263759
Chunk: 65

Company: Strategy Inc
Filing Date: 2025-11-04
Form: 424B5
Chunk 65
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 incorporated by reference into the registration statement of which this prospectus supplement forms a part.

SA-41

LEGAL MATTERS

The validity of the securities offered hereby will be passed upon by Wilmer Cutler Pickering Hale and Dorr LLP. The Agents are being represented by Davis
Polk & Wardwell LLP in connection with the offerings of securities hereunder.

SA-42

10.00% Series A Perpetual Stride Preferred Stock PROSPECTUS SUPPLEMENT STRD STOCK ANNEX

| TD Securities         |     | Barclays                |     | The Benchmark Company |     | BTIG                     |
| Canaccord Genuity     |     | Cantor                  |     | Clear Street          |     | Compass Point            |
| H.C. Wainwright & Co. |     | Keefe, Bruyette & Woods 
 A Stifel Company        |     | Maxim Group LLC       |     | Mizuho                   |
| Morgan Stanley        |     | Santander               |     | SOCIETE GENERALE      |     | Texas Capital Securities |

November 4, 2025