Company: MSTR
Filing Date: 2025-11-04
Form Type: 424B5
Source: 0001193125-25-263900
Chunk: 13

Company: Strategy Inc
Filing Date: 2025-11-04
Form: 424B5
Chunk 13
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ii) “liquidation senior 
 stock” (as defined in this STRK Stock Annex, and which includes our STRF Stock and STRC Stock) with respect to the distribution of assets upon our liquidation, dissolution or winding up;                       |

| • |     | junior to our existing and future indebtedness (including all of our issued and outstanding convertible notes); 
 and                                                                                                             |

| • |     | structurally junior to all existing and future indebtedness and other liabilities, including trade payables, and 
 (to the extent we are not a holder thereof) capital stock of our subsidiaries.                                   |

| • |     | As of September 30, 2025, excluding intercompany indebtedness, we had approximately $8.24 billion in aggregate                              
 principal amount of consolidated indebtedness outstanding. Additionally, as of October 31, 2025, there were 12,470,812 shares of STRF Stock |

SA-6

| outstanding, 28,011,111 shares of STRC Stock outstanding, 12,539,683 shares of STRD Stock outstanding, and no dividend parity stock or liquidation parity stock outstanding. Our indebtedness, our 
 STRF Stock and STRC Stock rank senior to the STRK Stock.                                                                                                                                           |

| Transfer Agent, Paying Agent and Conversion Agent for the STRK Stock | U.S. Bank Trust Company, National Association. |

| Listing | The STRK Stock is listed on The Nasdaq Global Select Market under the symbol “STRK.” On November 3, 2025, the last reported sale price of our STRK Stock was $88.60 per share. |

| The Nasdaq Global Select Market Symbol for Our Class A Common Stock | Our class A common stock is listed on The Nasdaq Global Select Market under the symbol “MSTR.” On November 3, 2025, the last reported sale price of our class A common stock was $264.67 per share. |

| Risk Factors | Investing in the STRK Stock involves risks. See the “Risk Factors” section of this STRK Annex and the “Risk Factors,” “Risk Factors Related to the ATM Offering Programs” and “Risk Factors Updates”                                                     
 sections contained in the accompanying base prospectus supplement and prospectus and in the documents incorporated by reference into the accompanying base prospectus supplement and prospectus for a discussion of factors to consider carefully before 
 deciding to invest in shares of our STRK Stock.                                                                                                                                                                                                          |

| Material United States Federal Income Tax Consider