Company: MSTR
Filing Date: 2025-08-11
Form Type: DEFA14A
Source: 0001193125-25-177525
Chunk: 4

Company: Strategy Inc
Filing Date: 2025-08-11
Form: DEFA14A
Chunk 4
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8-Kfiled with the SEC on July 1, 2025. Other information regarding the persons who may be deemed participants in the proxy solicitations in connection with the ratification, and a description of any interests that they have therein, by security holdings or otherwise, will be contained in the Proxy Statement and other relevant materials to be filed with the SEC regarding the ratification when they become available. Stockholders, potential investors and other interested persons should read the Proxy Statement carefully when it becomes available before making any voting or investment decisions. You may obtain free copies of these documents from the sources indicated above.

| Item 9.01 | Financial Statements and Exhibits. |

(d) Exhibits.

| Exhibit No. |     | Description                                                                                  |
| 3.1         |     | Certificate of Amendment to the Second Restated Certificate of Incorporation of the Company. |
| 3.2         |     | Second Amended and Restated Bylaws of the Company.                                           |
| 104         |     | Cover Page Interactive Data File (embedded within the Inline XBRL document).                 |

SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| Date: August 11, 2025 |     | MicroStrategy Incorporated 
 (Registrant)               |     |                                            |
|:----------------------|:----|:---------------------------|:----|:-------------------------------------------|
|                       |     | By:                        |     | /s/ W. Ming Shao                           |
|                       |     | Name:                      |     | W. Ming Shao                               |
|                       |     | Title:                     |     | Executive Vice President & General Counsel |

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO SECOND RESTATED CERTIFICATE OF INCORPORATION OF MICROSTRATEGY INCORPORATED Pursuant to Section 242 of the General Corporation Law of the State of Delaware MicroStrategy Incorporated, a corporation duly organized and existing under the General Corporation Law of the State of Delaware (the “Corporation”), does hereby certify that: 1. The Second Restated Certificate of Incorporation of the Corporation, as amended and supplemented to date, is hereby amended solely to reflect a change in the name of the Corporation by deleting Article One thereof and inserting the following in lieu thereof: “ ARTICLE ONE The name of the corporation is Strategy Inc (hereina