Company: MSTR
Filing Date: 2025-07-31
Form Type: 424B5
Source: 0001193125-25-170517
Chunk: 90

Company: Strategy Inc
Filing Date: 2025-07-31
Form: 424B5
Chunk 90
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), 14, or 15(d) of the Exchange Act between the date of this prospectus supplement and the termination of the offering of the securities described in this prospectus supplement. We are not, however, incorporating by reference any documents or portions thereof, whether specifically listed below or filed in the future, that are not deemed “filed” with the SEC, including any information furnished pursuant to Items 2.02 or 7.01 of Form 8-Kor related exhibits furnished pursuant to Item 9.01 of Form 8-K. This prospectus supplement incorporates by reference the documents set forth below that have previously been filed with the SEC (File Nos. 000-24435and 001-42509):

S-59

We will provide to each person, including any beneficial owner, to whom this prospectus supplement is delivered, upon written or oral request, at no cost to the requester, any of the documents incorporated by reference in this prospectus supplement (other than exhibits, unless they are specifically incorporated by reference in the documents). Requests for such documents should be directed to: Strategy 1850 Towers Crescent Plaza Tysons Corner, Virginia 22182 Attention: Investor Relations Email: ir@strategy.com (703) 848-8600 The information accessible through any website referred to in this prospectus supplement or any document incorporated herein is not, and should not be deemed to be, a part of this prospectus supplement. S-60

PROSPECTUS

Debt Securities

Class A Common Stock

Preferred Stock

Depositary Shares

Warrants

Units

We may offer and sell securities from time to time in one or more offerings. This prospectus describes the general terms of these securities
and the general manner in which these securities will be offered. We will provide the specific terms of these securities in supplements to this prospectus. The prospectus supplements will also describe the specific manner in which these securities
will be offered and may also supplement, update or amend information contained in this document. You should read this prospectus and any applicable prospectus supplement before you invest.

We may offer these securities in amounts, at prices and on terms determined at the time of offering. The securities may be sold directly to
you, through agents, or through underwriters and dealers. If agents, underwriters or dealers are used to sell the securities, we will name them and describe their compensation in a prospectus supplement. No securities may be sold without delivery of
this prospectus and the applicable prospectus supplement