Company: CIFRW
Filing Date: 2025-05-23
Form Type: 424B5
Source: 0001193125-25-125868
Chunk: 3

Company: Cipher Mining Inc.
Filing Date: 2025-05-23
Form: 424B5
Chunk 3
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 document incorporated by reference is accurate only as of the date of such prospectus or document incorporated by reference, regardless of the time of delivery of this prospectus supplement or any sale of our common stock. Our
business, financial condition, results of operations and prospects may have changed since that date.

This prospectus supplement contains
forward-looking statements that are subject to a number of risks and uncertainties, many of which are beyond our control. Please read the sections entitled “Risk Factors” and “Cautionary Statement Regarding Forward-Looking
Statements.”

TRADEMARKS AND TRADE NAMES

This prospectus supplement, the accompanying base prospectus and the information incorporated by reference herein and therein include
trademarks, service marks and trade names owned by us or other companies. All trademarks, service marks and trade names included or incorporated by reference into this prospectus supplement and the accompanying base prospectus are the property of
their respective owners.

S-ii

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS This prospectus supplement, the accompanying prospectus and the documents incorporated by reference herein include “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which involve risks, uncertainties and assumptions. All statements contained in this prospectus supplement, other than statements of historical fact, including, without limitation, statements about the terms and completion of the Concurrent Notes Offering and this offering, the use of proceeds from the Concurrent Notes Offering, the effect of the hedging activities related to the Concurrent Notes Offering on the market price of our shares of common stock, our beliefs and expectations regarding our future results of operations and financial position, planned business model and strategy, our bitcoin mining and high-performance compute (“HPC”) data center development, timing and likelihood of success, capacity, functionality and timing of operation of data centers, expectations regarding the operation of data centers, potential strategic initiatives, such as joint ventures and partnerships, and management plans and objectives are forward-looking statements. Statements that are predictive in nature, that depend upon or refer to future events or conditions or that include the words “may,” “will,” “should,” “expects,” “plans,” “anticipates,” “could,” “seeks,” “intends,” “targets,” “projects,” “contemplates,” “believes,” “estimates,” “forecasts,” “predicts