Company: CIFRW
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-124285
Chunk: 130

Company: Cipher Mining Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 130
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eded for purposes of this prospectus to the extent that a statement contained in this prospectus or a subsequently filed document incorporated by reference modifies or replaces that statement. This prospectus and any accompanying prospectus supplement incorporate by reference the documents set forth below that have previously been filed with the SEC, other than any portions of the respective filing that were furnished, pursuant to Item 2.02 or Item 7.01 of Current Reports on Form 8-K(including exhibits related thereto) or other applicable SEC rules, rather than filed:

All reports and other documents we subsequently file pursuant to Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended, which we refer to as the “Exchange Act” in this prospectus, prior to the termination of this offering, including all such documents we may file with the SEC after the date of the 2

initial registration statement and prior to the effectiveness of the registration statement, but excluding any information furnished to, rather than filed with, the SEC, will also be incorporated
by reference into this prospectus and deemed to be part of this prospectus from the date of the filing of such reports and documents.

You may request a
free copy of any of the documents incorporated by reference in this prospectus by writing or telephoning us at the following address:

CIPHER MINING INC.

1 VANDERBILT
AVENUE, FLOOR 54

NEW YORK, NEW YORK 10017

(332) 262-2300

Exhibits to the filings will not be sent, however, unless those exhibits have specifically been incorporated by reference in this prospectus or any
accompanying prospectus supplement.

3

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS This prospectus contains forward-looking statements. We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act, and Section 21E of the Exchange Act. The forward-looking statements are contained principally in our Annual Reports on Form 10-Kand in our quarterly reports on Form 10-Qand in any prospectus supplement related hereto in greater detail under the sections titled “ Risk Factors,” “ Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and “ Business,” but are also contained elsewhere in this prospectus and the documents incorporated by reference herein.These statements involve known and unknown risks, uncertainties and other important factors that