Company: CIFRW
Filing Date: 2025-05-23
Form Type: 424B5
Source: 0001193125-25-125868
Chunk: 6

Company: Cipher Mining Inc.
Filing Date: 2025-05-23
Form: 424B5
Chunk 6
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 financial statements, and our reputation, business and the price of our common stock, as well as may lead to a loss of investor confidence in us. |

The forward-looking statements contained in this prospectus supplement are based on our current expectations and beliefs concerning future developments and their potential effects on us. There can be no assurance that future developments affecting us will be those that we have anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond our control) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements. These risks and uncertainties include, but are not limited to, those factors described under the heading “Risk Factors” and elsewhere in this prospectus supplement and under “Risk Factors” in our most recent Annual Report on Form 10-Kand any subsequent Quarterly Reports on Form 10-Qand any current reports on Form 8-Kfiled subsequent to the end of the year covered by such annual report, which were incorporated by reference into this prospectus supplement in their entirety, as well as any amendments thereto S-iv

reflected in subsequent filings with the SEC. Should one or more of these risks or uncertainties materialize, or should any of the assumptions prove incorrect, actual results may vary in material
respects from those projected in these forward-looking statements. We undertake no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required under
applicable securities laws.

You should read this prospectus supplement, the accompanying base prospectus and the documents incorporated
by reference herein and therein and any free writing prospectuses that we have authorized for use in this offering with the understanding that our actual future results, levels of activity, performance and events and circumstances may be materially
different from what we expect.

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SUMMARY

This summary contains basic information about us and the offering. Because it is a summary, it does not contain all the information that you should consider before investing in our common stock. You should read and carefully consider this entire prospectus supplement, the accompanying base prospectus and the documents incorporated by reference herein and therein before making an investment decision, especially the information presented under the heading “Risk Factors,” “Cautionary Note Regarding Forward-Looking Statements” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in our Annual Report on Form 10-Kfor the year ended December 31, 2024,