Company: CIFRW
Filing Date: 2025-03-03
Form Type: S-3ASR
Source: 0001193125-25-044253
Chunk: 19

Company: Cipher Mining Inc.
Filing Date: 2025-03-03
Form: S-3ASR
Chunk 19
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) | Star Beacon LLC is a wholly owned subsidiary of SoftBank Group Corp., which is a publicly traded company listed                                                                                                                                  
 on the Tokyo Stock Exchange, as a result, SoftBank Group Corp. may be deemed to share beneficial ownership of the shares of common stock held by Star Beacon LLC. The business address of SoftBank Group Corp. is 1-7-1 Kaigan, Minato-ku, Tokyo 
 105-7537, Japan and, the business address of Star Beacon LLC is 300 El Camino Real, Menlo Park, CA 94025.                                                                                                                                        |

14

PLAN OF DISTRIBUTION The Selling Securityholder and any of its pledgees, donees, transferees, assignees, successors, designees and other successors-in-interestmay, from time to time, sell, transfer or otherwise dispose of any or all of its shares of common stock on any stock exchange, market or trading facility on which the shares are traded or in private transactions. These dispositions may be at fixed prices, at prevailing market prices at the time of sale, at prices related to the prevailing market price, at varying prices determined at the time of sale, or at negotiated prices. The Selling Securityholder may use one or more of the following methods when disposing of the shares therein:

| • |     | ordinary brokerage transactions and transactions in which the broker-dealer solicits purchasers; |

| • |     | block trades in which the broker-dealer will attempt to sell the shares as agent but may position and resell a 
 portion of the block as principal to facilitate the transaction;                                               |

| • |     | through brokers, dealers or underwriters that may act solely as agents; |

| • |     | purchases by a broker-dealer as principal and resale by the broker-dealer for its account; |

| • |     | an exchange distribution in accordance with the rules of the applicable exchange; |

| • |     | privately negotiated transactions; |

| • |     | through the writing or settlement of options or other hedging transactions entered into after the effective date    
 of the registration statement of which this prospectus is a part, whether through an options exchange or otherwise; |

| • |     | broker-dealers may agree with the selling securityholder to sell a specified number of such shares at a 
 stipulated price per share;                                                                             |

| • |     | a combination of any such methods of disposition; and |

| • |     | any other method permitted pursuant to applicable law. |

The