Company: CIFRW
Filing Date: 2025-02-25
Form Type: S-8
Source: 0001193125-25-035270
Chunk: 0

Company: Cipher Mining Inc.
Filing Date: 2025-02-25
Form: S-8
Chunk 0
---
As filed with the Securities and Exchange Commission on February 25, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CIPHER MINING INC. (Exact name of registrant as specified in its charter)

| Delaware                        |     | 84-1614529         |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer   
 Identification No. |

1 Vanderbilt Avenue, Floor 54 New York, New York 10017 Tel.: (332) 262-2300 (Address of principal executive offices, including zip code) CIPHER MINING INC. 2021 INCENTIVE AWARD PLAN (Full title of the plan)

| William Iwaschuk                                                                
 Co-President, Chief Legal Officer and                                           
 Corporate Secretary                                                             
 Cipher Mining Inc. 1                                                            
 Vanderbilt Avenue, Floor 54 New York, New York 10017                            
 United States of America                                                        
 Tel.: (332) 262-2300                                                            |
| (Name, address and telephone number, including area code, of agent for service) |

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-acceleratedfiler, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☒ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☐ |     | Smaller reporting company |     | ☐ |
|                         |     |   |     | Emerging growth company   |     | ☐ |

REGISTRATION OF ADDITIONAL SHARES PURSUANT TO GENERAL INSTRUCTION E

Pursuant to General Instruction E to Form S-8, Cipher Mining Inc. (the “Registrant”) is
filing this Registration Statement with the U.S. Securities and Exchange Commission (the “Commission”) to register 15,322,723 additional shares of the Registrant’s Common Stock for issuance under the Cipher Mining Inc. 2021 Incentive
Award Plan (the “Plan”). This Registration Statement hereby incorporates by reference