Company: CIFRW
Filing Date: 2025-04-21
Form Type: DEF 14A
Source: 0001819989-25-000027
Chunk: 1

Company: Cipher Mining Inc.
Filing Date: 2025-04-21
Form: DEF 14A
Chunk 1
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 proxy card by mail, by returning your signed proxy card in the envelope provided. You may also vote your shares online during the Annual Meeting. Instructions on how to vote while participating at the meeting live via the Internet are posted at www.virtualshareholdermeeting.com/CIFR2025 .

On behalf of the Board of Directors and management, it is my pleasure to express our appreciation for your continued support.

| Tyler Page              |
| Chief Executive Officer |

#### Cipher Mining Inc.

#### 1 Vanderbilt Avenue, Floor 54

#### New York, New York 10017

### NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

#### TO BE HELD ON JUNE 3, 2025
NOTICE IS HEREBY GIVEN that the Annual Meeting of Stockholders of Cipher Mining Inc., a Delaware corporation, will be held on Tuesday, June 3, 2025, at 8:00 a.m., Eastern Time. The Annual Meeting will be a completely virtual meeting, which will be conducted via live webcast. You will be able to attend the Annual Meeting online and submit your questions during the meeting by visiting www.virtualshareholdermeeting.com/CIFR2025 . For instructions on how to attend and vote your shares at the Annual Meeting, see the information in the accompanying Proxy Statement in the section titled “General Information about the Annual Meeting and Voting—How can I attend and vote at the Annual Meeting?”

The Annual Meeting is being held:

1. to elect Robert Flatley and Caitlin Long as Class I directors to hold office until the Company’s annual meeting of stockholders to be held in 2028 and until their respective successors have been duly elected and qualified;

2. to ratify the appointment of CBIZ CPAs P.C. as our independent registered public accounting firm for 2025;

3. to approve, on a non-binding advisory basis, of the compensation of our named executive officers;

4. to approve, on a non-binding advisory basis, the frequency of future advisory resolutions to approve the compensation of our named executive officers; and

5. to transact such other business as may properly come before the Annual Meeting or any continuation, postponement or adjournment thereof.

These items of business are described in the Proxy Statement that follows this notice. Holders of record of our common stock as of the close of business on April 8, 2025 are entitled to notice of and to vote at the Annual Meeting, or any continuation, postponement or adjournment thereof.

Your