# EDGAR Filing Document

**Accession Number:** 0001819989
**File Stem:** 0001819989-26-000002
**Filing Date:** 2026-2
**Character Count:** 13617
**Document Hash:** 2fa87fb200dc6bcd8c95521b83942d8d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001819989-26-000002.hdr.sgml**: 20260211

**ACCESSION NUMBER**: 0001819989-26-000002

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20260211

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260211

**DATE AS OF CHANGE**: 20260211

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Cipher Mining Inc.
- **CENTRAL INDEX KEY:** 0001819989
- **STANDARD INDUSTRIAL CLASSIFICATION:** FINANCE SERVICES [6199]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 851614529
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39625
- **FILM NUMBER:** 26621387

**BUSINESS ADDRESS:**
- **STREET 1:** 1 VANDERBILT AVENUE
- **STREET 2:** FLOOR 54
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
- **BUSINESS PHONE:** 332-262-2300

**MAIL ADDRESS:**
- **STREET 1:** 1 VANDERBILT AVENUE
- **STREET 2:** FLOOR 54
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GOOD WORKS ACQUISITION CORP.
- **DATE OF NAME CHANGE:** 20200803

?xml version='1.0' encoding='ASCII'? cifr-20260211

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

________________________________________________________

**FORM 8-K**

________________________________________________________

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported): February 11, 2026**

________________________________________________________

**CIPHER MINING INC.**

**(Exact name of Registrant as Specified in Its Charter)**

________________________________________________________

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| | | |
|:---|:---|:---|
| **Delaware** | **001-39625** | **85-1614529** |
| **(State or Other Jurisdiction<br>of Incorporation)** | **(Commission File Number)** | **(IRS Employer<br>Identification No.)** |
| **1 Vanderbilt Avenue** | | |
| **Floor 54** | | |
| **New York, New York** | | **10017** |
| **(Address of Principal Executive Offices)** | | **(Zip Code)** |

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**Registrant's Telephone Number, Including Area Code:** (**332) 262-2300**

**N/A**

**(Former Name or Former Address, if Changed Since Last Report)**

________________________________________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

□ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

□ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

□ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

□ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

**Securities registered pursuant to Section 12(b) of the Act:**

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading**<br>**Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock, par value $0.001 per share | CIFR | The Nasdaq Stock Market LLC |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company □

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. □

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**Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**

***Appointment of Thomas Duda as Director***

On February 11, 2026, the Board of Directors (the "Board") of Cipher Mining Inc. (the "Company") increased the size of the Board from seven to eight directors and elected Thomas Duda as a director of the Company, effective immediately. Mr. Duda will serve on the Compensation Committee and the Nominating and Corporate Governance Committee.

Mr. Duda's compensation will be consistent with that provided to all non-employee directors in accordance with the Company's amended and restated non-employee director compensation practices described in "Executive and Director Compensation" of the Company's Proxy Statement filed with the Securities and Exchange Commission on April 21, 2025.

The Company's Nominating and Corporate Governance Committee had recommended and nominated Mr. Duda as a director candidate. There is no arrangement or understanding pursuant to which Mr. Duda was appointed to the Board. There are no family relationships between Mr. Duda and any director or executive officer of the Company as defined in Item 401(d) of Regulation S-K, and Mr. Duda has no direct or indirect material interest in any transaction or proposed transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.

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**Item 7.01 Regulation FD Disclosure.**

On February 11, 2026, the Company issued a press release announcing the appointment of Mr. Duda to the Board. A copy of the press release is furnished in Exhibit 99.1 hereto and is incorporated by reference herein.

The information in Items 7.01 of this Report (including Exhibit 99.1 attached hereto) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly provided by specific reference in such a filing.

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**Item 9.01 Financial Statements and Exhibits.**

(d)<u>Exhibits</u>.

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| | |
|:---|:---|
| **Exhibit**<br>**Number** | **Description** |
| 99.1 | <u>[Press Release of the Company](exhibit991dudanewdirectori.htm)</u> |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | | |
|:---|:---|:---|:---|
| | | | Cipher Mining Inc. |
| Date: | 2/11/2026 | By: | /s/ Tyler Page |
|  |  |  | **Tyler Page <br>Chief Executive Officer** |

---

## Exhibit 99.1

**Exhibit 99.1**

**Cipher Welcomes Thomas Duda to the Company's Board of Directors**

NEW YORK – February 11, 2026 (GLOBE NEWSWIRE) – **Cipher Mining Inc. (NASDAQ: CIFR)** ("Cipher" or the "Company"), a leading developer and operator of industrial-scale data centers, today announces the appointment of Thomas Duda to its Board of Directors. Mr. Duda has more than twenty years of real estate-focused investment experience, further strengthening the Board as Cipher executes its pivot to becoming a world leader in data center development and operations.

Mr. Duda currently serves as Vice President of Real Estate at Henry Crown and Company, where he leads the firm's real estate investment and asset management activities, and is a member of the Investment and Management Committee. Previously, he held senior roles at Hunt Companies, Inc., where he focused on commercial real estate and infrastructure investments, and at One William Street Capital Management as a Managing Director of Investments.

"Our board brings a diverse range of experience and expertise to support the Company's ambitions, and Tom's top tier commercial real estate expertise will be a significant benefit as we continue transforming Cipher into a leading infrastructure development company," said Tyler Page, Chief Executive Officer. "Tom's leadership and guidance on our board will be invaluable."

**About Cipher**

Cipher is focused on the development and operation of industrial-scale data centers for bitcoin mining and HPC hosting. Cipher aims to be a market leader in innovation, including in bitcoin mining growth, data center construction and as a hosting partner to the world's largest HPC companies. To learn more about Cipher, please visit https://www.ciphermining.com/.

**Forward-Looking Statements**

This press release contains certain forward-looking statements within the meaning of the federal securities laws of the United States. The Company intends such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995 and includes this statement for purposes of complying with these safe harbor provisions. Any statements made in this press release that are not statements of historical fact, such as statements about the Company's beliefs and expectations regarding its planned business model and strategy, management plans and objectives, and the

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**Exhibit 99.1**

benefits of, and anticipated contributions from, Thomas Duda in his new directorship, are forward-looking statements and should be evaluated as such. These forward-looking statements generally are identified by the words "may," "will," "should," "expects," "plans," "anticipates," "could," "seeks," "intends," "targets," "projects," "contemplates," "believes," "estimates," "strategy," "future," "forecasts," "opportunity," "predicts," "potential," "would," "will likely result," "continue," and similar expressions (including the negative versions of such words or expressions).

These forward-looking statements are based upon estimates and assumptions that, while considered reasonable by Cipher and its management, are inherently uncertain. Such forward-looking statements are subject to risks, uncertainties, and other factors that could cause actual results to differ materially from those expressed or implied by such forward-looking statements. New risks and uncertainties may emerge from time to time, and it is not possible to predict all risks and uncertainties. Many factors could cause actual future events to differ materially from the forward-looking statements in this press release, including but not limited to: volatility in the price of Cipher's securities due to a variety of factors, including changes in the competitive and regulated industry in which Cipher operates, Cipher's evolving business model and strategy and efforts it may make to modify aspects of its business model or engage in various strategic initiatives, variations in performance across competitors, changes in laws and regulations affecting Cipher's business, and the ability to implement business plans, forecasts, and other expectations and to identify and realize additional opportunities. The foregoing list of factors is not exhaustive. You should carefully consider the foregoing factors and the other risks and uncertainties described in the "Risk Factors" section of Cipher's Annual Report on Form 10-K for the fiscal year ended December 31, 2024 filed with the Securities and Exchange Commission ("SEC") on February 25, 2025, Cipher's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2025 filed with the SEC on August 7, 2025, Cipher's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2025 filed with the SEC on November 3, 2025 and in Cipher's subsequent filings with the SEC. These filings identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward-looking

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**Exhibit 99.1**

statements, and Cipher assumes no obligation and, except as required by law, does not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise.

**Website Disclosure**

The company maintains a dedicated investor website at https://investors.ciphermining.com/ ("Investors' Website"). Financial and other important information regarding the Company is routinely posted on and accessible through the Investors' Website. Cipher uses its Investors' Website as a distribution channel of material information about the Company, including through press releases, investor presentations, reports and notices of upcoming events. Cipher intends to utilize its Investors' Website as a channel of distribution to reach public investors and as a means of disclosing material non-public information for complying with disclosure obligations under Regulation FD. In addition, you may sign up to automatically receive email alerts and other information about the Company by visiting the "Email Alerts" option under the Investor Resources section of Cipher's Investors' Website and submitting your email address.

**Contacts:**<br>**Investor Contact:**<br>Courtney Knight <br>Head of Investor Relations at Cipher Mining<br>Courtney.knight@ciphermining.com

**Media Contact:**<br>Ryan Dicovitsky / Katie Nerantzis<br>Dukas Linden Public Relations<br>CipherMining@DLPR.com

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