Thomas Duda appointed as director
Company: Cipher Mining
What the later record shows
Delivered; the record does not say when
Duda signed the 10-K as a Director on February 24, 2026. The proxy lists him on the Compensation and Nominating and Corporate Governance Committees. No passage gives the effective date itself.
“/s/ Thomas Duda Director February 24, 2026 Thomas Duda”
2026-02-23 · Cipher Mining 10-K filed 2026-02-24 View cached copy (2026-08-31)Live source ↗
“Thomas Duda X X Robert Flatley X Chair Cary Grossman Chair Caitlin Long X Chair”
2026-04-19 · Cipher Mining DEF 14A filed 2026-04-20 View cached copy (2026-08-31)Live source ↗
Checked October 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Thomas Duda was appointed as a director of Cipher Mining Inc., effective February 11, 2026, and will serve on the Compensation Committee and the Nominating and Corporate Governance Committee.
Source (primary)
Cipher Mining 8-K filed 2026-02-11 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “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.”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The 8-K states that on February 11, 2026, Cipher's Board elected Thomas Duda as a director effective immediately and that he will serve on the Compensation Committee and the Nominating and Corporate Governance Committee.
Confirmed in the source:
- Thomas Duda was appointed (elected) as a director of Cipher Mining Inc.
- The appointment was effective February 11, 2026 (elected on that date, effective immediately)
- Thomas Duda will serve on the Compensation Committee
- Thomas Duda will serve on the Nominating and Corporate Governance Committee
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000181998926000002/cifr-20260211.htm) in full (5,039 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 8-K filed 2026-02-11
Quote: “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.”
confirms Cipher Mining 10-K filed 2026-02-24
Quote: “/s/ Thomas Duda Director February 24, 2026 Thomas Duda”
confirms Cipher Mining DEF 14A filed 2026-04-20
Quote: “Thomas Duda X X Robert Flatley X Chair Cary Grossman Chair Caitlin Long X Chair”