Edward Farrell CFO resignation
Company: Cipher Mining
What the later record shows
Delivered on time · happened October 14, 2025
The 2026 proxy statement confirms Farrell retired as CFO effective October 14, 2025.
“Effective October 14, 2025, Mr. Farrell retired from his position as Chief Financial Officer.”
2026-04-19 · Cipher Mining DEF 14A filed 2026-04-20 View cached copy (2026-08-31)Live source ↗
“On October 6, 2025, Mr. Farrell tendered notice of his intent to retire from the Company, effective October 14, 2025.”
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
Edward Farrell, Chief Financial Officer, retired effective October 14, 2025
Source (primary)
Cipher Mining 8-K filed 2025-10-06 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “Edward Farrell, Chief Financial Officer of Cipher Mining Inc. (the "Company" or "Cipher"), notified the Company that he has decided to retire, effective October 14, 2025.”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The 8-K states that Farrell, Cipher's CFO, notified the company on October 6, 2025 that he would retire effective October 14, 2025.
Confirmed in the source:
- Edward Farrell was Chief Financial Officer of Cipher Mining Inc.
- Edward Farrell's retirement as CFO was effective October 14, 2025
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000181998925000095/cifr-20251006.htm) in full (8,131 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 8-K filed 2025-10-06
Quote: “Edward Farrell, Chief Financial Officer of Cipher Mining Inc. (the "Company" or "Cipher"), notified the Company that he has decided to retire, effective October 14, 2025.”
confirms Cipher Mining DEF 14A filed 2026-04-20
Quote: “Effective October 14, 2025, Mr. Farrell retired from his position as Chief Financial Officer.”