Cipher Digital Inc.: CFO Gregory Mumford exercised 17,109 shares

What happened

• Gregory Mumford, CFO, exercised or converted derivatives totaling 17,109 shares on Sep 30, 2026. The filing shows an exercise/conversion (code M) for 17,109 shares and a tax-withholding disposition (code F) of 6,895 shares at $15.83 per share for $109,148.
• The Form 4 is amended to include shares withheld to satisfy tax withholding obligations.

Key details

• Transaction date: Sep 30, 2026.
• Transactions reported:
  • M: exercise or conversion of derivative — 17,109 shares (reported as acquired in one entry; another entry shows 17,109 shares exercised with $0.00 deemed value in a derivative disposition).
  • F: payment of exercise price or tax liability — 6,895 shares disposed at $15.83 per share for $109,148.
• Footnotes:
  • F1: Each restricted stock unit (RSU) represents a contingent right to receive one share of common stock.
  • F2: RSUs vest in equal quarterly installments over a three-year period (Mar 31, Jun 30, Sep 30 and Dec 15), subject to continuous service; first vesting date was Mar 31, 2026.
• Shares owned after the transaction: not stated in the provided filing excerpt.
• Filing status: this is an amended Form 4 (remarks state amendment to include shares withheld for taxes).

Why it may matter

• The filing shows an exercise/conversion of derivatives with shares withheld to satisfy tax withholding (a form of cashless settlement via share withholding).
• Transaction codes reported include M (exercise/conversion of derivative) and F (tax withholding).
• A filing does not show why the insider traded or why the company acted.