Gregory J.d. Mumford - 30 Jun 2026 Form 4 Insider Report for Cipher Digital Inc. (CIFR)

Reporting relationship: Chief Financial Officer
Issuer ticker: CIFR
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jul 2026, 16:40:59 UTC
Prior SEC filing: 07 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ William Iwaschuk, Attorney-in-Fact for Gregory Mumford

Key filing fact

Gregory J.d. Mumford filed Form 4 for Cipher Digital Inc. (CIFR) on 02 Jul 2026.

Key facts

This page summarizes Gregory J.d. Mumford's Form 4 filing for Cipher Digital Inc. (CIFR).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Jul 2026, 16:40.

Change

Previous filing in this sequence was filed on 07 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002090886 Primary reporting owner

Mumford Gregory J.D.

Relationship: Chief Financial Officer
Address: C/O CIPHER DIGITAL INC., 1 VANDERBILT AVENUE, FLOOR 54, NEW YORK
Signature: /s/ William Iwaschuk, Attorney-in-Fact for Gregory Mumford
Signature date: 02 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CIFR transaction

Common Stock

Options Exercise

Transaction value
Shares: +17,108
Change %: +171%
Price
Shares after: 27,102
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1

CIFR transaction

Common Stock

Tax liability

Transaction value
Shares: -6,895
Change %: -25%
Price: $24.50^*
Shares after: 20,207
Date: 30 Jun 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CIFR transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -17,108
Change %: -3%
Price: $0.000000^*
Shares after: 546,090
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 17,108
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

Footnote F2

The RSUs vest in equal quarterly installments over a three-year period, on March 31, June 30, September 30 and December 15 of each year, subject to the Reporting Person's continuous service on the applicable vesting date. The first vesting date occurred on March 31, 2026.