Cipher Digital Inc. (CIFR) awards CFO 205,306 restricted stock units

Rhea-AI Filing Summary

Mumford Gregory J.D. reported acquisition or exercise transactions in this Form 4 filing.

Cipher Digital Inc. disclosed that Chief Financial Officer Gregory J.D. Mumford received a grant of 205,306 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Cipher Digital common stock. Following this award, he directly holds 580,306 derivative securities.

The RSUs vest in equal quarterly installments over three years, on March 31, June 30, September 30 and December 15 of each year, with the first vesting date on March 31, 2026. Vesting is conditioned on his continuous service through each vesting date.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mumford Gregory J.D.

(Last) (First) (Middle)

C/O CIPHER DIGITAL INC.

1 VANDERBILT AVENUE, FLOOR 54

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Cipher Digital Inc. [ CIFR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	02/25/2026		A		205,306		(2)	(2)	Common Stock	205,306	$0	580,306	D

Explanation of Responses:

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

2. 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, with the first vesting date occurring on March 31, 2026, subject to the Reporting Person's continuous service on the applicable vesting date.

Remarks:

	/s/ William Iwaschuk, Attorney-in-Fact for Gregory Mumford	02/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Cipher Digital (CIFR) report for its CFO?

Cipher Digital reported that its Chief Financial Officer, Gregory J.D. Mumford, received a grant of 205,306 restricted stock units. Each unit represents a contingent right to one share of common stock, increasing his directly held derivative securities to 580,306 after the award.

How many restricted stock units did the Cipher Digital (CIFR) CFO receive?

The Cipher Digital CFO received 205,306 restricted stock units in this award. These units are a form of equity compensation that convert into common shares over time, subject to a defined vesting schedule and his continued service with the company.

What is the vesting schedule for the Cipher Digital (CIFR) CFO’s RSUs?

The RSUs vest in equal quarterly installments over three years on March 31, June 30, September 30 and December 15. The first vesting date is March 31, 2026, and each tranche requires Gregory J.D. Mumford’s continuous service through the relevant vesting date.

What does each RSU granted by Cipher Digital (CIFR) represent?

Each restricted stock unit granted to the Cipher Digital CFO represents a contingent right to receive one share of Cipher Digital common stock. Actual share delivery occurs as the units vest over the three-year quarterly schedule, assuming he remains in continuous service.

How many Cipher Digital (CIFR) derivative securities does the CFO hold after this award?

After the RSU grant, the CFO beneficially owns 580,306 derivative securities related to Cipher Digital stock. This figure reflects his holdings following the 205,306-unit award and is reported as directly owned under the Form 4 disclosure for this transaction.