Cipher Digital CFO converts grants into 17,109 shares

Q: How many shares did CIFR CFO Gregory J.D. Mumford receive and deliver or withhold?

On September 30, 2026, Gregory J.D. Mumford acquired 17,109 common shares through conversion of 17,109 restricted stock units and delivered or withheld 6,895 common shares for payment of exercise price or tax liability at $15.83 per share. His reported remaining RSU position was 528,981 units.

Vesting dates are March 31, June 30, September 30 and December 15 each year, with the first vesting date on March 31, 2026.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

4/A

Rhea-AI Filing Summary

Cipher Digital Inc. (CIFR) Chief Financial Officer Gregory J.D. Mumford reported converting 17,109 restricted stock units into 17,109 common shares on September 30, 2026. The report also lists 6,895 common shares delivered or withheld for payment of exercise price or tax liability, at $15.83 per share. His reported remaining position was 528,981 restricted stock units. The RSUs vest in equal quarterly installments over a three-year period, subject to continuous service on each applicable vesting date.

Insider Trade Summary

17,109 shares exercised/converted

Exercise 3 txns

Insider Mumford Gregory J.D.

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units ^{F1, F2}	17,109	$0.00	$0.00
Exercise	Common Stock ^F1	17,109	--	--
Exercise Price or Tax Liability	Common Stock	6,895	$15.83	$109K

Holdings After Transaction: Restricted Stock Units — 528,981 contracts (Direct); Common Stock — 30,421 shares (Direct)

Footnotes (2)

F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
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.

Key Figures

Restricted stock units converted: 17,109 units Common shares acquired: 17,109 shares Shares delivered or withheld: 6,895 shares +3 more

6 metrics

Restricted stock units converted 17,109 units September 30, 2026

Common shares acquired 17,109 shares Through conversion of restricted stock units on September 30, 2026

Shares delivered or withheld 6,895 shares September 30, 2026

Price per share $15.83 per share Shares delivered or withheld on September 30, 2026

Restricted stock units following transaction 528,981 units Reported position after the September 30, 2026 transaction

Vesting period Three years Equal quarterly installments, subject to continuous service

Key Terms

restricted stock unit, quarterly installments, continuous service

3 terms

restricted stock unit financial

"Each restricted stock unit ("RSU") represents a contingent right to receive one share"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

quarterly installments financial

"vest in equal quarterly installments over a three-year period"

continuous service technical

"subject to the Reporting Person's continuous service"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did CIFR CFO Gregory J.D. Mumford receive and deliver or withhold?

On September 30, 2026, Gregory J.D. Mumford acquired 17,109 common shares through conversion of 17,109 restricted stock units and delivered or withheld 6,895 common shares for payment of exercise price or tax liability at $15.83 per share. His reported remaining RSU position was 528,981 units.

What is the vesting schedule for CIFR CFO Gregory J.D. Mumford's RSUs?

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

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google

Available on EDGAR 10/08/2026 - 06:57 PM Accepted by SEC EDGAR 10/08/2026 - 06:56 PM

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

10017

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

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

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

4. If Amendment, Date of Original Filed (Month/Day/Year)
10/02/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	09/30/2026		M		17,109	A	⁽¹⁾	37,316	D
Common Stock	09/30/2026		F		6,895	D	$15.83	30,421	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	09/30/2026		M			17,109	⁽²⁾	⁽²⁾	Common Stock	17,109	$0	528,981	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, subject to the Reporting Person's continuous service on the applicable vesting date. The first vesting date occurred on March 31, 2026.

Remarks:

This Form 4 is being amended to include shares withheld to satisfy tax withholding obligations.

	/s/ William Iwaschuk, Attorney-in-Fact for Gregory Mumford	10/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR