Mumford Gregory J.D. - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Mumford Gregory J.D.

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-10-14
Tax Withholding
2026-10-15
7:28 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
67,768$9.94491,634
(Direct)
View
2026-10-14
Exercise
2026-10-15
7:28 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
125,000$0491,634
(Direct)
View
2026-09-30
Tax Withholding(A)
2026-10-08
6:56 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
6,895$15.83559,402
(Direct)
View
2026-09-30
Exercise(A)
2026-10-08
6:56 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
17,109$0559,402
(Direct)
View
2026-09-30
Exercise
2026-10-02
6:35 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
17,109$0566,297
(Direct)
View
2026-06-30
Tax Withholding
2026-07-02
4:40 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
6,895$24.5566,297
(Direct)
View
2026-06-30
Exercise
2026-07-02
4:40 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
17,108$0566,297
(Direct)
View
2026-03-31
Tax Withholding
2026-04-07
6:18 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
7,114$12.87573,192
(Direct)
View
2026-03-31
Exercise
2026-04-07
6:18 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
17,108$0573,192
(Direct)
View
2026-02-25
Option Award
2026-02-27
5:23 pm
N/A
N/A
Cipher Digital Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
205,306$0580,306
(Direct)
View
2025-10-14
Option Award
2025-10-16
6:53 pm
N/A
N/A
Cipher Mining Inc.CIFRMumford Gregory J.D.
Chief Financial Officer
375,000$0375,000
(Direct)
View
(A) Indicate amendment filing.