Mumford Gregory J.D. Insider Trades

Insider Trading History

Track insider trading activity for Mumford Gregory J.D.. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Cipher Mining
Cipher Mining CIFR
Chief Financial Officer
Holding Value $255k 9,994 shares
Last Trade
Mar 31, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$91.6k 7,114 shares
$12.87
$25.55
Cipher Mining
Cipher Mining CIFR
Chief Financial Officer
Holding Value $437k 17,108 shares
Last Trade
Mar 31, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$220k 17,108 shares
$12.86
$25.55
Cipher Mining- Warrants (26/08/2026)
Cipher Mining- Warrants (26/08/2026) CIFRW
Chief Financial Officer
Holding Value $2.3M 563,198 shares
Last Trade
Mar 31, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$70k 17,108 shares
$4.09
$4.09
Cipher Mining- Warrants (26/08/2026)
Cipher Mining- Warrants (26/08/2026) CIFRW
Chief Financial Officer
Holding Value $70k 17,108 shares
Last Trade
Mar 31, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$70k 17,108 shares
$4.09
$4.09
Cipher Mining- Warrants (26/08/2026)
Cipher Mining- Warrants (26/08/2026) CIFRW
Chief Financial Officer
Holding Value $40.9k 9,994 shares
Last Trade
Mar 31, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$29.1k 7,114 shares
$4.09
$4.09
Cipher Mining
Cipher Mining CIFR
Chief Financial Officer
Holding Value $14.4M 563,198 shares
Last Trade
Mar 31, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$220k 17,108 shares
$12.86
$25.55
Cipher Mining
Cipher Mining CIFR
Chief Financial Officer
Holding Value $14.8M 580,306 shares
Last Trade
Feb 25, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.41M 205,306 shares
$16.61
$25.55
Cipher Mining- Warrants (26/08/2026)
Cipher Mining- Warrants (26/08/2026) CIFRW
Chief Financial Officer
Holding Value $2.37M 580,306 shares
Last Trade
Feb 25, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$840k 205,306 shares
$4.09
$4.09
Cipher Mining- Warrants (26/08/2026)
Cipher Mining- Warrants (26/08/2026) CIFRW
Chief Financial Officer
Holding Value $1.53M 375,000 shares
Last Trade
Oct 14, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.91M 375,000 shares
$10.43
$4.09
Cipher Mining
Cipher Mining CIFR
Chief Financial Officer
Holding Value $9.58M 375,000 shares
Last Trade
Oct 14, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$7.83M 375,000 shares
$20.89
$25.55

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