Mumford Gregory J.D.

Mumford Gregory J.D. serves as the Chief Financial Officer of Cipher Mining Inc., a firm focused on technology within the cryptocurrency sector. His recent public disclosures include six filings from October 16, 2025, to July 2, 2026, all related to Cipher Mining Inc. (CIFR). The disclosures reveal a range of amounts from $168.9K to $91.6K, with the largest recorded move being a grant/exercise valued at approximately $168,927.50 on July 2, 2026.