William C. Regan

Companies

• Big Digital Energy, Inc.Chief financial officer Apr 3, 2025 to now¹
• Everything Blockchain, Inc.Chief financial officer Jun 29, 2022 to Jun 29, 2022²
• RentechVP, Corporate Controller Apr 29, 2016 to Dec 16, 2016³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• BDBig Digital Energy, Inc. BGDE37,052 shares⁴$176.0K at $4.75Apr 6, 2026
• EBEverything Blockchain, Inc. EBZT5,000 shares⁵$155 at $0.03Jun 29, 2022

As of each latest filing. The line shows shares held over time.

Recent filings

• Apr 6, 2026Shares withheld for tax 8,183 shares at $2.59 of Big Digital Energy, Inc.⁴
• Apr 6, 2026Exercised options 23,923 shares of Big Digital Energy, Inc.⁴
• Jan 5, 2026Shares withheld for tax 3,078 shares at $4.55 of Big Digital Energy, Inc.⁶
• Jan 5, 2026Exercised options 8,197 shares of Big Digital Energy, Inc.⁶
• Dec 24, 2025Shares withheld for tax 7,730 shares at $4.18 of Big Digital Energy, Inc.⁷
• Dec 18, 2025Granted 23,923 shares of Big Digital Energy, Inc.⁸