Brent Pfeiffenberger

Companies

• Corbus PharmaceuticalsBoard member May 21, 2026 to now¹
• Century Therapeutics (United States)Board member Dec 6, 2023 to now²
• Century Therapeutics (United States)Chief executive officer Dec 6, 2023 to now²
• Century Therapeutics (United States)President Dec 6, 2023 to now²
• Butterfly Network, Inc.Board member Mar 11, 2024 to May 24, 2024³
• Butterfly Network, Inc.Chief executive officer Mar 11, 2024 to May 24, 2024³
• Butterfly Network, Inc.President Mar 11, 2024 to May 24, 2024³

Holdings

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

Shares held

• CTCentury Therapeutics (United States) IPSC3,633,839 shares⁴$5.4M at $1.48Sep 11, 2026
• Corbus Pharmaceuticals CRBP7,500 shares⁵$33.0K at $4.40May 19, 2026
• BNButterfly Network, Inc. BFLY0 shares⁶May 24, 2024

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

Recent filings

• Sep 11, 2026Shares withheld for tax 13,850 shares at $1.94 of Century Therapeutics (United States)⁴
• Sep 4, 2026Shares withheld for tax 463 shares at $2.11 of Century Therapeutics (United States)⁷
• Aug 14, 2026Shares withheld for tax 31,172 shares at $1.92 of Century Therapeutics (United States)⁸
• Jun 11, 2026Shares withheld for tax 13,849 shares at $2.24 of Century Therapeutics (United States)⁹
• Jun 5, 2026Shares withheld for tax 463 shares at $2.13 of Century Therapeutics (United States)¹⁰
• May 19, 2026Granted 7,500 shares of Corbus Pharmaceuticals⁵
• May 15, 2026Shares withheld for tax 31,172 shares at $2.34 of Century Therapeutics (United States)¹¹
• Mar 11, 2026Shares withheld for tax 55,397 shares at $2.73 of Century Therapeutics (United States)¹²
• Mar 6, 2026Shares withheld for tax 463 shares at $2.56 of Century Therapeutics (United States)¹³
• Feb 13, 2026Shares withheld for tax 31,172 shares at $1.75 of Century Therapeutics (United States)¹⁴
• Feb 2, 2026Granted 475,000 shares of Century Therapeutics (United States)¹⁵
• Dec 12, 2025Bought 52,000 shares at $0.58 of Century Therapeutics (United States)¹⁶
• Dec 10, 2025Shares withheld for tax 463 shares at $0.53 of Century Therapeutics (United States)¹⁷
• Nov 19, 2025Bought 35,000 shares at $0.50 of Century Therapeutics (United States)¹⁸
• Nov 17, 2025Sold 32,456 shares at $0.45 of Century Therapeutics (United States)¹⁹
• Sep 8, 2025Sold 488 shares at $0.50 of Century Therapeutics (United States)²⁰
• Aug 14, 2025Granted 1,587,614 shares of Century Therapeutics (United States)²¹
• Jun 9, 2025Sold 475 shares at $0.62 of Century Therapeutics (United States)²²
• May 16, 2025Sold 29,552 shares at $0.55 of Century Therapeutics (United States)²³
• Mar 11, 2025Granted 521,500 shares of Century Therapeutics (United States)²⁴
• Mar 10, 2025Sold 2,235 shares at $0.62 of Century Therapeutics (United States)²⁴
• Feb 18, 2025Sold 34,712 shares at $0.78 of Century Therapeutics (United States)²⁵
• Dec 4, 2024Shares withheld for tax 243,447 shares at $1.44 of Century Therapeutics (United States)²⁶
• Mar 7, 2024Granted 17,425 shares of Butterfly Network, Inc.²⁷
• Mar 7, 2024Granted 17,425 shares of Century Therapeutics (United States)²⁸