Pfeiffenberger Brent
SEC insider (Form 3/4/5 filer). CIK 0002001162. President and CEO at Century Therapeutics, Inc. (IPSC) and 1 other issuer. 23 reported Form 4/5 transactions since Sep 2024; latest on Sep 11, 2026. Located in PHILADELPHIA, PA.
Companies Pfeiffenberger Brent has filed insider reports for
- Century Therapeutics, Inc. (IPSC): Director, Officer, President and CEO
- Corbus Pharmaceuticals Holdings, Inc. (CRBP): Director
Pfeiffenberger Brent
CIK: 0002001162
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (23 total)
- Sep 11, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect13.9K shares at avg. $1.94$27K - Sep 4, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect463 shares at avg. $2.11$976.93 - Aug 14, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect31.2K shares at avg. $1.92$60K - Jun 11, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect13.8K shares at avg. $2.24$31K - Jun 5, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect463 shares at avg. $2.13$986.19 - May 19, 2026CRBP
Corbus Pharmaceuticals Holdings, Inc.
AwardDirect7.5K shares- - May 15, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect31.2K shares at avg. $2.34$73K - Mar 11, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect55.4K shares at avg. $2.73$151K - Mar 6, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect463 shares at avg. $2.56$1K - Feb 13, 2026IPSC
Century Therapeutics, Inc.
Tax PaymentDirect31.2K shares at avg. $1.75$55K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 11, 2026 |  IPSC Century Therapeutics, Inc. | Tax Payment | 13,850 | $1.94 | $26,869 | Direct |
| Sep 4, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 463 | $2.11 | $977 | Direct |
| Aug 14, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 31,172 | $1.92 | $59,850 | Direct |
| Jun 11, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 13,849 | $2.24 | $31,022 | Direct |
| Jun 5, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 463 | $2.13 | $986 | Direct |
| May 19, 2026 |  CRBP Corbus Pharmaceuticals Holdings, Inc. | Award | 7,500 | - | $0 | Direct |
| May 15, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 31,172 | $2.34 | $72,942 | Direct |
| Mar 11, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 55,397 | $2.73 | $151,234 | Direct |
| Mar 6, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 463 | $2.56 | $1,185 | Direct |
| Feb 13, 2026 | IPSC Century Therapeutics, Inc. | Tax Payment | 31,172 | $1.75 | $54,551 | Direct |
1-10 of 23 transactions