Pfeiffenberger Brent 4

What Happened
Brent Pfeiffenberger, President & CEO and a director of Century Therapeutics (IPSC), had 55,397 shares withheld by the company on March 11, 2026 to satisfy tax withholding related to the vesting of restricted stock units. The withholding was reported at $2.73 per share, for a notional value of $151,234. This was a tax-withholding disposition (code F), not an open-market sale or purchase.

Key Details

• Transaction date: 2026-03-11; filing date: 2026-03-13 (timely filing).
• Shares withheld/disposed: 55,397 at $2.73 each — notional amount $151,234.
• Shares owned after transaction: Not specified in the summary information provided.
• Footnote: F1 — shares were withheld by the issuer to satisfy tax withholding obligations in connection with RSU vesting.
• Transaction code: F (tax withholding/cashless share surrender), not a buy or market sale.

Context
This is a routine tax-withholding event tied to RSU vesting (commonly called "sell-to-cover" or share withholding) and does not necessarily indicate the insider's view on the company. Unlike an open-market sale or a purchase, withheld shares are surrendered to pay taxes rather than to realize additional cash benefits or make an investment decision.