BOSHOFF CHRISTOFFEL 4

What Happened Christoffel Boshoff, President, R&D at Pfizer (PFE), had 816 shares withheld to satisfy tax withholding obligations upon the vesting of restricted stock units. The withholding was reported as a disposition of 816 shares at $27.06 per share, for a total value of approximately $22,081. This was a tax-withholding event (routine) rather than an open-market sale or purchase.

Key Details

• Transaction date: 2026-02-23; filing date: 2026-02-24 (filed the next day, appears timely).
• Price reported: $27.06 per share; total value of shares withheld: ~$22,081.
• Transaction code: F — withholding of shares to satisfy tax obligations on vested RSUs (see footnote F1).
• Shares owned after the transaction: not specified in this filing.
• Footnote: F1 confirms the transfer constituted withholding to satisfy tax obligations upon RSU vesting, including dividend equivalents.

Context Withholding shares to cover taxes is a common, administrative action when restricted stock units vest and does not necessarily indicate any change in insider confidence. This is effectively a cashless tax payment, not an open-market sale or new purchase.