PARTRIDGE MATTHEW MORRIS 4

What Happened Matthew Morris Partridge, CEO of Seaport Entertainment Group Inc. (SEG), had 4,918 shares of company common stock withheld to satisfy tax withholding obligations tied to the vesting of equity. The withholding was recorded at $21.46 per share, resulting in a disposition value of $105,540. This is a tax-withholding share disposition (transaction code F), not an open-market sale.

Key Details

• Transaction date: April 1, 2026; Filing date: April 3, 2026 (filed timely).
• Price: $21.46 per share; Total disposed (withheld) value: $105,540.
• Shares withheld/disposed: 4,918 shares.
• Shares owned after transaction: Not disclosed in the provided filing excerpt.
• Footnote: The issuer withheld 4,918 shares to pay the tax liability incident to the vesting of shares granted under the Issuer’s 2024 Equity Incentive Plan (footnote F1).
• Transaction code: F (tax withholding / payment of tax liability).

Context This was a routine tax-withholding event tied to vested equity (a "sell-to-cover"/net settlement), not an active sale on the open market or a purchase. Such withholding transactions are common and typically reflect tax obligations rather than an insider signaling a view on the company's stock.