Duffie Ashley B 4

What Happened

• Ashley B. Duffie, Senior Vice President & General Counsel of Celanese Corporation (CE), had 618 performance-based restricted stock units (PRSUs) vest and settle on Feb 15, 2026 (award code A). Those shares were recorded at $0.00 acquisition cost.
• To cover tax withholding on the vesting, 183 shares were surrendered/disposed (code F) at $59.12 per share, equal to about $10,819. Net shares added to Duffie’s holdings from this vesting: 435 shares (618 received − 183 withheld).
• This is a compensation-related vesting event (not an open-market buy or intentional sale).

Key Details

• Transaction date(s): 2026-02-15; Form 4 filed: 2026-02-18 (within the standard two business-day filing window).
• Award received: 618 shares (code A) at $0.00 per share.
• Shares withheld for taxes: 183 shares (code F) at $59.12 per share; withholding value ≈ $10,819.
• Net shares retained from vesting: 435 shares.
• Footnotes: F1 — PRSUs granted 2/8/2023 under the 2018 Global Incentive Plan vested and were settled. F2 — 183 shares were withheld to pay taxes on the vesting.
• Shares owned after the transaction: not specified in the provided filing excerpt.

Context

• PRSU vesting is a routine form of equity compensation; withholding shares to cover taxes is common and does not reflect an open-market sale motivated by investment views.
• This was a settlement of previously granted performance awards rather than a purchase or exercise for cash proceeds.