DEWEY DUANE A 4

What Happened
Duane A. Dewey, President & CEO and a director of Trustmark Corporation (TRMK), had 23,260 performance-based restricted stock units vest on Feb 17, 2026 (recorded as an award). To satisfy tax withholding on the vesting, 8,847 shares were withheld (disposed) at $44.82 per share, totaling $396,523. The award was reported as acquired at $0.00 because it was a vested grant of RSUs.

Key Details

• Transaction dates: February 17, 2026 (reported to the SEC on Feb 18, 2026).
• Award: 23,260 shares granted/vested (recorded at $0.00).
• Tax withholding (disposition): 8,847 shares withheld @ $44.82 = $396,523.
• Shares owned after transaction: Not disclosed in the filing.
• Footnotes: F1 — The award reflects 165% vesting of performance-based RSUs granted Feb 15, 2023; performance period ended Dec 31, 2025 and vesting was certified by the HR Committee on Feb 17, 2026. F2 — Shares were withheld to satisfy tax withholding obligations.
• Filing timeliness: Reported to the SEC on Feb 18, 2026 for the Feb 17, 2026 vesting/withholding.

Context
This was a compensation event (vesting of performance-based RSUs) rather than an open-market sale or purchase. The withholding of shares to meet tax obligations is a common, routine cashless settlement method that reduces the net shares the insider receives and does not necessarily indicate a change in the insider’s view of the company.