DUMLAO TROY 4

What Happened Troy Dumlao, EVP and Chief Accounting Officer of Enterprise Financial Services Corp., had 380 restricted stock units (RSUs) vest on April 14, 2026. The RSUs converted to common shares at no cash cost ($0.00 per share). To satisfy tax withholding, 168 of those shares were withheld and disposed at $58.30 each, totaling $9,794. Net shares received by Dumlao from the vesting event were 212 shares (380 granted − 168 withheld).

Key Details

• Transaction date: April 14, 2026.
• Vest/conversion: 380 shares converted from RSUs (reported as derivative exercise, code M) at $0.00.
• Tax withholding: 168 shares withheld/paid (code F) at $58.30 per share = $9,794.
• Net shares received: 212 common shares.
• Shares owned after transaction: not disclosed in this Form 4 filing.
• Relevant footnotes: F1 = withholding of stock to satisfy tax obligations; F9 = RSUs vested with final vest date April 14, 2026.
• Filing timeliness: no late filing indicated in the provided information.

Context This was a standard vesting/tax-withholding event (RSUs converting to common stock), not an open-market purchase or sale for cash. The RSUs converted without a cash exercise price; withholding of shares to cover taxes is routine and does not necessarily indicate a bullish or bearish signal by the insider.