Western Alliance Bancorporation: CEO Kenneth Vecchione sold 1,571 shares

What happened

• Kenneth Vecchione, chairman, president & CEO, exercised or converted derivative units for 539, 437 and 595 shares and the filing shows dispositions to the issuer for those 539, 437 and 595 shares at $74.35 each on Oct 15, 2026, totaling $116,804. The filing lists acquisition prices of $0.00 for the three exercised/converted lots; it also reports the related derivative conversion entries with N/A price.

Key details

• Transaction date and price: Oct 15, 2026; disposed to issuer at $74.35 per share.
• Shares sold: 539, 437 and 595 shares (total 1,571 shares); proceeds reported as $40,075, $32,491 and $44,238, respectively (total $116,804).
• Shares owned after the transaction: not stated in the filing.
• Relevant footnotes: F1/F3/F4 — the units vest and are payable solely in cash on a monthly schedule (1/36th each month) beginning Mar 2024 (ending Feb 2027), Mar 2025 (ending Feb 2028) and Mar 2026 (ending Feb 2029); F2 — each unit equals one share economically; F5 — reflects 401(k) plan holdings including employer match as of Oct 15, 2026.
• Filing date: Oct 19, 2026; the filing does not indicate a late filing.

Why it may matter

• The filing shows exercise/conversion of derivative units and immediate disposition of the resulting shares to the issuer on the same day, consistent with an immediate sale following conversion.
• The derivative entries are listed separately (some with N/A price) and the units are described as cash-settled/vested per the footnotes.
• A filing does not show why the insider traded or why the company acted.