Form 4: Western Alliance Director Sells Over $2M in Shares

Marianne Boyd Johnson, a Director at Western Alliance Bancorporation, sold over 23,000 shares of common stock across multiple transactions on December 15, 2025, pursuant to a pre-arranged trading plan.

Summary

• Marianne Boyd Johnson, a Director of Western Alliance Bancorporation (WAL), reported the sale of 23,142 shares of common stock on December 15, 2025.
• The sales were executed in multiple transactions at weighted average prices ranging from $86.50 to $87.95 per share, totaling approximately $2.01 million.
• These transactions were conducted pursuant to a Rule 10b5-1(c) trading plan, indicating they were pre-scheduled.
• Following these sales, Ms. Johnson's direct beneficial ownership is 9,945 shares.
• Indirect beneficial ownership includes 2,496 shares through her spouse, 149,634 shares through The Marianne E. Boyd Trust, 148,525 shares through WSB-WAL LLC, and 4,010,189 shares through SMW WAL Irrevocable Trust, though she disclaims beneficial ownership in all but 1,336,730 shares of the latter.

Sentiment

Score: 4

Explanation: The sale of over $2 million in shares by a director, even if pre-planned, is generally viewed with caution by investors. While a 10b5-1 plan mitigates concerns about opportunistic trading, it still represents a reduction in insider ownership.

Negatives

• A Director's sale of a significant number of shares (23,142 shares) could be perceived negatively by investors, potentially signaling a lack of confidence, even if executed under a 10b5-1 plan.
• The total value of shares sold is approximately $2.01 million, representing a substantial divestment by an insider.

Future Outlook

Not applicable as this is a transaction report, not a forward-looking statement.

Industry Context

This is an insider transaction report for a regional bank director. Insider selling can be a common occurrence for various personal financial planning reasons, especially when executed under a Rule 10b5-1 plan, which pre-schedules trades to avoid accusations of trading on material non-public information. The broader banking industry context is not directly addressed by this specific filing.

Related Party Transactions

• Sales were made from various trusts (William R. Boyd Subtrust, Samuel J. Boyd Subtrust, Marianne Boyd Johnson Subtrust) where the reporting person has beneficial ownership, which are considered related parties in the context of insider reporting.

Stakeholder Impact

• Shareholders: May interpret the director's sale as a negative signal, potentially leading to increased selling pressure or a re-evaluation of the stock's prospects.

Key Dates

Recommendation

While the sale of over $2 million in shares by a director is a notable event, the fact that it was executed under a Rule 10b5-1 plan suggests it was a pre-arranged transaction for personal financial planning rather than a reaction to new, negative material information. Investors should monitor future insider activity and company performance, but this single transaction, while significant, does not immediately warrant a 'sell' recommendation without further context or additional negative signals. A 'hold' recommendation is appropriate to observe further developments.

Keywords

Western Alliance Bancorporation, WAL, Insider Trading, Form 4, Stock Sale, Director, Marianne Boyd Johnson, 10b5-1 Plan, Beneficial Ownership