Form 4: Director Sells PB Shares Under Pre-Arranged 10b5-1 Plan

Prosperity Bancshares Director Ned S. Holmes sold 1,100 shares of common stock across multiple transactions on October 15, 2025, under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Ned S. Holmes, a Director of Prosperity Bancshares Inc. (PB), reported the sale of common stock.
• The transactions occurred on October 15, 2025, and were executed under a Rule 10b5-1(c) contract, instruction, or written plan.
• A total of 1,100 shares of common stock were disposed of across six separate transactions.
• The sales included 412 shares at a weighted average price of $65.0782, 88 shares at $66.0167, 399 shares at $65.0833, 101 shares at $66.1225, 73 shares at $65.0163, and 27 shares at $65.9163.
• Following these transactions, Ned S. Holmes directly owns 91,003 shares and indirectly owns 108,193 shares through a profit-sharing plan, 43,600 shares as trustee for an adult daughter's trust, 2,000 shares by spouse, 8,820 shares as trustee for grandchildren's trust, 3,720 shares by trust, and 70,070 shares by a limited partnership.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While it's an insider sale, the disclosure of a 10b5-1 plan indicates a pre-scheduled transaction, which typically carries less negative implication than an unplanned sale.

Positives

• The transactions were made pursuant to a Rule 10b5-1(c) plan, indicating a pre-scheduled sale rather than a reaction to immediate market conditions, which can reduce concerns about insider market timing.

Negatives

• Insider selling, even if pre-planned, can sometimes be perceived negatively by investors, potentially signaling a lack of confidence or a desire to diversify holdings.

Risks

• No specific risks are detailed in this Form 4 filing beyond the general market perception of insider selling.

Future Outlook

This Form 4 filing reports past insider transactions and does not contain any forward-looking statements or guidance regarding the company's future performance.

Industry Context

This filing is specific to an insider transaction at Prosperity Bancshares and does not provide broader industry context or trends.

Related Party Transactions

• The reported sales are insider transactions by a Director, which are a form of related party dealing concerning equity ownership.

Stakeholder Impact

• Shareholders may note the director's sale, but the 10b5-1 plan mitigates concerns about market timing.
• No direct impact on employees, customers, suppliers, or creditors is indicated by this filing.

Key Dates

Keywords

Prosperity Bancshares, PB, Insider Sale, Form 4, Ned S. Holmes, Director, 10b5-1 Plan, Common Stock, Equity Transaction