CVB Financial Director Leads Insider Buys; Schwab Co-Chairman Sells $29.7M in Stock

A series of significant insider stock transactions were disclosed on Wednesday, providing a window into executive sentiment at several publicly traded companies. The activity was highlighted by a substantial purchase at CVB Financial Corp. and a multimillion-dollar sale by a top executive at Charles Schwab Corp., according to Form 4 filings with the U.S. Securities and Exchange Commission.

Notable Insider Purchases

Corporate executives and directors signaled confidence through several key stock buys this week.

• CVB Financial Corp. (NASDAQ:CVBF): Director Raymond V. O’Brien III acquired 20,000 shares of the bank holding company's stock on July 28. The transactions totaled approximately $455,300, executed at a weighted average price of $22.765 per share. This purchase increases O'Brien's direct holdings to 85,780 shares and comes as the stock trades near its 52-week high.
• Greenwich LifeSciences, Inc. (NASDAQ:GLSI): CEO and CFO Snehal Patel purchased 1,500 shares for $20,430 on July 27. The purchase was made at $13.62 per share, with the stock having declined significantly over the past six months.
• Dolphin Entertainment, Inc. (NASDAQ:DLPN): CEO William O’Dowd IV bought 4,400 shares for a total of $4,884 on July 27. The purchase occurred as the stock traded just above its 52-week low.

Significant Executive Sales

On the sell side, several executives disposed of large stock positions, some as part of pre-arranged trading plans.

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• Charles Schwab Corp. (NYSE:SCHW): Co-Chairman and director Walter W. Bettinger sold shares valued at approximately $29.7 million on July 27 and July 28. The sales were executed at prices ranging from $103.51 to $105.625, near the stock's 52-week high. The shares were held indirectly by a family trust.
• CoreWeave, Inc. (NASDAQ:CRWV): Chief Development Officer Brannin McBee sold 237,000 shares for a total of $16.8 million on July 27. The transactions were conducted under a Rule 10b5-1 trading plan, which was adopted in March 2026.
• BancFirst Corp (NASDAQ:BANF): Director and 10% owner David E. Rainbolt sold 81,492 shares in a single transaction on July 28, realizing proceeds of approximately $9.5 million. The sale was priced at $116.7113 per share.
• Ameriprise Financial Inc. (NYSE:AMP): William Jerryl Williams, President of the Wealth Management Advisor Group, sold 16,104 shares over two days for a total of roughly $8.7 million. The sales occurred as the stock traded near its 52-week peak.

Context for Investors

Monitoring insider trading activity can offer valuable market insights. Insider purchases are often interpreted as a bullish signal, suggesting that management believes the company's stock is undervalued or has strong future prospects.

Conversely, insider sales are not always a bearish indicator. Executives may sell shares for a variety of personal financial reasons, including portfolio diversification, tax planning, or funding large purchases. Sales conducted under pre-disclosed Rule 10b5-1 plans are scheduled in advance to avoid any appearance of trading on non-public information.