Insider Trading: Durable Capital Buys Goosehead Insurance, SRB Corp Sells $127.8M in Safety Insurance Group

A series of significant insider transactions were disclosed Tuesday, providing investors with a view into how key executives and major shareholders are positioning themselves. The activity was highlighted by a multi-million dollar purchase in Goosehead Insurance by a major investment firm and a substantial divestment in Safety Insurance Group by a 10% owner.

Major Insider Purchases

Corporate insiders reported several large stock acquisitions, often interpreted by market participants as a sign of confidence in their company's future prospects.

• Goosehead Insurance, Inc. (GSHD): Durable Capital Partners LP, a 10% owner, acquired 153,723 shares for approximately $9.1 million. The transactions occurred on July 24 and July 27, 2026, at prices between $57.75 and $62.00 per share.
• Albertsons Companies, Inc. (ACI): Executive Vice President Thomas M. Moriarty purchased 170,500 shares for a total of $1.96 million. The shares were bought on July 27, 2026, at a price of $11.509 each, as the stock traded near its 52-week low.
• Artiva Biotherapeutics, Inc. (ARTV): RA Capital Management, a director and 10% owner, bought 41,319 shares for $412,776 on July 24, 2026.
• MapLight Therapeutics, Inc. (MPLT): Director Troy Cox purchased 15,620 shares for $148,702 on July 28, 2026.
• Kearny Financial Corp. (KRNY): Director Curtland E. Fields acquired 14,700 shares for $138,273 on July 27, 2026.

Notable Insider Sales

On the sell side, several executives and large stakeholders divested significant portions of their holdings, with the largest transaction topping $127 million.

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• Safety Insurance Group Inc. (SAFT): SRB Corporation, a 10% owner, sold 1,240,352 shares for a total of approximately $127.8 million. The sale on July 27, 2026, occurred as the stock was trading near its 52-week high.
• Micron Technology Inc. (MU): President and CEO Sanjay Mehrotra sold shares totaling over $37.2 million in a series of transactions on July 24, 2026. The disclosures noted these sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted in January 2026.
• United Therapeutics Corp (UTHR): Chairperson and CEO Martine A. Rothblatt sold 9,500 shares for approximately $5 million on July 28, 2026. The sale followed the exercise of stock options.
• The Charles Schwab Corp (SCHW): Co-Chairman Charles R. Schwab sold 45,500 shares for a total of $4.6 million on July 24, 2026.

Context for Investors

Insider trading activity is closely monitored as it can offer clues into leadership's perspective on a company's valuation and outlook. While substantial purchases by executives or directors can be a bullish indicator, sales are not always a signal of negative sentiment.

Insider sales can be motivated by a variety of factors unrelated to a company's performance, including personal financial planning, tax obligations, or portfolio diversification. Transactions conducted under Rule 10b5-1 plans, as seen with Micron's CEO, are scheduled in advance to avoid conflicts of interest and may not reflect an executive's current view of the stock.