Guardant Health Plunges 11.05% Amid Insider Trading Concerns

On September 4, 2025, Guardant Health's stock experienced a significant drop of 11.05% in pre-market trading, indicating a notable shift in investor sentiment towards the company.

Guardant Health's recent insider trading activity has drawn attention, with director Kumud Kalia reporting the vesting of 711 RSU shares and the sale of 361 shares at $67.42 on September 1, 2025. This transaction left Kalia with 18,850 shares, raising questions about the company's internal dynamics and potential strategic moves.

Investors are closely monitoring these developments, as insider trading activities often provide insights into a company's future prospects and management confidence. The sale of shares by a high-ranking executive could signal concerns about the company's performance or strategic direction, potentially influencing market sentiment and contributing to the recent stock price decline.