Thermo Fisher chairman & CEO Marc Casper sells $8.6m in company stock

Thermo Fisher Scientific Inc. Chairman and CEO Marc N. Casper disposed of 13,900 shares of the company's common stock on August 6, 2026, through a Rule 10b5-1 trading plan. The sales amounted to approximately $8.6 million, with shares sold at prices ranging from $571.0 to $580.01 per share. Casper sold some shares directly and others indirectly through Floral Park Associates, Inc. The company's stock trades at $588.29, up over 20% in the past year, giving Thermo Fisher a market capitalization of $217.5 billion.

Despite Thermo Fisher being considered overvalued by InvestingPro, the company reported strong second-quarter 2026 financial results, with adjusted earnings of $6.03 per share and revenue of $11.99 billion, surpassing Wall Street expectations. The company's adjusted operating margin improved to 22.8% from 21.9% a year earlier, driven by increased demand in pharma and biotech sectors, favorable conditions in academic and government markets, and recent acquisitions.

Casper also acquired 10,000 shares by exercising stock options, which he had held since February 25, 2021, and held 20,550 derivative securities in the form of stock options.