• Thermo Fisher Chairman and CEO Marc N. Casper exercised stock options for 10,000 shares at USD 309.63 on Aug. 5, 2026.
• Casper sold 9,925 shares in multiple trades at roughly USD 566.25 to USD 577.56 under a Rule 10b5-1 plan.
• Directly held shares fell to 123,925 following the transactions.
• Options beneficially owned declined to 30,550 following the exercise.

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