$TMO · Thermo Fisher Scientific Inc.

Thermo Fisher Scientific Inc. filed a Form 4 reporting a change in beneficial ownership by Dion J. Weisler, a director of the company. The filing states that on September 26, 2026, Weisler acquired 55.56 phantom stock units at a price of $675.00 per unit under the company’s Deferred Compensation Plan for Directors. These units convert into common stock on a one-for-one basis.

The phantom stock units represent directors’ retainers that are deferred quarterly as common stock units based on the closing price of the stock as of the quarter end. Under the plan, the shares are distributable as stock upon cessation of director service for any reason or upon a change of control.

Following the reported transaction, Weisler beneficially owned a total of 2,846.55 phantom stock units directly. The filing does not describe any sale or other disposition of securities.