Thermo Fisher (TMO) CEO Marc N. Casper Exercises Options, Sells Shares

What Happened
Marc N. Casper, Chairman & CEO of Thermo Fisher Scientific (TMO), exercised 275 stock option shares on August 7, 2026 at an exercise price of $309.63 (cost = $85,148). On the same day he sold a total of 4,883 shares in a series of open-market transactions at prices generally in the $579–$593 range, generating aggregate proceeds of approximately $2.86 million. The Form 4 also reports a related derivative entry (275 shares at $0.00) reflecting conversion/settlement of the optioned shares.

Key Details

• Transaction date: August 7, 2026; Form 4 filed August 10, 2026 (timely filing).
• Option exercise: 275 shares at $309.63 (Code M).
• Open-market sales: 4,883 shares (multiple lots) for ~ $2,862,001 total proceeds (Code S).
• Reported sale prices ranged roughly from $579.26 to $593.36 (weighted-average prices used; see footnotes for exact ranges).
• Plan/authorization: Transactions were effected under a Rule 10b5‑1 trading plan adopted April 27, 2026 (Footnote F1).
• Beneficial ownership note: the reporting person disclaims beneficial ownership of certain securities reported as indirectly beneficially owned (Footnote F14).
• Filing timeliness: Filed within the expected window (not marked late).

Context

• Derivative/exercise explanation: Code M indicates an option exercise/conversion. Because the exercise and multiple sales occurred on the same date, this resembles a cashless exercise or immediate disposition of at least some shares to cover exercise costs/taxes.
• Investor takeaway: This filing shows a net sale of shares by the CEO financed in part by exercise of options; sales were made under a prearranged 10b5‑1 plan. Such routine exercises and plan-driven sales are common and do not by themselves indicate the insider’s private view of the company’s prospects.