Thermo Fisher (TMO) CEO Marc N. Casper Sells Shares for Tax Withholding

What Happened

• Marc N. Casper, Chairman & CEO of Thermo Fisher Scientific, had 1,256.617 shares disposed on August 28, 2026 to satisfy tax withholding related to equity exercised. The shares were reported disposed at $622.18 per share — 724.766 shares ($450,935) and 531.851 shares ($330,907) — totaling about $781,842.
• This was a tax-withholding disposition (code F), not an open-market sale for investment purposes.

Key Details

• Transaction date: 2026-08-28; Report filed: 2026-09-01 (filed late vs. the usual 2-business-day Form 4 rule).
• Price per share: $622.18.
• Shares disposed: 724.766 and 531.851 (total 1,256.617).
• Proceeds/value reported: $450,935 and $330,907 (total ≈ $781,842).
• Shares owned after transaction: not specified in the provided filing.
• Footnote: The reporting person disclaims beneficial ownership of the securities reported herein except to the extent of any pecuniary interest (F1).
• Transaction code F indicates shares were withheld/used to cover tax obligations from equity exercises.

Context

• This is a routine tax-withholding transaction commonly seen after option exercises or equity vesting; it does not necessarily signal the insider is reducing their overall exposure by choice.
• For retail investors, purchases are typically more informative of insider sentiment; tax-withholding disposals are administrative and reflect tax obligations rather than a market-timing decision.