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Marc N Casper, Chairman & CEO at Thermo Fisher Scientific, sold TMO on Aug 20, 2026

Data as of Oct 16

▼ SELL$787K1,250 shares at $629.85Marc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.
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Traded
Aug 20, 2026
Disclosed
Aug 24, 2026
Filed
4 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Marc N Casper, Chairman & CEO at Thermo Fisher Scientific, sold TMO on Aug 20, 2026TRADEDDISCLOSED
TMOSimilar stocks (XLV — its sector index fund), rebased to TMO's price on the disclosure day
TMO since disclosure
+9.7%
after the sale
Similar stocks (XLV) since disclosure
+1.2%
XLV — its sector index fund

Change in closing price from Aug 24, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$1.3Mdisclosed Aug 24 · filed 3 days after the trade
  2. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$1.7Mdisclosed Aug 24 · filed 3 days after the trade
  3. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$1.1Mdisclosed Aug 24 · filed 3 days after the trade
  4. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$1.9Mdisclosed Aug 24 · filed 3 days after the trade
  5. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$202Kdisclosed Aug 24 · filed 3 days after the trade
  6. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$825Kdisclosed Aug 24 · filed 4 days after the trade
  7. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$50.7Kdisclosed Aug 24 · filed 4 days after the trade
  8. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$354Kdisclosed Aug 24 · filed 4 days after the trade
  9. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$569Kdisclosed Aug 24 · filed 4 days after the trade
  10. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$653Kdisclosed Aug 24 · filed 4 days after the trade
  11. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$1.6Mdisclosed Aug 24 · filed 4 days after the trade
  12. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$904Kdisclosed Aug 24 · filed 4 days after the trade
  13. ▼ SELLMarc N Casper Chairman & CEOTMO Thermo Fisher Scientific Inc.$515Kdisclosed Aug 24 · filed 4 days after the trade

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