LYTIR

Insider · SEC Form 4 · Chairman & CEO

Marc N. Casper

Filed with the SEC as CASPER MARC N; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: sold $32.8M of TMO. Filed a median of 1 business day after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

  1. TMOSold: THERMO FISHER SCIENTIFIC INC. Aug 24, 2026 275 shares filed Aug 26, 2026 4 transactions 10b5-1 plan filing $172K
  2. TMOSold: THERMO FISHER SCIENTIFIC INC. Aug 21, 2026 10,000 shares filed Aug 24, 2026 5 transactions 10b5-1 plan filing $6.3M
  3. TMOSold: THERMO FISHER SCIENTIFIC INC. Aug 20, 2026 10,000 shares filed Aug 24, 2026 9 transactions 10b5-1 plan filing $6.3M
  4. TMOSold: THERMO FISHER SCIENTIFIC INC. Aug 7, 2026 4,883 shares filed Aug 10, 2026 27 transactions 10b5-1 plan filing $2.9M
  5. TMOSold: THERMO FISHER SCIENTIFIC INC. Aug 6, 2026 15,000 shares filed Aug 7, 2026 18 transactions 10b5-1 plan filing $8.6M
  6. TMOSold: THERMO FISHER SCIENTIFIC INC. Aug 5, 2026 15,000 shares filed Aug 7, 2026 22 transactions 10b5-1 plan filing $8.6M

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • TMO: option exercise or conversion (code M), 6 entries, Aug 5 to Aug 24, 2026
  • TMO: shares withheld for tax or exercise price (code F), 2 entries, Aug 28, 2026
Code F
Shares paid to, or withheld by, the company to cover an exercise price or the tax due on an award.
Code M
An exercise or conversion of a derivative security received from the company, such as stock options.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.