SEC Form 4 · accession 0000097745-26-000152
THERMO FISHER SCIENTIFIC INC. · TMO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Marc N Casper
Officer — Chairman & CEO · Director
Period of report
Aug 20, 2026
Accepted (ET)
Aug 24, 2026 · 4:02 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000097745
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 20, 2026 | M | 10,000 | $309.63 | A | 133,925 | D | |
| Common StockF2 | Aug 20, 2026 | S | 909 | $625.45 | D | 133,016 | D | |
| Common StockF3 | Aug 20, 2026 | S | 821 | $626.83 | D | 132,195 | D | |
| Common StockF4 | Aug 20, 2026 | S | 1,314 | $627.66 | D | 130,881 | D | |
| Common StockF5 | Aug 20, 2026 | S | 2,601 | $628.82 | D | 128,280 | D | |
| Common StockF6 | Aug 20, 2026 | S | 1,250 | $629.85 | D | 127,030 | D | |
| Common StockF7 | Aug 20, 2026 | S | 1,035 | $630.87 | D | 125,995 | D | |
| Common StockF8 | Aug 20, 2026 | S | 1,430 | $632.01 | D | 124,565 | D | |
| Common StockF9 | Aug 20, 2026 | S | 560 | $632.94 | D | 124,005 | D | |
| Common Stock | Aug 20, 2026 | S | 80 | $633.99 | D | 123,925 | D | |
| Common Stock | Aug 21, 2026 | M | 10,000 | $309.63 | A | 133,925 | D | |
| Common StockF10 | Aug 21, 2026 | S | 2,727 | $625.46 | D | 131,198 | D | |
| Common StockF11 | Aug 21, 2026 | S | 3,014 | $626.51 | D | 128,184 | D | |
| Common StockF12 | Aug 21, 2026 | S | 1,791 | $627.39 | D | 126,393 | D | |
| Common StockF13 | Aug 21, 2026 | S | 2,147 | $628.61 | D | 124,246 | D | |
| Common StockF14 | Aug 21, 2026 | S | 321 | $629.10 | D | 123,925 | D | |
| Common StockF15 | holding | — | — | — | 11,300 | I | By Alison Casper 2020 Irrevocable Trust | |
| Common StockF15 | holding | — | — | — | 5,000 | I | By MNC 2020 Irrevocable Trust |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F16 | $309.63 | Aug 20, 2026 | M | 10,000 | D | — | Feb 25, 2027 | Common Stock | 10,000 | 10,275 | D |
| Stock Option (Right to Buy)F16 | $309.63 | Aug 21, 2026 | M | 10,000 | D | — | Feb 25, 2027 | Common Stock | 10,000 | 275 | D |
Explanation of responses
- F1The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 27, 2026.
- F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $625.00 to $625.97, inclusive.
- F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $626.00 to $626.99, inclusive.
- F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $627.00 to $627.99, inclusive.
- F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $628.00 to $628.94, inclusive.
- F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $629.00 to $629.20, inclusive.
- F15The reporting person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.
- F16The option vested in four equal installments on February 25, 2021, 2022, 2023, and 2024.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $625.00 to $625.80, inclusive. The reporting person undertakes to provide to Thermo Fisher Scientific Inc. ("TMO"), any security holder of TMO or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13) and (14) to this Form 4.
- F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $626.17 to $627.08, inclusive.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $627.33 to $628.29, inclusive.
- F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $628.36 to $629.33, inclusive.
- F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $629.41 to $630.37, inclusive.
- F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $630.47 to $631.37, inclusive.
- F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $631.52 to $632.44, inclusive.
- F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $632.60 to $633.32, inclusive.