Form 4 for TMO Thermo Fisher Scientific
Accepted 2026-03-05 00:00:00 ET · period of report 2026-03-03 · accession 0000097745-26-000055 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-03-05 | 2026-03-03+ | TMO | CASPER MARC N | COB, CEO, Dir | S - Sale+OE | $507.75 | -10.0K | 127.8K | -7% | -$5.08M |
| DM | 2026-03-05 | 2026-03-03+ | TMO | CASPER MARC N | COB, CEO, Dir | M - OptEx | $309.63 | +10.0K | 128.9K | +8% | +$3.10M |
| DM | 2026-03-05 | 2026-03-03+ | TMO | CASPER MARC N | COB, CEO, Dir | M - OptEx | $0.00 | -10.0K | 44.5K | -18% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-03 | S | D | 120 | $509.62 | 123,925.36 | D | — | — | (F13) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $509.62 to $509.63, inclusive. |
| 2 | Common | Common Stock | 2026-03-04 | S | D | 1,370 | $511.80 | 126,430.36 | D | — | — | (F16) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $511.323 to $512.303, inclusive. |
| 3 | Common | Common Stock | 2026-03-04 | S | D | 1,241 | $512.92 | 125,189.36 | D | — | — | (F17) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $512.34 to $513.33, inclusive. |
| 4 | Common | Common Stock | 2026-03-04 | S | D | 815 | $513.63 | 124,374.36 | D | — | — | (F18) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $513.341 to $514.328, inclusive. |
| 5 | Common | Common Stock | 2026-03-04 | S | D | 212 | $514.86 | 124,162.36 | D | — | — | (F19) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $514.383 to $515.373, inclusive. |
| 6 | Common | Common Stock | 2026-03-04 | S | D | 119 | $515.77 | 124,043.36 | D | — | — | (F20) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $515.378 to $516.065, inclusive. |
| 7 | Common | Common Stock | 2026-03-04 | S | D | 118 | $516.75 | 123,925.36 | D | — | — | (F21) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $516.57 to $517.046, inclusive. |
| 8 | Common | Common Stock | 2026-03-03 | S | D | 759 | $508.95 | 124,045.36 | D | — | — | (F12) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $508.57 to $509.28, inclusive. |
| 9 | Common | Common Stock | 2026-03-03 | S | D | 120 | $504.06 | 126,183.36 | D | — | — | (F9) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $504.06 to $504.07, inclusive. |
| 10 | Common | Common Stock | 2026-03-03 | M | A | 5,000 | $309.63 | 128,925.36 | D | — | — | |
| 11 | Common | Common Stock | 2026-03-03 | S | D | 360 | $495.29 | 128,565.36 | D | — | — | (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $495.08 to $495.46, 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), (14), (15), (16), (17), (18), (19), (20), and (21) to this Form 4. |
| 12 | Common | Common Stock | 2026-03-03 | S | D | 480 | $496.84 | 128,085.36 | D | — | — | (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $496.43 to $497.37, inclusive. |
| 13 | Common | Common Stock | 2026-03-03 | S | D | 680 | $498.14 | 127,405.36 | D | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $497.80 to $498.70, inclusive. |
| 14 | Common | Common Stock | 2026-03-03 | S | D | 240 | $499.75 | 127,165.36 | D | — | — | (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $499.36 to $500.14, inclusive. |
| 15 | Common | Common Stock | 2026-03-03 | S | D | 382 | $500.55 | 126,783.36 | D | — | — | (F6) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $500.47 to $501.44, inclusive. |
| 16 | Common | Common Stock | 2026-03-03 | S | D | 360 | $501.95 | 126,423.36 | D | — | — | (F7) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $501.56 to $502.36, inclusive. |
| 17 | Common | Common Stock | 2026-03-03 | S | D | 120 | $502.59 | 126,303.36 | D | — | — | (F8) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $502.59 to $502.60, inclusive. |
| 18 | Common | Common Stock | 2026-03-03 | S | D | 931 | $507.90 | 124,804.36 | D | — | — | (F11) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $507.41 to $508.31, inclusive. |
| 19 | Common | Common Stock | 2026-03-03 | S | D | 448 | $506.74 | 125,735.36 | D | — | — | (F10) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $506.40 to $507.38, inclusive. |
| 20 | Common | Common Stock | 2026-03-04 | M | A | 5,000 | $309.63 | 128,925.36 | D | — | — | |
| 21 | Common | Common Stock | 2026-03-04 | S | D | 447 | $509.89 | 128,478.36 | D | — | — | (F14) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $509.283 to $510.22, inclusive. |
| 22 | Common | Common Stock | 2026-03-04 | S | D | 678 | $510.71 | 127,800.36 | D | — | — | (F15) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $510.32 to $511.277, inclusive. |
| 23 | Derivative | Stock Option (Right to Buy) | 2026-03-03 | M | D | 5,000 | $0.00 | 49,550 | D | $309.63 · — to 2027-02-25 | 5,000 Common Stock | (F24) The option vested in four equal installments on February 25, 2021, 2022, 2023, and 2024. |
| 24 | Derivative | Stock Option (Right to Buy) | 2026-03-04 | M | D | 5,000 | $0.00 | 44,550 | D | $309.63 · — to 2027-02-25 | 5,000 Common Stock | (F24) The option vested in four equal installments on February 25, 2021, 2022, 2023, and 2024. |