TMO.NYSEThermo Fisher Scientific INC
Form 4: Thermo Fisher Scientific CEO Sells Shares
Sentiment:
Insider Transaction (Form 4)
Marc N Casper, Chairman & CEO and a Director of Thermo Fisher Scientific Inc., sold 15,000 shares of common stock on August 5, 2026.
Summary
- Option exercise/conversion: acquired 10,000 Common Stock at $309.63 ($3,096,300) on August 5, 2026; holds 133,925 after (Direct).
- Open-market sale: disposed of 157 Common Stock at $566.25 ($88,901) on August 5, 2026; holds 133,768 after (Direct).
- Open-market sale: disposed of 130 Common Stock at $567.92 ($73,830) on August 5, 2026; holds 133,638 after (Direct).
- Open-market sale: disposed of 105 Common Stock at $569.24 ($59,770) on August 5, 2026; holds 133,533 after (Direct).
- Open-market sale: disposed of 53 Common Stock at $569.76 ($30,197) on August 5, 2026; holds 133,480 after (Direct).
- Open-market sale: disposed of 135 Common Stock at $571.49 ($77,151) on August 5, 2026; holds 133,345 after (Direct).
- Open-market sale: disposed of 431 Common Stock at $573.08 ($246,997) on August 5, 2026; holds 132,914 after (Direct).
- Open-market sale: disposed of 1,186 Common Stock at $574.03 ($680,800) on August 5, 2026; holds 131,728 after (Direct).
- Open-market sale: disposed of 2,223 Common Stock at $574.98 ($1,278,181) on August 5, 2026; holds 129,505 after (Direct).
- Open-market sale: disposed of 2,930 Common Stock at $576.05 ($1,687,826) on August 5, 2026; holds 126,575 after (Direct).
- Open-market sale: disposed of 2,575 Common Stock at $576.82 ($1,485,312) on August 5, 2026; holds 124,000 after (Direct).
- Open-market sale: disposed of 75 Common Stock at $577.56 ($43,317) on August 5, 2026; holds 123,925 after (Direct).
- Open-market sale: disposed of 79 Common Stock at $566.26 ($44,735) on August 5, 2026; holds 14,529 after (Indirect).
- Open-market sale: disposed of 66 Common Stock at $567.94 ($37,484) on August 5, 2026; holds 14,463 after (Indirect).
- Open-market sale: disposed of 38 Common Stock at $569.13 ($21,627) on August 5, 2026; holds 14,425 after (Indirect).
- Open-market sale: disposed of 40 Common Stock at $569.69 ($22,788) on August 5, 2026; holds 14,385 after (Indirect).
- Open-market sale: disposed of 68 Common Stock at $571.50 ($38,862) on August 5, 2026; holds 14,317 after (Indirect).
- Open-market sale: disposed of 216 Common Stock at $573.08 ($123,785) on August 5, 2026; holds 14,101 after (Indirect).
- Open-market sale: disposed of 590 Common Stock at $574.03 ($338,678) on August 5, 2026; holds 13,511 after (Indirect).
- Open-market sale: disposed of 1,113 Common Stock at $574.98 ($639,953) on August 5, 2026; holds 12,398 after (Indirect).
- Open-market sale: disposed of 1,464 Common Stock at $576.05 ($843,337) on August 5, 2026; holds 10,934 after (Indirect).
- Open-market sale: disposed of 1,289 Common Stock at $576.83 ($743,534) on August 5, 2026; holds 9,645 after (Indirect).
- Open-market sale: disposed of 37 Common Stock at $577.56 ($21,370) on August 5, 2026; holds 9,608 after (Indirect).
- Option exercise/conversion: disposed of 10,000 Stock Option (Right to Buy) on August 5, 2026; holds 30,550 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $8,628,434 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Marc N Casper — Director, Officer (Chairman & CEO)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-05 | Option exercise/conversion | Common Stock | 10,000 | $310 | $3.1M | 133,925.358 |
| 2026-08-05 | Open-market sale | Common Stock | 157 | $566 | $88.9K | 133,768.358 |
| 2026-08-05 | Open-market sale | Common Stock | 130 | $568 | $73.8K | 133,638.358 |
| 2026-08-05 | Open-market sale | Common Stock | 105 | $569 | $59.8K | 133,533.358 |
| 2026-08-05 | Open-market sale | Common Stock | 53 | $570 | $30.2K | 133,480.358 |
| 2026-08-05 | Open-market sale | Common Stock | 135 | $571 | $77.2K | 133,345.358 |
| 2026-08-05 | Open-market sale | Common Stock | 431 | $573 | $247.0K | 132,914.358 |
| 2026-08-05 | Open-market sale | Common Stock | 1,186 | $574 | $680.8K | 131,728.358 |
| 2026-08-05 | Open-market sale | Common Stock | 2,223 | $575 | $1.3M | 129,505.358 |
| 2026-08-05 | Open-market sale | Common Stock | 2,930 | $576 | $1.7M | 126,575.358 |
| 2026-08-05 | Open-market sale | Common Stock | 2,575 | $577 | $1.5M | 124,000.358 |
| 2026-08-05 | Open-market sale | Common Stock | 75 | $578 | $43.3K | 123,925.358 |
| 2026-08-05 | Open-market sale | Common Stock | 79 | $566 | $44.7K | 14,529 |
| 2026-08-05 | Open-market sale | Common Stock | 66 | $568 | $37.5K | 14,463 |
| 2026-08-05 | Open-market sale | Common Stock | 38 | $569 | $21.6K | 14,425 |
| 2026-08-05 | Open-market sale | Common Stock | 40 | $570 | $22.8K | 14,385 |
| 2026-08-05 | Open-market sale | Common Stock | 68 | $572 | $38.9K | 14,317 |
| 2026-08-05 | Open-market sale | Common Stock | 216 | $573 | $123.8K | 14,101 |
| 2026-08-05 | Open-market sale | Common Stock | 590 | $574 | $338.7K | 13,511 |
| 2026-08-05 | Open-market sale | Common Stock | 1,113 | $575 | $640.0K | 12,398 |
| 2026-08-05 | Open-market sale | Common Stock | 1,464 | $576 | $843.3K | 10,934 |
| 2026-08-05 | Open-market sale | Common Stock | 1,289 | $577 | $743.5K | 9,645 |
| 2026-08-05 | Open-market sale | Common Stock | 37 | $578 | $21.4K | 9,608 |
| 2026-08-05 | Option exercise/conversion | Stock Option (Right to Buy) | 10,000 | — | — | 30,550 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-05 | Option exercise/conversion (10,000 shares) |
| 2026-08-05 | Open-market sale (157 shares) |
| 2026-08-05 | Open-market sale (130 shares) |
| 2026-08-05 | Open-market sale (105 shares) |
| 2026-08-05 | Open-market sale (53 shares) |
| 2026-08-05 | Open-market sale (135 shares) |
| 2026-08-05 | Open-market sale (431 shares) |
| 2026-08-05 | Open-market sale (1,186 shares) |
| 2026-08-05 | Open-market sale (2,223 shares) |
| 2026-08-05 | Open-market sale (2,930 shares) |
| 2026-08-05 | Open-market sale (2,575 shares) |
| 2026-08-05 | Open-market sale (75 shares) |
| 2026-08-05 | Open-market sale (79 shares) |
| 2026-08-05 | Open-market sale (66 shares) |
| 2026-08-05 | Open-market sale (38 shares) |
| 2026-08-05 | Open-market sale (40 shares) |
| 2026-08-05 | Open-market sale (68 shares) |
| 2026-08-05 | Open-market sale (216 shares) |
| 2026-08-05 | Open-market sale (590 shares) |
| 2026-08-05 | Open-market sale (1,113 shares) |
| 2026-08-05 | Open-market sale (1,464 shares) |
| 2026-08-05 | Open-market sale (1,289 shares) |
| 2026-08-05 | Open-market sale (37 shares) |
| 2026-08-05 | Option exercise/conversion (10,000 shares) |
Keywords
insider transaction, Form 4, TMO, THERMO FISHER SCIENTIFIC INC., bearish, Marc N Casper
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