TMO SEC Form 4 filings
Thermo Fisher Scientific Inc. Latest Insider Trading Activity
Our insider trading activity tracker for Thermo Fisher Scientific Inc. shows 47 total open-market insider transactions for TMO over the past 426 days. The most recent displayed transaction was on April 27, 2026, when Pettiti Gianluca (Thermo Fisher Scientific Inc. President & COO) reported a sale of 400 shares at $462.66 per share. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For TMO Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10b5-1: Scheduled Form 4 Transaction TMO | 2026-04-29 | 2026-04-27 | Thermo Fisher Scientific Inc. | Pettiti Gianluca | President & COO | Sell | 1 | 400 | $462.66 | $185,064.00 | 1.57% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction TMO | 2026-03-12 | 2026-03-11 | Thermo Fisher Scientific Inc. | Shafer Michael D | Executive Vice President | Sell | 1 | 1,607 | $499.40 | $802,535.80 | 7.12% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction TMO | 2026-03-09 | 2026-03-05 | Thermo Fisher Scientific Inc. | Casper Marc N | Chairman & CEO | Sell | 13 | 4,000 | $514.82 | $2,059,261.41 | 0.24% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction TMO | 2026-03-05 | 2026-03-04 | Thermo Fisher Scientific Inc. | Casper Marc N | Chairman & CEO | Sell | 20 | 10,000 | $507.75 | $5,077,488.60 | 0.40% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction TMO | 2026-02-11 | 2026-02-09 | Thermo Fisher Scientific Inc. | Pettiti Gianluca | Executive Vice President | Sell | 1 | 400 | $541.20 | $216,480.00 | 1.89% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. TMO | 2025-12-05 | 2025-12-04 | Thermo Fisher Scientific Inc. | Lagarde Michel | Executive Vice President & COO | Sell | 1 | 22,046 | $563.56 | $12,424,243.76 | 20.77% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. TMO | 2025-12-04 | 2025-12-03 | Thermo Fisher Scientific Inc. | Lagarde Michel | Executive Vice President & COO | Sell | 3 | 62,000 | $582.68 | $36,126,126.38 | 27.56% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction TMO | 2025-11-26 | 2025-11-25 | Thermo Fisher Scientific Inc. | Shafer Michael D | Executive Vice President | Sell | 2 | 10,725 | $600.00 | $6,435,000.00 | 22.26% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. TMO | 2025-11-10 | 2025-11-07 | Thermo Fisher Scientific Inc. | Britt Lisa P. | Sr. VP and Chief HR Officer | Sell | 2 | 10,225 | $571.62 | $5,844,853.25 | 26.55% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction TMO | 2025-08-21 | 2025-08-20 | Thermo Fisher Scientific Inc. | Casper Marc N | Chairman & CEO | Sell | 3 | 496 | $500.09 | $248,046.52 | 0.14% | View Filing |
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Alerts are based on public SEC filings and are provided for informational purposes only; they do not constitute financial advice.