The insider sales are immaterial in size and likely reflect routine portfolio diversification or tax planning. Monitor for any upcoming earnings or M&A announcements that could provide context, but this cluster alone does not warrant a trading action.
Price Chart
Executive Summary
A cluster of insider sales at Thermo Fisher Scientific, totaling $295K in open-market sales, is dominated by the President & COO's $246K sale and includes a small $50K sale by the Chairman & CEO. The dollar amounts are trivial relative to the $222B market cap (0.00013%), making this a routine, non-informative cluster. The majority of insider activity in the 7-day window is tax-withholding (non-cash) transactions, which carry no economic signal.
Key Financial Metrics
Key Facts
- Total open-market sales of $295K represent 0.00013% of TMO's $222B market cap.
- President & COO Gianluca Pettiti sold $246K in open-market sales on Aug 31, 2026.
- Chairman & CEO Marc Casper sold $50K in open-market sales on Aug 24, 2026.
- The cluster includes 16 tax-withholding (non-cash) transactions totaling ~$1.7M, which are routine vesting-related surrenders.
- No insider open-market purchases were reported in the cluster.
Financial Impact
Trivial — $295K in open-market sales vs. $222B market cap (0.00013%)
Risk Factors
- Insider sales at a $222B mega-cap are typically noise and not predictive of stock direction.
- No bearish signal from this cluster given the trivial dollar amounts relative to market cap.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-TMO-1788333154582 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 1, 2026 4w ago | Insider Cluster | $600.50 $675.05 | ▲ +12.41% | ▲ +12.30% | $652.51 (+8.66%) |
Aug 26, 2026 5w ago | Insider Cluster | $630.70 $666.33 | ▲ +5.65% | ▲ +5.75% | $652.51 (+3.46%) |
Aug 24, 2026 5w ago | Insider Cluster | $628.74 $658.52 | ▲ +4.74% | ▲ +3.42% | $652.51 (+3.78%) |
Aug 18, 2026 6w ago | Court Ruling | $589.04 $648.43 | ▲ +10.08% | ▲ +11.39% | $652.51 (+10.78%) |
Aug 13, 2026 7w ago | Insider Cluster | $588.29 $613.62 | ▲ +4.31% | ▲ +6.30% | $652.51 (+10.92%) |
Aug 10, 2026 7w ago | Insider Cluster | $605.00 $605.69 | ▲ +0.11% | ▲ +1.17% | $652.51 (+7.85%) |
Aug 7, 2026 8w ago | Insider Cluster | $594.00 $613.78 | ▲ +3.33% | ▲ +3.73% | $652.51 (+9.85%) |
Jul 23, 2026 10w ago | 8-K | $572.32 $627.55 | ▲ +9.65% | ▲ +6.34% | $652.51 (+14.01%) |
Jun 11, 2026 16w ago | ANALYST-UPGRADE | $469.34 $527.05 | ▲ +12.30% | ▲ +10.52% | $652.51 (+39.03%) |
Jun 11, 2026 16w ago | Institutional Cluster | $475.66 $524.71 | ▲ +10.31% | ▲ +8.42% | $652.51 (+37.18%) |
US Market Status
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