This is a routine insider sale of shares acquired through equity compensation. No material impact expected. Monitor for any subsequent Form 4 filings to confirm execution, but no further action warranted.
How the stock moved after the report
NEUTRAL VIEWSTOCK BELOW ENTRY AT T+1- T+0 · Oct 28 $709.18entry
- T+1 · 6d ago −1.72%α +0.06% · $697.00
- T+5 · due 8h ago Pending
- T+5 · todayOpen
- T+20 · in 21d Pending
- T+60 · in 3mo Pending
Price Chart
REPLAYWatch the reaction play outHow similar events traded
Executive Summary
Lisa Britt, an officer of Thermo Fisher Scientific, filed a Form 144 notice of intent to sell shares. The filing covers 2,831 shares with an estimated aggregate market value of approximately $2.0 million, based on a $705.00 price. The shares were acquired through restricted stock vesting between 2021 and 2025. This is a routine insider sale for tax or diversification purposes, representing a small fraction of the company's $253.2B market cap.
Key Facts
- Insider Lisa Britt (Officer) filed Form 144 to sell 2,831 shares of TMO common stock.
- Estimated aggregate market value of the proposed sale is $1,999,959.95.
- Shares were acquired through restricted stock vesting on multiple dates from February 2021 to August 2025.
- The sale is planned for execution on or after October 28, 2026, via Fidelity Brokerage Services LLC.
- The proposed sale represents less than 0.001% of TMO's outstanding shares and market cap.
Financial Impact
Proposed sale of 2,831 shares valued at ~$2.0 million, negligible relative to TMO's $253.2B market cap.
Risk Factors
- Form 144 is an intent to sell; the sale may not be completed.
- Insider selling could be perceived negatively if it precedes a negative catalyst, but no such catalyst is indicated here.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001959173-26-007528 |
| Document: 0001959173-26-007528-index.html | 0001959173-26-007528 |
| Document: 0001959173-26-007528.txt | 0001959173-26-007528 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 30, 2026 4d ago | 8-K | $682.65 | awaiting T+60 | awaiting T+60 | $702.91 (+2.97%) |
Oct 28, 2026 6d ago | 144 | $709.18 | awaiting T+60 | awaiting T+60 | $702.91 (−0.88%) |
Oct 21, 2026 14d ago | 8-K | $694.02 | awaiting T+60 | awaiting T+60 | $702.91 (+1.28%) |
Oct 16, 2026 19d ago | Institutional Cluster | $690.00 | awaiting T+60 | awaiting T+60 | $702.91 (+1.87%) |
Sep 1, 2026 9w ago | Insider Cluster | $608.54 | awaiting T+60 | awaiting T+60 | $702.91 (+15.51%) |
Aug 26, 2026 9w ago | Insider Cluster | $630.70 | awaiting T+60 | awaiting T+60 | $702.91 (+11.45%) |
Aug 24, 2026 10w ago | Insider Cluster | $628.15 | awaiting T+60 | awaiting T+60 | $702.91 (+11.90%) |
Aug 18, 2026 11w ago | Court Ruling | $613.07 | awaiting T+60 | awaiting T+60 | $702.91 (+14.65%) |
Aug 13, 2026 11w ago | Insider Cluster | $588.29 | awaiting T+60 | awaiting T+60 | $702.91 (+19.48%) |
Aug 10, 2026 12w ago | Insider Cluster | $605.00 | awaiting T+60 | awaiting T+60 | $702.91 (+16.18%) |
US Market Status
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