Greedy Insider
TMO Insider Trades and Greediness Scores
THERMO FISHER SCIENTIFIC INC. (TMO) insider trades: since Nov 10, 2025, Greedy Insider recorded 0 open-market buys and 188 sales on Form 4 from 11 insiders. The strongest recent filing scored 95 (Strong).
Who bought and who sold
Across the last 188 scoreable Form 4 transactions in TMO, 0 were open-market purchases and 188 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Pettiti Gianluca | President | Sell | 400.0 | 245752.0 | 2026-08-31 | 80 | View |
| Pettiti Gianluca | President | Sell | 3733.0 | 2293480.5 | 2026-08-31 | 95 | View |
| Pettiti Gianluca | President | Sell | 269.0 | 167366.42 | 2026-08-28 | 76 | View |
| Shropshire Thomas B Jr. | SVP and General Counsel | Sell | 49.0 | 30486.82 | 2026-08-28 | 66 | View |
| Meyer James | President | Sell | 37.0 | 23020.66 | 2026-08-28 | 81 | View |
| Meyer James | President | Sell | 44.0 | 27375.92 | 2026-08-28 | 82 | View |
| Meyer James | President | Sell | 19.0 | 11821.42 | 2026-08-28 | 76 | View |
| Meyer James | President | Sell | 55.0 | 34219.9 | 2026-08-28 | 84 | View |
| Meyer James | President | Sell | 113.0 | 70306.34 | 2026-08-28 | 89 | View |
| Shafer Michael D | President | Sell | 162.0 | 100793.16 | 2026-08-28 | 73 | View |
The strongest recent filing
Pettiti Gianluca (President) sold 3,733 shares of THERMO FISHER SCIENTIFIC INC. on Aug 31, 2026, a filing that scored 95 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 7 insiders (Pettiti Gianluca, Shropshire Thomas B Jr., Meyer James, Shafer Michael D) traded TMO the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with THERMO FISHER SCIENTIFIC INC.'s own history
Open-market buys make up 0% of the 188 scoreable TMO transactions on record between Nov 10, 2025 and Aug 31, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 188
- Open-market buys: 0
- Sales: 188
- Distinct insiders: 11
- Strongest recent Greediness Score: 95 (Strong)
Primary sources
Related
- Strongest filing
- TMO in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.