Mark Stevenson is President & COO +1 at THERMO FISHER SCIENTIFIC INC. (TMO). They have made 12 open-market trades across 3 companies since 2008, most recently 2022-02-25.
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
1 open-market purchase totalling $181K since 2011, against 11 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TMO | SELL | 2021-12-01 | 2021-12-03 | $632.03 | $32.5M | +3.3% | +1.6% | -12.7% |
| TMO | SELL | 2021-11-01 | 2021-11-03 | $635.30 | $62.9M | -1.6% | -1.0% | -7.5% |
| TMO | SELL | 2021-08-02 | 2021-08-04 | $535.30 | $26.7M | +2.5% | +5.0% | +17.6% |
| TMO | SELL | 2020-12-04 | 2020-12-08 | $475.15 | $26.8M | -2.3% | +4.8% | -7.9% |
| TMO | SELL | 2020-08-25 | 2020-08-27 | $420.16 | $9.2M | -0.4% | +2.0% | +6.8% |
| TMO | SELL | 2020-08-24 | 2020-08-25 | $429.55 | $9.5M | -2.7% | -0.8% | +5.8% |
| TMO | SELL | 2020-07-24 | 2020-07-28 | $404.68 | $19.5M | +0.9% | +2.4% | +17.5% |
| TMO | SELL | 2020-05-18 | 2020-05-20 | $348.90 | $14.0M | +2.9% | +3.7% | +22.6% |
| TMO | SELL | 2020-04-24 | 2020-04-27 | $328.08 | $16.1M | -1.1% | -1.6% | +20.6% |
| TMO | SELL | 2020-03-04 | 2020-03-05 | $324.28 | $16.2M | -2.9% | -0.3% | +13.8% |
| LIFE | BUY | 2011-08-22 | 2011-08-24 | $36.20 | $181K | -32.1% | -5.2% | -5.2% |
| ABI | SELL | 2008-11-17 | 2008-11-19 | $29.30 | $1.3M | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.