THERMO FISHER SCIENTIFIC INC. (TMO) has 318 open-market insider trades by 40 insiders since 2006. Over the last six months insiders net sold $10.7M. The most active filer is Marc N. Casper, CEO & Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Marc N. Casper | CEOChairman | — | 58 | $540.8M | 2026-08-28 |
| Michel Lagarde | PresCOOVP | — | 10 | $222.8M | 2026-02-28 |
| Mark Stevenson | PresCOOVP | — | 10 | $132.9M | 2022-02-25 |
| Stephen Williamson | CFOVP | — | 18 | $55.1M | 2026-02-28 |
| Marijn E. Dekkers | CEO | — | 10 | $54.2M | 2009-08-17 |
| Alan J. Malus | PresVP | — | 18 | $47.2M | 2016-03-10 |
| Peter M. Wilver | Exec. VP & Chief Admin Officer | — | 9 | $37.3M | 2017-03-15 |
| Gregory J. Herrema | PresVP | — | 8 | $33.0M | 2019-08-28 |
| Lisa P. Britt | CHROVP | — | 5 | $26.2M | 2026-08-28 |
| Jim P. Manzi | Dir | — | 23 | $26.1M | 2023-02-03 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Gianluca Pettiti | President & COO | Sell | $2.5M | 2026-08-31 |
| Marc N. Casper | CEO & Chairman | Sell | $172K | 2026-08-24 |
| Marc N. Casper | CEO & Chairman | Sell | $12.6M | 2026-08-20 |
| Lisa P. Britt | CHRO & VP | Sell | $7.0M | 2026-08-19 |
| Michael D. Shafer | President & VP | Sell | $15.3M | 2026-08-11 |
| Marc N. Casper | CEO & Chairman | Sell | $2.9M |
Companies that share insiders with TMO, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-08-07 |
| Joseph R. Holmes | CAO & VP | Sell | $246K | 2026-08-07 |
| Marc N. Casper | CEO & Chairman | Sell | $8.6M | 2026-08-06 |
| Lisa P. Britt | CHRO & VP | Sell | $3.4M | 2026-08-06 |
| Marc N. Casper | CEO & Chairman | Sell | $8.6M | 2026-08-05 |
| Gianluca Pettiti | President & COO | Sell | $226K | 2026-07-27 |
| Gianluca Pettiti | President & COO | Sell | $185K | 2026-04-27 |
| Michael D. Shafer | President & VP | Sell | $803K | 2026-03-11 |
| Marc N. Casper | CEO & Chairman | Sell | $2.1M | 2026-03-05 |
| Marc N. Casper | CEO & Chairman | Sell | $5.1M | 2026-03-03 |