🕵️ Thermo Fisher Scientific Inc. ($TMO)
SEC insider & ownership activity, last 12 months · CIK 97745 · every row links its SEC filing
Over the last 12 months insiders sold $158.1M with no open-market buying against it. Marc N. Casper sold $53.9M through a program of 11 sale notices averaging $4.1M (Oct–Aug). 4 planned sales are pending, the largest $8.7M (Marc N. Casper). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 7 sellers, $158.1M (160 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Marc N. Casper | 0 | – | 134 | $53.9M | Aug 24, 2026 |
| Lagarde Michel | 0 | – | 5 | $51.3M | Dec 4, 2025 |
| Michael D. Shafer | 0 | – | 5 | $22.5M | Aug 11, 2026 |
| Lisa P. Britt | 0 | – | 5 | $16.9M | Aug 19, 2026 |
| Frederick M. Lowery | 0 | – | 2 | $8.2M | Dec 2, 2025 |
| Pettiti Gianluca | 0 | – | 8 | $5.1M | Aug 31, 2026 |
| Joseph R. Holmes | 0 | – | 1 | $246K | Aug 7, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Pettiti Gianluca | $2.5M | Aug 31, 2026 | filing ↗ |
| Marc N. Casper | $172K | Aug 24, 2026 | filing ↗ |
| Marc N. Casper | $6.3M | Aug 21, 2026 | filing ↗ |
| Marc N. Casper | $6.3M | Aug 20, 2026 | filing ↗ |
| Lisa P. Britt | $7.0M | Aug 19, 2026 | filing ↗ |
| Michael D. Shafer | $15.3M | Aug 11, 2026 | filing ↗ |
| Joseph R. Holmes | $246K | Aug 7, 2026 | filing ↗ |
| Marc N. Casper | $2.8M | Aug 7, 2026 | filing ↗ |
| Lisa P. Britt | $3.4M | Aug 6, 2026 | filing ↗ |
| Marc N. Casper | $8.7M | Aug 6, 2026 | filing ↗ |
| Marc N. Casper | $8.5M | Aug 5, 2026 | filing ↗ |
| Pettiti Gianluca | $226K | Jul 27, 2026 | filing ↗ |
| Lagarde Michel | $22.4M | May 29, 2026 | filing ↗ |
| Frederick M. Lowery | $6.5M | May 27, 2026 | filing ↗ |
| Pettiti Gianluca | $185K | Apr 27, 2026 | filing ↗ |
| Michael D. Shafer | $803K | Mar 11, 2026 | filing ↗ |
| Marc N. Casper | $2.0M | Mar 5, 2026 | filing ↗ |
| Marc N. Casper | $2.5M | Mar 4, 2026 | filing ↗ |
| Marc N. Casper | $2.5M | Mar 3, 2026 | filing ↗ |
| Williamson Stephen | $3.0M | Mar 3, 2026 | filing ↗ |
| Pettiti Gianluca | $216K | Feb 9, 2026 | filing ↗ |
| Lagarde Michel | $12.4M | Dec 4, 2025 | filing ↗ |
| Lagarde Michel | $18.7M | Dec 3, 2025 | filing ↗ |
| Lagarde Michel | $17.5M | Dec 2, 2025 | filing ↗ |
| Frederick M. Lowery | $4.0M | Dec 2, 2025 | filing ↗ |
| Frederick M. Lowery | $4.1M | Dec 1, 2025 | filing ↗ |
| Michael D. Shafer | $6.4M | Nov 25, 2025 | filing ↗ |
| Lagarde Michel | $2.8M | Nov 13, 2025 | filing ↗ |
| Lisa P. Britt | $622K | Nov 12, 2025 | filing ↗ |
| Pettiti Gianluca | $1.7M | Nov 10, 2025 | filing ↗ |
| Lisa P. Britt | $5.8M | Nov 7, 2025 | filing ↗ |
| Marc N. Casper | $4.1M | Oct 27, 2025 | filing ↗ |
| Marc N. Casper | $981K | Oct 24, 2025 | filing ↗ |
| Pettiti Gianluca | $230K | Oct 24, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 23, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 20, 2026 | filing ↗ |
| Earnings (2.02) | Apr 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 23, 2026 | filing ↗ |
| Other events (8.01) | Mar 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 24, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 9, 2026 | filing ↗ |
| Other events (8.01) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Earnings (2.02) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 12, 2026 | filing ↗ |
| Material agreement (1.01) | Nov 24, 2025 | filing ↗ |
| Other events (8.01) | Nov 24, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 24, 2025 | filing ↗ |
| Other events (8.01) | Oct 29, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 29, 2025 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |
| Material agreement (1.01) | Oct 7, 2025 | filing ↗ |
| Other events (8.01) | Oct 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 7, 2025 | filing ↗ |