TMO insider buying and SEC filings, explained
Thermo Fisher Scientific Inc. · CIK 97745
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$8.5M
Planned sales (10b5-1)
$75.6M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 28, 2026 | Sale | Lisa P. Britt (Sr. VP and Chief HR Officer) sold 2,831 shares at $706.45 ($2.0M). Holdings down 20% to 11,560 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 30, 2026, 4:45 PM ET |
| Aug 31, 2026 | Planned (10b5-1) | Gianluca Pettiti (President / COO) sold 4,133 shares at $614.38 ($2.5M), marked as a 10b5-1 plan trade. Holdings down 15% to 23,216 shares. | SEC filing Filed Sep 1, 2026 |
| Aug 24, 2026 | Planned (10b5-1) | Marc N. Casper (CEO and Director) sold 275 shares at about $627.05 ($172K), marked as a 10b5-1 plan trade. Holdings down <1% to 123,925 shares. | SEC filing Filed Aug 26, 2026 |
| Aug 20–21, 2026 | Planned (10b5-1) | Marc N. Casper (CEO and Director) sold 20,000 shares between Aug 20 and Aug 21 at about $628.09 ($12.6M), marked as a 10b5-1 plan trade. Holdings down 14% to 123,925 shares. | SEC filing Filed Aug 24, 2026 |
| Aug 11, 2026 | Planned (10b5-1) | Michael D Shafer (Executive Vice President) sold 25,500 shares at $600.00 ($15.3M), marked as a 10b5-1 plan trade. Holdings down 55% to 20,994 shares. | SEC filing Filed Aug 13, 2026 |
| Aug 7, 2026 | Planned (10b5-1) | Marc N. Casper (CEO and Director) sold 4,883 shares directly and indirectly (by entity) at about $586.12 ($2.9M), marked as a 10b5-1 plan trade. Direct holdings down <1% to 123,925 shares. | SEC filing Filed Aug 10, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Marc N. Casper (CEO and Director) sold 15,000 shares directly and indirectly (by entity) at about $574.46 ($8.6M), marked as a 10b5-1 plan trade. Direct holdings down 7% to 123,925 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Marc N. Casper (CEO and Director) sold 15,000 shares directly and indirectly (by entity) at about $575.23 ($8.6M), marked as a 10b5-1 plan trade. Direct holdings down 7% to 123,925 shares. | SEC filing Filed Aug 7, 2026 |
| Jul 27, 2026 | Planned (10b5-1) | Gianluca Pettiti (President / COO) sold 400 shares at $565.00 ($226K), marked as a 10b5-1 plan trade. Holdings down 2% to 24,651 shares. | SEC filing Filed Jul 28, 2026 |
| Apr 27, 2026 | Planned (10b5-1) | Gianluca Pettiti (President / COO) sold 400 shares at $462.66 ($185K), marked as a 10b5-1 plan trade. Holdings down 2% to 25,051 shares. | SEC filing Filed Apr 29, 2026 |
| Mar 11, 2026 | Planned (10b5-1) | Michael D Shafer (Executive Vice President) sold 1,607 shares at $499.40 ($803K), marked as a 10b5-1 plan trade. Holdings down 7% to 20,950 shares. | SEC filing Filed Mar 12, 2026 |
| Mar 5, 2026 | Planned (10b5-1) | Marc N. Casper (CEO and Director) sold 4,000 shares at about $514.82 ($2.1M), marked as a 10b5-1 plan trade. Holdings down 3% to 123,925 shares. | SEC filing Filed Mar 9, 2026 |
| Mar 3–4, 2026 | Planned (10b5-1) | Marc N. Casper (CEO and Director) sold 10,000 shares between Mar 3 and Mar 4 at about $507.75 ($5.1M), marked as a 10b5-1 plan trade. Holdings down 7% to 123,925 shares. | SEC filing Filed Mar 5, 2026 |
| Feb 9, 2026 | Planned (10b5-1) | Gianluca Pettiti (Executive Vice President) sold 400 shares at $541.20 ($216K), marked as a 10b5-1 plan trade. Holdings down 2% to 20,752 shares. | SEC filing Filed Feb 11, 2026 |
| Dec 1–2, 2025 | Planned (10b5-1) | Frederick M. Lowery (Executive Vice President) sold 13,825 shares between Dec 1, 2025 and Dec 2, 2025 at about $589.81 ($8.2M), marked as a 10b5-1 plan trade. Holdings down 49% to 14,367 shares. | SEC filing Filed Dec 3, 2025 |
| Nov 25, 2025 | Planned (10b5-1) | Michael D Shafer (Executive Vice President) sold 10,725 shares at $600.00 ($6.4M), marked as a 10b5-1 plan trade. Holdings down 36% to 18,731 shares. | SEC filing Filed Nov 26, 2025 |
| Nov 12, 2025 | Sale | Lisa P. Britt (Sr. VP and Chief HR Officer) sold 1,058 shares at $588.27 ($622K). Holdings down 7% to 13,087 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 14, 2025 |
| Nov 10, 2025 | Planned (10b5-1) | Gianluca Pettiti (Executive Vice President) sold 2,975 shares at $580.00 ($1.7M), marked as a 10b5-1 plan trade. Holdings down 12% to 21,152 shares. | SEC filing Filed Nov 12, 2025 |
| Nov 7, 2025 | Sale | Lisa P. Britt (Sr. VP and Chief HR Officer) sold 10,225 shares at about $571.62 ($5.8M). Holdings down 42% to 14,145 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 10, 2025 |
83 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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