TMO
Thermo Fisher Scientific Inc
NYSE: TMO · HEALTHCARE · DIAGNOSTICS & RESEARCH
$478.96
+2.72% today
Updated 2026-04-29
Market cap
$173.27B
P/E ratio
25.65
P/S ratio
3.83x
EPS (TTM)
$18.18
Dividend yield
0.37%
52W range
$384 – $643
Volume
2.0M
Thermo Fisher Scientific Inc (TMO) Insider transactions
Net insider activity
Net selling (12,437 shares)
Buy transactions
35
Sell transactions
65
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-28 | WEISLER, DION J | Director | Buy | 79 | — | — |
| 2026-03-28 | SPERLING, SCOTT M | Director | Buy | 90 | — | — |
| 2026-03-28 | LYNCH, KAREN S | Director | Buy | 66 | — | — |
| 2026-03-28 | KEITH, R. ALEXANDRA | Director | Buy | 66 | — | — |
| 2026-03-28 | JOHNSON, JENNIFER M | Director | Buy | 66 | — | — |
| 2026-03-11 | SHAFER, MICHAEL D | Executive Vice President | Sale | 1,607 | $499.40 | $802535.80 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 4,000 | — | — |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Buy | 4,000 | $309.63 | $1.24M |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 1,133 | $513.71 | $582033.43 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 570 | $514.71 | $293384.70 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 516 | $519.13 | $267871.08 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 411 | $512.73 | $210732.03 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 348 | $515.64 | $179442.72 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 264 | $519.74 | $137211.36 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 214 | $511.78 | $109520.92 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 201 | $516.73 | $103862.73 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 106 | $517.83 | $54889.98 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 99 | $509.66 | $50456.34 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 60 | $505.76 | $30345.60 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 58 | $507.54 | $29437.32 |
| 2026-03-05 | CASPER, MARC N | Director, Chairman & CEO | Sale | 20 | $503.66 | $10073.20 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 5,000 | — | — |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Buy | 5,000 | $309.63 | $1.55M |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 1,370 | $511.80 | $701166.00 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 1,241 | $512.92 | $636533.72 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 815 | $513.63 | $418608.45 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 678 | $510.71 | $346261.38 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 447 | $509.89 | $227920.83 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 212 | $514.86 | $109150.32 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 119 | $515.77 | $61376.63 |
| 2026-03-04 | CASPER, MARC N | Director, Chairman & CEO | Sale | 118 | $516.75 | $60976.50 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 5,000 | — | — |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Buy | 5,000 | $309.63 | $1.55M |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 931 | $507.90 | $472854.90 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 759 | $508.95 | $386293.05 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 680 | $498.14 | $338735.20 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 480 | $496.84 | $238483.20 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 448 | $506.74 | $227019.52 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 382 | $500.55 | $191210.10 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 360 | $495.29 | $178304.40 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 240 | $499.75 | $119940.00 |
| 2026-03-03 | CASPER, MARC N | Director, Chairman & CEO | Sale | 120 | $509.62 | $61154.40 |
| 2026-02-28 | WILLIAMSON, STEPHEN | Retiring Sr. VP and CFO | Sale | 675 | $521.11 | $351749.25 |
| 2026-02-28 | WILLIAMSON, STEPHEN | Retiring Sr. VP and CFO | Sale | 247 | $521.11 | $128714.17 |
| 2026-02-28 | SHAFER, MICHAEL D | Executive Vice President | Sale | 466 | $521.11 | $242837.26 |
| 2026-02-28 | SHAFER, MICHAEL D | Executive Vice President | Sale | 252 | $521.11 | $131319.72 |
| 2026-02-28 | SHAFER, MICHAEL D | Executive Vice President | Sale | 98 | $521.11 | $51068.78 |
| 2026-02-28 | PETTITI, GIANLUCA | President & COO | Sale | 742 | $521.11 | $386663.62 |
| 2026-02-28 | PETTITI, GIANLUCA | President & COO | Sale | 332 | $521.11 | $173008.52 |
| 2026-02-28 | LOWERY, FREDERICK M. | Executive Vice President | Sale | 522 | $521.11 | $272019.42 |
| 2026-02-28 | LOWERY, FREDERICK M. | Executive Vice President | Sale | 264 | $521.11 | $137573.04 |
| 2026-02-28 | LOWERY, FREDERICK M. | Executive Vice President | Sale | 111 | $521.11 | $57843.21 |
| 2026-02-28 | LAGARDE, MICHEL | Executive Vice President | Sale | 837 | $521.11 | $436169.07 |
| 2026-02-28 | LAGARDE, MICHEL | Executive Vice President | Sale | 360 | $521.11 | $187599.60 |
| 2026-02-28 | HOLMES, JOSEPH R. | VP & Chief Accounting Officer | Sale | 55 | $521.11 | $28661.05 |
| 2026-02-28 | HOLMES, JOSEPH R. | VP & Chief Accounting Officer | Sale | 44 | $521.11 | $22928.84 |
| 2026-02-28 | HOLMES, JOSEPH R. | VP & Chief Accounting Officer | Sale | 12 | $521.11 | $6253.32 |
| 2026-02-28 | HOLMES, JOSEPH R. | VP & Chief Accounting Officer | Sale | 4 | $521.11 | $2084.44 |
| 2026-02-28 | CASPER, MARC N | Director, Chairman & CEO | Sale | 3,474 | $521.11 | $1.81M |
| 2026-02-28 | CASPER, MARC N | Director, Chairman & CEO | Sale | 1,211 | $521.11 | $631064.21 |
| 2026-02-28 | BRITT, LISA P. | Sr. VP and Chief HR Officer | Sale | 263 | $521.11 | $137051.93 |
| 2026-02-28 | BRITT, LISA P. | Sr. VP and Chief HR Officer | Sale | 85 | $521.11 | $44294.35 |
| 2026-02-25 | WILLIAMSON, STEPHEN | Sr. VP and CFO | Buy | 1,534 | — | — |
| 2026-02-25 | SHROPSHIRE, THOMAS B JR. | SVP and General Counsel | Buy | 4,281 | — | — |
| 2026-02-25 | SHROPSHIRE, THOMAS B JR. | SVP and General Counsel | Buy | 978 | — | — |
| 2026-02-25 | SHAFER, MICHAEL D | Executive Vice President | Buy | 13,698 | — | — |
| 2026-02-25 | SHAFER, MICHAEL D | Executive Vice President | Buy | 3,129 | — | — |
| 2026-02-25 | SHAFER, MICHAEL D | Executive Vice President | Buy | 1,569 | — | — |
| 2026-02-25 | PETTITI, GIANLUCA | Executive Vice President | Buy | 16,270 | — | — |
| 2026-02-25 | PETTITI, GIANLUCA | Executive Vice President | Buy | 3,715 | — | — |
| 2026-02-25 | PETTITI, GIANLUCA | Executive Vice President | Buy | 2,057 | — | — |
| 2026-02-25 | LOWERY, FREDERICK M. | Executive Vice President | Buy | 1,638 | — | — |
| 2026-02-25 | LAGARDE, MICHEL | Executive Vice President & COO | Buy | 2,231 | — | — |
| 2026-02-25 | HOLMES, JOSEPH R. | VP & Chief Accounting Officer | Buy | 985 | — | — |
| 2026-02-25 | HOLMES, JOSEPH R. | VP & Chief Accounting Officer | Buy | 433 | — | — |
| 2026-02-25 | HOLMES, JOSEPH R. | VP & Chief Accounting Officer | Buy | 337 | — | — |
| 2026-02-25 | CASPER, MARC N | Director, Chairman & CEO | Buy | 32,109 | — | — |
| 2026-02-25 | CASPER, MARC N | Director, Chairman & CEO | Buy | 7,515 | — | — |
| 2026-02-25 | CASPER, MARC N | Director, Chairman & CEO | Buy | 7,333 | — | — |
| 2026-02-25 | BRITT, LISA P. | Sr. VP and Chief HR Officer | Buy | 5,139 | — | — |
| 2026-02-25 | BRITT, LISA P. | Sr. VP and Chief HR Officer | Buy | 1,173 | — | — |
| 2026-02-25 | BRITT, LISA P. | Sr. VP and Chief HR Officer | Buy | 872 | — | — |
| 2026-02-09 | PETTITI, GIANLUCA | Executive Vice President | Sale | 400 | $541.20 | $216480.00 |
| 2025-12-31 | WEISLER, DION J | Director | Buy | 65 | — | — |
| 2025-12-31 | SPERLING, SCOTT M | Director | Buy | 73 | — | — |
| 2025-12-31 | LYNCH, KAREN S | Director | Buy | 54 | — | — |
| 2025-12-31 | KEITH, R. ALEXANDRA | Director | Buy | 54 | — | — |
| 2025-12-31 | JOHNSON, JENNIFER M | Director | Buy | 54 | — | — |
| 2025-12-10 | SPERLING, SCOTT M | Director | Sale | 4,386 | — | — |
| 2025-12-04 | LAGARDE, MICHEL | Executive Vice President & COO | Sale | 22,046 | — | — |
| 2025-12-04 | LAGARDE, MICHEL | Executive Vice President & COO | Sale | 18,637 | — | — |
| 2025-12-04 | LAGARDE, MICHEL | Executive Vice President & COO | Sale | 22,046 | $563.56 | $12.42M |
| 2025-12-04 | LAGARDE, MICHEL | Executive Vice President & COO | Buy | 18,637 | $105.17 | $1.96M |
| 2025-12-03 | LAGARDE, MICHEL | Executive Vice President & COO | Sale | 68,000 | — | — |
| 2025-12-03 | LAGARDE, MICHEL | Executive Vice President & COO | Buy | 68,000 | $105.17 | $7.15M |
| 2025-12-03 | LAGARDE, MICHEL | Executive Vice President & COO | Sale | 29,479 | $583.33 | $17.20M |
| 2025-12-03 | LAGARDE, MICHEL | Executive Vice President & COO | Sale | 2,521 | $584.11 | $1.47M |
| 2025-12-02 | SHROPSHIRE, THOMAS B JR. | SVP and General Counsel | Sale | 337 | $580.37 | $195584.69 |
| 2025-12-02 | LOWERY, FREDERICK M. | Executive Vice President | Sale | 6,912 | — | — |
| 2025-12-02 | LOWERY, FREDERICK M. | Executive Vice President | Sale | 6,912 | $581.94 | $4.02M |