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TMO
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Thermo Fisher Scientific Inc.

TMO · Healthcare · Thermo Fisher Scientific Inc. provides life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products and…

Thermo Fisher Scientific Inc. (TMO), in the Healthcare sector, has 31 disclosed filings on Paydirt over the trailing twelve months from 7 members of Congress and 7 corporate insiders: 3 purchases and 30 sales, 4 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Aug 21 and filed Aug 24. The most active filer was Marc N Casper with 18 filings.

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Filings, ttm
31
3 buys · 30 sells · 4 late
Traders, ttm
14
7 congress · 7 insiders
Volume, ttmiDollar value disclosed in the window
$153.7M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Aug 21
Filed Aug 24
ADViAverage daily dollar volume
$1.4B
market data
Share price · 12M
$622 (+31.3%)
$638$538$438Sep 22 2025Mar 12Aug 28

Adjusted for splits and dividends.

Volume by month
$57.4M$28.7M$0Oct 2024Apr 2025Oct 2025Apr 2026Oct 2024 · buys $8KOct 2024 · sells $12.3MNov 2024 · sells $30.0MDec 2024 · sells $10.6MFeb 2025 · sells $21.5MMar 2025 · sells $12.2MApr 2025 · buys $8KApr 2025 · sells $169KMay 2025 · buys $33KMay 2025 · sells $328KJun 2025 · buys $41KJun 2025 · sells $33KJul 2025 · sells $192KAug 2025 · buys $16KAug 2025 · sells $13.2MSep 2025 · buys $16KSep 2025 · sells $329KOct 2025 · sells $14.0MNov 2025 · buys $8KNov 2025 · sells $17.4MDec 2025 · sells $56.7MJan 2026 · buys $16KJan 2026 · sells $8KFeb 2026 · sells $216KMar 2026 · sells $7.5MApr 2026 · sells $185KMay 2026 · sells $8KJul 2026 · buys $8KJul 2026 · sells $234KAug 2026 · sells $57.4M
Buys $153K Sells $254.5M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
MC Marc N Casper Chairman & CEO 18 filings GP Gianluca Pettiti President & COO 10 filings LB Lisa P. Britt Sr. VP and Chief HR Officer 4 filings MS Michael D Shafer Executive Vice President 4 filings RB Rob Bresnahan Representative (Joint) 3 filings ML Michel Lagarde Executive Vice President & COO 3 filings BW Bruce Westerman Representative 2 filings DN Dan Newhouse Representative (Spouse) 2 filings
Recent filings
Marc N CasperSALE Chairman & CEO $12.5M
19,920 sh across 13 lots
Exec Aug 20
Filed Aug 24 · 4:02 PM ET
Lisa P. BrittSALE Sr. VP and Chief HR Officer $7.0M
11,440 sh × $613.12
Exec Aug 19
Filed Aug 20 · 4:02 PM ET
Michael D ShaferSALE Executive Vice President $15.3M
25,500 sh across 2 lots
Exec Aug 11
Filed Aug 13 · 4:01 PM ET
Joseph R. HolmesSALE VP & Chief Accounting Officer $246K
420 sh × $584.81
Exec Aug 7
Filed Aug 10 · 4:09 PM ET
Marc N CasperSALE Chairman & CEO $2.4M
4,057 sh across 7 lots
Exec Aug 7
Filed Aug 10 · 4:09 PM ET
Lisa P. BrittSALE Sr. VP and Chief HR Officer $3.4M
5,850 sh × $580.00
Exec Aug 6
Filed Aug 7 · 5:32 PM ET
Michael RulliSALE Representative $8K
$1K–15K bracket
Exec Dec 12 2024
Filed Aug 7 †
Marc N CasperSALE Chairman & CEO $8.5M
14,754 sh across 16 lots
Exec Aug 6
Filed Aug 7 · 5:26 PM ET
Marc N CasperSALE Chairman & CEO $8.1M
14,017 sh across 10 lots
Exec Aug 5
Filed Aug 7 · 5:26 PM ET
Gianluca PettitiSALE President & COO $226K
400 sh × $565.00
Exec Jul 27
Filed Jul 28 · 4:24 PM ET
Alan ArmstrongPURCHASE Senator $8K
$1K–15K bracket
Exec Mar 27
Filed Jul 21 †
Dan NewhouseSALE Representative (Spouse) $8K
$1K–15K bracket
Exec Jul 10
Filed Jul 17
Dwight EvansSALE Representative $8K
$1K–15K bracket
Exec May 7
Filed May 15
Gianluca PettitiSALE President & COO $185K
400 sh × $462.66
Exec Apr 27
Filed Apr 29 · 5:30 PM ET
Michael D ShaferSALE Executive Vice President $803K
1,607 sh × $499.40
Exec Mar 11
Filed Mar 12 · 5:30 PM ET
Marc N CasperSALE Chairman & CEO $1.9M
3,657 sh across 8 lots
Exec Mar 5
Filed Mar 9 · 5:30 PM ET
Marc N CasperSALE Chairman & CEO $4.8M
9,403 sh across 15 lots
Exec Mar 3
Filed Mar 5 · 5:30 PM ET
Gianluca PettitiSALE Executive Vice President $216K
400 sh × $541.20
Exec Feb 9
Filed Feb 11 · 5:30 PM ET
Julia LetlowPURCHASE Representative $16K
2 lots · $2K–30K bracket
Exec Oct 23 2024
Filed Jan 13 †
Julia LetlowSALE Representative $8K
$1K–15K bracket
Exec Apr 28 2025
Filed Jan 13 †
Michel LagardeSALE Executive Vice President & COO $12.4M
22,046 sh × $563.56
Exec Dec 4 2025
Filed Dec 5 2025 · 5:30 PM ET
Michel LagardeSALE Executive Vice President & COO $36.1M
62,000 sh across 3 lots
Exec Dec 2 2025
Filed Dec 4 2025 · 5:30 PM ET
Frederick M. LowerySALE Executive Vice President $8.2M
13,825 sh across 2 lots
Exec Dec 1 2025
Filed Dec 3 2025 · 5:30 PM ET
Michael D ShaferSALE Executive Vice President $6.4M
10,725 sh across 2 lots
Exec Nov 25 2025
Filed Nov 26 2025 · 5:30 PM ET
Lisa McClainPURCHASE Representative (Spouse) $8K
$1K–15K bracket
Exec Oct 30 2025
Filed Nov 21 2025