Thermo Fisher Scientific Inc
Last updated September 27, 2026
Organization details
- Legal name
- Thermo Fisher Scientific Inc
- Former names
- Thermo Electron Corp
- Ownership
- Public
- Status
- Active
- SIC code
- 3829 — Measuring & Controlling Devices, NEC
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Waltham
- Headquarters state / province
- Massachusetts
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- TMO
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0000097745
- EIN
- 04-2209186
Board of directors
-
C. Martin Harris · DirectorSince 2023
-
Debora L. Spar · DirectorSince 2023
-
Dion J. Weisler · DirectorSince 2023
-
James C. Mullen · DirectorSince 2023
-
Jennifer M. Johnson · DirectorSince 2023
-
Jim P. Manzi · DirectorSince 2023
-
Karen S. Lynch · DirectorSince 2025
-
Lars Rebien Sorensen · DirectorSince 2023
-
Marc N. Casper · Director · Chairman & CEOSince 2023
-
Nelson Chai · DirectorSince 2023
-
R. Alexandra Keith · DirectorSince 2023
-
Ruby R. Chandy · DirectorSince 2023
-
Scott M. Sperling · DirectorSince 2023
-
Tyler Jacks · DirectorSince 2023
Chief executives
Marc N. Casper
· Chairman & CEO
Dates unknown
Director election results
Annual meeting of May 20, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
89.5%
-
90.9%
-
92.8%
-
93.1%
-
93.5%
-
96.7%
-
98.0%
-
98.2%
-
99.9%
Board connections
8 of this board's directors also sit on 12 other boards.
- via Tyler Jacks
- via Karen S. Lynch
- via Dion J. Weisler
- via Karen S. Lynch
- via Nelson Chai
- via C. Martin Harris
- via C. Martin Harris
- via Ruby R. Chandy
- via Ruby R. Chandy
- via Jennifer M. Johnson
- via Dion J. Weisler
- via Marc N. Casper
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $158,133,120
- 160 sales by 7 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | Gianluca Pettiti Officer (President & COO) | Open-market sale | −400 | $614.38 | $245,752 |
| Aug 31, 2026 | Gianluca Pettiti Officer (President & COO) | Option exercise | +3,733 | $309.63 | $1,155,849 |
| Aug 31, 2026 | Gianluca Pettiti Officer (President & COO) | Open-market sale | −3,733 | $614.38 | $2,293,481 |
| Aug 28, 2026 | Britt Lisa P. Officer (Sr. VP and Chief HR Officer) | Shares withheld for tax | −87 | $622.18 | $54,148 |
| Aug 28, 2026 | Marc N. Casper Director, Officer (Chairman & CEO) | Shares withheld for tax | −725 | $622.18 | $450,935 |
| Aug 28, 2026 | Holmes Joseph R. Officer (VP & Chief Accounting Officer) | Shares withheld for tax | −11 | $622.18 | $6,575 |
| Aug 28, 2026 | Meyer James Officer (Sr. Vice President & CFO) | Shares withheld for tax | −37 | $622.18 | $23,164 |
| Aug 28, 2026 | Gianluca Pettiti Officer (President & COO) | Shares withheld for tax | −212 | $622.18 | $132,061 |
| Aug 28, 2026 | Shafer Michael D Officer (Executive Vice President) | Shares withheld for tax | −162 | $622.18 | $101,078 |
| Aug 28, 2026 | Shropshire Thomas B Jr. Officer (SVP and General Counsel) | Shares withheld for tax | −49 | $622.18 | $30,502 |
| Aug 28, 2026 | Britt Lisa P. Officer (Sr. VP and Chief HR Officer) | Shares withheld for tax | −116 | $622.18 | $72,198 |
| Aug 28, 2026 | Marc N. Casper Director, Officer (Chairman & CEO) | Shares withheld for tax | −532 | $622.18 | $330,907 |
| Aug 28, 2026 | Holmes Joseph R. Officer (VP & Chief Accounting Officer) | Shares withheld for tax | −13 | $622.18 | $8,035 |
| Aug 28, 2026 | Meyer James Officer (Sr. Vice President & CFO) | Shares withheld for tax | −44 | $622.18 | $27,676 |
| Aug 28, 2026 | Gianluca Pettiti Officer (President & COO) | Shares withheld for tax | −304 | $622.18 | $188,918 |
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