Thermo Fisher Scientific Inc. (TMO) Insider Ownership

Historic Insider Ownership Trends

Thermo Fisher Scientific's top three insider shareholders as of April 22, 2026 are Marc N Casper (Chairman Ceo, 123.93K shares), Michel Lagarde (Executive Vice President, 85.15K shares), Scott M Sperling (Director, 68.98K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Marc N Casper Chairman Ceo 123,925 0 09 Mar, 2026
Michel Lagarde Executive Vice President 85,151 0 02 Mar, 2026
Scott M Sperling - 68,980 0 11 Dec, 2025
Mark Stevenson Retiring Executive Vp Coo 62,141 0 01 Mar, 2022
Marc N Casper Chairman Ceo 0 34,825 04 Aug, 2021
Gianluca Pettiti President Coo 25,451 0 02 Mar, 2026
Michael D Shafer Executive Vice President 20,950 0 12 Mar, 2026
Frederick M. Lowery Executive Vice President 15,044 0 02 Mar, 2026
Nelson Chai - 14,817 0 22 May, 2025
Jim P Manzi - 14,807 0 07 Feb, 2023
Lisa P. Britt Sr. Vp And Chief Hr Officer 14,784 0 02 Mar, 2026
Marc N Casper Chairman Ceo 0 14,608 12 Nov, 2024
Marc N Casper Chairman Ceo 0 11,300 30 Nov, 2023
Michael A Boxer Svp And General Counsel 10,816 0 11 Mar, 2025
Thomas J Lynch - 10,257 0 08 Nov, 2021
Lars Rebien Sorensen - 9,233 0 23 May, 2024
C Martin Harris - 9,033 0 22 May, 2025
Tyler Jacks - 8,963 0 22 May, 2025
Thomas B Jr. Shropshire Svp And General Counsel 6,058 0 27 Feb, 2026
Dion J Weisler - 5,028 0 22 May, 2025
Marc N Casper Chairman Ceo 0 5,000 13 Feb, 2023
James C Mullen - 3,393 0 22 May, 2025
Joseph R. Holmes Vp Chief Accounting Officer 2,966 0 02 Mar, 2026
Ruby R Chandy - 2,964 0 22 May, 2025
Debora L Spar - 2,111 0 22 May, 2025
R. Alexandra Keith - 2,103 0 22 May, 2025
Jennifer M Johnson - 904 0 22 May, 2025
Karen S Lynch - 660 0 22 May, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
28 Mar, 2026 R. Alexandra Keith Phantom Stock Units A 66 - 1,270 D A
28 Mar, 2026 Karen S Lynch Phantom Stock Units A 66 - 291 D A
28 Mar, 2026 Scott M Sperling Phantom Stock Units A 90 - 17,592 D A
28 Mar, 2026 Jennifer M Johnson Phantom Stock Units A 66 - 661 D A
28 Mar, 2026 Dion J Weisler Phantom Stock Units A 79 - 2,718 D A
11 Mar, 2026 Michael D Shafer Common Stock D 1,607 $499.40 20,950 D S
05 Mar, 2026 Marc N Casper Common Stock A 4,000 $309.63 127,925 D M
05 Mar, 2026 Marc N Casper Common Stock D 20 $503.66 127,905 D S
05 Mar, 2026 Marc N Casper Common Stock D 60 $505.76 127,845 D S
05 Mar, 2026 Marc N Casper Common Stock D 58 $507.54 127,787 D S
05 Mar, 2026 Marc N Casper Common Stock D 99 $509.66 127,688 D S
05 Mar, 2026 Marc N Casper Common Stock D 214 $511.78 127,474 D S
05 Mar, 2026 Marc N Casper Common Stock D 411 $512.73 127,063 D S
05 Mar, 2026 Marc N Casper Common Stock D 1,133 $513.71 125,930 D S
05 Mar, 2026 Marc N Casper Common Stock D 570 $514.71 125,360 D S
05 Mar, 2026 Marc N Casper Common Stock D 348 $515.64 125,012 D S
05 Mar, 2026 Marc N Casper Common Stock D 201 $516.73 124,811 D S
05 Mar, 2026 Marc N Casper Common Stock D 106 $517.83 124,705 D S
05 Mar, 2026 Marc N Casper Common Stock D 516 $519.13 124,189 D S
05 Mar, 2026 Marc N Casper Common Stock D 264 $519.74 123,925 D S