Thermo Fisher Scientific Inc. (TMO) Insider Ownership

Historic Insider Ownership Trends

As of June 06, 2026, Thermo Fisher Scientific's top three insider holders 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
Jennifer M Johnson - 904 0 22 May, 2025
Thomas J Lynch - 10,257 0 08 Nov, 2021
Scott M Sperling - 68,980 0 11 Dec, 2025
Marc N Casper Chairman Ceo 123,925 0 09 Mar, 2026
Jim P Manzi - 14,807 0 07 Feb, 2023
Lars Rebien Sorensen - 9,233 0 23 May, 2024
James C Mullen - 3,393 0 22 May, 2025
C Martin Harris - 9,033 0 22 May, 2025
Nelson Chai - 14,817 0 22 May, 2025
Karen S Lynch - 660 0 22 May, 2025
Ruby R Chandy - 2,964 0 22 May, 2025
Mark Stevenson Retiring Executive Vp Coo 62,141 0 01 Mar, 2022
Tyler Jacks - 8,963 0 22 May, 2025
Michel Lagarde Executive Vice President 85,151 0 02 Mar, 2026
Debora L Spar - 2,111 0 22 May, 2025
Dion J Weisler - 5,028 0 22 May, 2025
Stephen Williamson Retiring Sr. Vp And Cfo 32,499 0 02 Mar, 2026
Lisa P. Britt Sr. Vp And Chief Hr Officer 14,784 0 02 Mar, 2026
R. Alexandra Keith - 2,103 0 22 May, 2025
Michael A Boxer Svp And General Counsel 10,816 0 11 Mar, 2025
Frederick M. Lowery Executive Vice President 15,044 0 02 Mar, 2026
Joseph R. Holmes Vp Chief Accounting Officer 2,966 0 02 Mar, 2026
Gianluca Pettiti President Coo 25,451 0 02 Mar, 2026
Michael D Shafer Executive Vice President 20,950 0 12 Mar, 2026
Thomas B Jr. Shropshire Svp And General Counsel 6,058 0 27 Feb, 2026

* 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 Jennifer M Johnson Phantom Stock Units A 66 - 661 D A
28 Mar, 2026 R. Alexandra Keith Phantom Stock Units A 66 - 1,270 D A
28 Mar, 2026 Scott M Sperling Phantom Stock Units A 90 - 17,592 D A
28 Mar, 2026 Dion J Weisler Phantom Stock Units A 79 - 2,718 D A
28 Mar, 2026 Karen S Lynch Phantom Stock Units A 66 - 291 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