Stephen Williamson - 28 Feb 2026 Form 4 Insider Report for THERMO FISHER SCIENTIFIC INC. (TMO)

Role
Retiring Sr. VP and CFO
Signature
/s/ Melodie T. Morin, Attorney-in-Fact for Stephen Williamson
Issuer symbol
TMO
Transactions as of
28 Feb 2026
Net transactions value
-$480,356
Form type
4
Filing time
02 Mar 2026, 16:04:53 UTC
Previous filing
27 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Williamson Stephen Retiring Sr. VP and CFO 168 THIRD AVENUE, WALTHAM /s/ Melodie T. Morin, Attorney-in-Fact for Stephen Williamson 02 Mar 2026 0001648929

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TMO Common Stock Tax liability $351,605 -675 -2% $521.11 32,746 28 Feb 2026 Direct
transaction TMO Common Stock Tax liability $128,750 -247 -0.75% $521.11 32,499 28 Feb 2026 Direct
holding TMO Common Stock 12,674 28 Feb 2026 By SLAT F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Stephen Williamson is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 The reporting person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.