MARC N. CASPER - 25 Feb 2026 Form 4 Insider Report for THERMO FISHER SCIENTIFIC INC. (TMO)

Signature
/s/ Melodie T. Morin, Attorney-in-Fact for Marc N. Casper
Issuer symbol
TMO
Transactions as of
25 Feb 2026
Net transactions value
$0
Form type
4
Filing time
27 Feb 2026, 16:50:40 UTC
Previous filing
28 Oct 2025
Next filing
02 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CASPER MARC N Chairman & CEO, Director 168 THIRD AVENUE, WALTHAM /s/ Melodie T. Morin, Attorney-in-Fact for Marc N. Casper 27 Feb 2026 0001216055

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TMO Common Stock Award $0 +7,515 +6.6% $0.000000 121,277 25 Feb 2026 Direct F1
transaction TMO Common Stock Award $0 +7,333 +6% $0.000000 128,610 25 Feb 2026 Direct
holding TMO Common Stock 11,300 25 Feb 2026 By Alison Casper 2020 Irrevocable Trust F2
holding TMO Common Stock 14,608 25 Feb 2026 By Floral Park Associates, Inc.
holding TMO Common Stock 5,000 25 Feb 2026 By MNC 2020 Irrevocable Trust F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TMO Stock Option (Right to Buy) Award $0 +32,109 $0.000000 32,109 25 Feb 2026 Common Stock 32,109 $513.68 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares represent a performance-based restricted stock unit award granted on February 19, 2025. The Company's Compensation Committee determined on February 25, 2026, that the performance criteria related to this award were satisfied. One-third of the shares vest on February 28, 2026 and 2027. The remaining one-third will vest on February 28, 2028, and is subject to adjustment (positive or negative) for long-term performance which is based on the comparison of the Company's total shareholder return compound annual growth rate ("CAGR") to the total shareholder return CAGR of each of the companies in the peer group, as specified within the award agreement, over the measurement period starting on January 1, 2025, through to December 31, 2027.
F2 The reporting person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.
F3 The reporting person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.
F4 The option vests in four equal annual installments beginning on February 28, 2027.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney