Thermo Fisher (TMO)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-28 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: THERMO FISHER SCIENTIFIC INC. (TMO) CIK: 0000097745 --- Reporting Owner --- Name: Britt Lisa P. CIK: 0001676320 Role: Officer (Sr. VP and Chief HR Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -87.03 | Price: $622.18 Total Value: $54,148.33 Shares Owned After: 14,697.118 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -116.04 | Price: $622.18 Total Value: $72,197.77 Shares Owned After: 14,581.078 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -105.403 | Price: $622.18 Total Value: $65,579.64 Shares Owned After: 14,475.675 | Ownership: D (Direct) [Transaction #4] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -85.096 | Price: $622.18 Total Value: $52,945.03 Shares Owned After: 14,390.579 | Ownership: D (Direct) --- Signature --- /s/ /s/ Melodie T. Morin, Attorney-in-Fact for Lisa P. Britt (2026-09-01)