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: Holmes Joseph R. CIK: 0001839832 Role: Officer (VP & Chief Accounting Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -10.567 | Price: $622.18 Total Value: $6,574.58 Shares Owned After: 2,955.7885 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -12.915 | Price: $622.18 Total Value: $8,035.45 Shares Owned After: 2,942.8735 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -11.447 | Price: $622.18 Total Value: $7,122.09 Shares Owned After: 2,931.4265 | Ownership: D (Direct) [Transaction #4] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -14.97 | Price: $622.18 Total Value: $9,314.03 Shares Owned After: 2,916.4565 | Ownership: D (Direct) --- Signature --- /s/ /s/ Melodie T. Morin, Attorney-in-Fact for Joseph R. Holmes (2026-09-01)