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: Meyer James CIK: 0002115686 Role: Officer (Sr. Vice President & CFO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -37.23 | Price: $622.18 Total Value: $23,163.76 Shares Owned After: 5,792.808 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -44.483 | Price: $622.18 Total Value: $27,676.43 Shares Owned After: 5,748.325 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -19.824 | Price: $622.18 Total Value: $12,334.10 Shares Owned After: 5,728.501 | Ownership: D (Direct) [Transaction #4] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -55.12 | Price: $622.18 Total Value: $34,294.56 Shares Owned After: 5,673.381 | Ownership: D (Direct) [Transaction #5] Security: Common Stock Date: 2026-08-28 | Code: F (Payment of exercise/tax) Shares: -113.623 | Price: $622.18 Total Value: $70,693.96 Shares Owned After: 5,559.758 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F1] Between August 21, 2026 and August 28, 2026, the reporting person acquired .10 shares of TMO common stock under the TMO 401(k) plan. --- Footnotes (Complete Index) --- F1: Between August 21, 2026 and August 28, 2026, the reporting person acquired .10 shares of TMO common stock under the TMO 401(k) plan. --- Signature --- /s/ /s/ Melodie T. Morin, Attorney-in-Fact for James Meyer (2026-09-01)