IBM

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: INTERNATIONAL BUSINESS MACHINES CORP (IBM) CIK: 0000051143 --- Reporting Owner --- Name: KRISHNA ARVIND CIK: 0001629898 Role: Director, Officer (Chairman, President & CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-01 | Code: A (Grant or award) Shares: +83,028 | Price: $0.00 Shares Owned After: 401,716.2665 | Ownership: D (Direct) Footnotes: [F1] These shares result from performance share units which vested at the end of the performance period (2023-2025) and were payable in cash or the company's common stock on the transaction date shown. [Transaction #2] Security: Common Stock Date: 2026-02-01 | Code: F (Payment of exercise/tax) Shares: -41,133 | Price: $303.75 Total Value: $12,494,354.41 Shares Owned After: 360,583.2665 | Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: These shares result from performance share units which vested at the end of the performance period (2023-2025) and were payable in cash or the company's common stock on the transaction date shown. --- Signature --- /s/ L. Mallardi on behalf of A. Krishna (2026-02-02)