IBM 4/A: FARR DAVID N bought 237 shares of Promised Fee Share at $24… (Dec 29, 2025)

=== SEC Form 4/A — Statement of Changes in Beneficial Ownership === Document Type: 4/A Period of Report: 2025-03-31 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: INTERNATIONAL BUSINESS MACHINES CORP (IBM) CIK: 0000051143 --- Reporting Owner --- Name: FARR DAVID N CIK: 0001183474 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Promised Fee Share Date: 2025-03-31 | Code: A (Grant or award) Shares: +237.077 | Price: $248.66 Shares Owned After: 21,600.077 | Ownership: D (Direct) Footnotes: [F1] Promised Fee Shares under the IBM Board of Directors Deferred Compensation and Equity Award Plan are paid out after retirement in the company's common stock or cash. [F2] Deferral of fees into Promised Fee Shares under the terms of the IBM Board of Directors Deferred Compensation and Equity Award Plan. [F3] On April 1, 2025, the reporting person filed a Form 4 which, due to administrative error, inadvertently omitted 5.077 Promised Fee Shares from the number of securities acquired on March 31, 2025. The number of Promised Fee Shares acquired and total holdings as of March 31, 2025 have been updated to reflect these Promised Fee Shares. [F4] Distribution of Promised Fee Shares under the IBM Board of Directors Deferred Compensation and Equity Award Plan is deferred until retirement. [F4] Distribution of Promised Fee Shares under the IBM Board of Directors Deferred Compensation and Equity Award Plan is deferred until retirement. [F3] On April 1, 2025, the reporting person filed a Form 4 which, due to administrative error, inadvertently omitted 5.077 Promised Fee Shares from the number of securities acquired on March 31, 2025. The number of Promised Fee Shares acquired and total holdings as of March 31, 2025 have been updated to reflect these Promised Fee Shares. [F3] On April 1, 2025, the reporting person filed a Form 4 which, due to administrative error, inadvertently omitted 5.077 Promised Fee Shares from the number of securities acquired on March 31, 2025. The number of Promised Fee Shares acquired and total holdings as of March 31, 2025 have been updated to reflect these Promised Fee Shares. --- Footnotes (Complete Index) --- F1: Promised Fee Shares under the IBM Board of Directors Deferred Compensation and Equity Award Plan are paid out after retirement in the company's common stock or cash. F2: Deferral of fees into Promised Fee Shares under the terms of the IBM Board of Directors Deferred Compensation and Equity Award Plan. F3: On April 1, 2025, the reporting person filed a Form 4 which, due to administrative error, inadvertently omitted 5.077 Promised Fee Shares from the number of securities acquired on March 31, 2025. The number of Promised Fee Shares acquired and total holdings as of March 31, 2025 have been updated to reflect these Promised Fee Shares. F4: Distribution of Promised Fee Shares under the IBM Board of Directors Deferred Compensation and Equity Award Plan is deferred until retirement. --- Signature --- /s/ L. Mallardi on behalf of D. N. Farr (2025-12-29)