IBM

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-26 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: INTERNATIONAL BUSINESS MACHINES CORP (IBM) CIK: 0000051143 --- Reporting Owner --- Name: Thomas Robert David CIK: 0002005007 Role: Officer (Senior Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-26 | Code: S (Open market sale) Shares: -25,000 | Price: $230.32 Total Value: $5,758,087.50 Shares Owned After: 47,800.35 | Ownership: D (Direct) Footnotes: [F1] The price reported in Column 4 is weighted average price. These shares were sold in multiple transactions at prices ranging from $229.835 to $230.69, inclusive. The reporting person undertakes to provide to International Business Machines Corporation (IBM), any security holder of IBM, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4. --- Footnotes (Complete Index) --- F1: The price reported in Column 4 is weighted average price. These shares were sold in multiple transactions at prices ranging from $229.835 to $230.69, inclusive. The reporting person undertakes to provide to International Business Machines Corporation (IBM), any security holder of IBM, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4. --- Signature --- /s/ L. Mallardi on behalf of R. Thomas (2026-08-28)