IBM 4: KRISHNA ARVIND bought 5,166 shares of Common Stock at $N/A… (Feb 23, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-21 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: 2026-02-21 | Code: M (Exercise of derivative) Shares: +5,166 | Price: $0.00 Shares Owned After: 368,627.283 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-02-21 | Code: F (Payment of exercise/tax) Shares: -2,587 | Price: $256.42 Total Value: $663,358.54 Shares Owned After: 366,040.283 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-02-21 | Code: M (Exercise of derivative) Shares: +6,123 | Price: $0.00 Shares Owned After: 372,163.283 | Ownership: D (Direct) [Transaction #4] Security: Common Stock Date: 2026-02-21 | Code: F (Payment of exercise/tax) Shares: -3,069 | Price: $256.42 Total Value: $786,952.98 Shares Owned After: 369,094.283 | Ownership: D (Direct) [Transaction #5] Security: Common Stock Date: 2026-02-21 | Code: M (Exercise of derivative) Shares: +5,614 | Price: $0.00 Shares Owned After: 374,708.283 | Ownership: D (Direct) [Transaction #6] Security: Common Stock Date: 2026-02-21 | Code: F (Payment of exercise/tax) Shares: -2,814 | Price: $256.42 Total Value: $721,565.88 Shares Owned After: 371,894.283 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Rst. Stock Unit Date: 2026-02-21 | Code: M (Exercise of derivative) Shares: -5,166 | Price: $0.00 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F1] On 2/21/22, the reporting person was granted 20,655 RSUs, 5,163 of which vested on 2/21/23, 5,163 of which vested on 2/21/24, 5,163 of which vested on 2/21/25 and 5,166 of which vested on 2/21/26. [F2] These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown. [F3] Release of restricted stock units. [F1] On 2/21/22, the reporting person was granted 20,655 RSUs, 5,163 of which vested on 2/21/23, 5,163 of which vested on 2/21/24, 5,163 of which vested on 2/21/25 and 5,166 of which vested on 2/21/26. [F1] On 2/21/22, the reporting person was granted 20,655 RSUs, 5,163 of which vested on 2/21/23, 5,163 of which vested on 2/21/24, 5,163 of which vested on 2/21/25 and 5,166 of which vested on 2/21/26. [Transaction #2] Security: Rst. Stock Unit Date: 2026-02-21 | Code: M (Exercise of derivative) Shares: -6,123 | Price: $0.00 Shares Owned After: 6,123 | Ownership: D (Direct) Footnotes: [F4] On 2/21/23, the reporting person was granted 24,492 RSUs, 6,123 of which vested on 2/21/24, 6,123 of which vested on 2/21/25, 6,123 of which vested on 2/21/26 and 6,123 of which will vest on 2/21/27. [F2] These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown. [F3] Release of restricted stock units. [F4] On 2/21/23, the reporting person was granted 24,492 RSUs, 6,123 of which vested on 2/21/24, 6,123 of which vested on 2/21/25, 6,123 of which vested on 2/21/26 and 6,123 of which will vest on 2/21/27. [F4] On 2/21/23, the reporting person was granted 24,492 RSUs, 6,123 of which vested on 2/21/24, 6,123 of which vested on 2/21/25, 6,123 of which vested on 2/21/26 and 6,123 of which will vest on 2/21/27. [F4] On 2/21/23, the reporting person was granted 24,492 RSUs, 6,123 of which vested on 2/21/24, 6,123 of which vested on 2/21/25, 6,123 of which vested on 2/21/26 and 6,123 of which will vest on 2/21/27. [Transaction #3] Security: Rst. Stock Unit Date: 2026-02-21 | Code: M (Exercise of derivative) Shares: -5,614 | Price: $0.00 Shares Owned After: 11,227 | Ownership: D (Direct) Footnotes: [F5] On 2/21/24, the reporting person was granted 22,454 RSUs, 5,613 of which vested on 2/21/25, 5,614 of which vested on 2/21/26, 5,613 of which will vest on 2/21/27, and 5,614 of which will vest on 2/21/28 [F2] These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown. [F3] Release of restricted stock units. [F5] On 2/21/24, the reporting person was granted 22,454 RSUs, 5,613 of which vested on 2/21/25, 5,614 of which vested on 2/21/26, 5,613 of which will vest on 2/21/27, and 5,614 of which will vest on 2/21/28 [F5] On 2/21/24, the reporting person was granted 22,454 RSUs, 5,613 of which vested on 2/21/25, 5,614 of which vested on 2/21/26, 5,613 of which will vest on 2/21/27, and 5,614 of which will vest on 2/21/28 [F5] On 2/21/24, the reporting person was granted 22,454 RSUs, 5,613 of which vested on 2/21/25, 5,614 of which vested on 2/21/26, 5,613 of which will vest on 2/21/27, and 5,614 of which will vest on 2/21/28 --- Footnotes (Complete Index) --- F1: On 2/21/22, the reporting person was granted 20,655 RSUs, 5,163 of which vested on 2/21/23, 5,163 of which vested on 2/21/24, 5,163 of which vested on 2/21/25 and 5,166 of which vested on 2/21/26. F2: These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown. F3: Release of restricted stock units. F4: On 2/21/23, the reporting person was granted 24,492 RSUs, 6,123 of which vested on 2/21/24, 6,123 of which vested on 2/21/25, 6,123 of which vested on 2/21/26 and 6,123 of which will vest on 2/21/27. F5: On 2/21/24, the reporting person was granted 22,454 RSUs, 5,613 of which vested on 2/21/25, 5,614 of which vested on 2/21/26, 5,613 of which will vest on 2/21/27, and 5,614 of which will vest on 2/21/28 --- Signature --- /s/ L. Mallardi on behalf of A. Krishna (2026-02-23)