X0206 3 2023-12-12 0 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0002005007 Thomas Robert David IBM CORPORATION ONE NEW ORCHARD ROAD ARMONK NY 10504 false true false false Senior Vice President Common Stock 33482.301 D Rst. Stock Unit 0.00 Common Stock 36782.00 D Rst. Stock Unit 0.00 Common Stock 3673.00 D Rst. Stock Unit 0.00 Common Stock 6885.00 D Rst. Stock Unit 0.00 Common Stock 7887.00 D Rst. Stock Unit 0.00 Common Stock 12463.00 D Emp. Stock Option (right to buy) 124.51 2023-02-21 2032-02-20 Common Stock 73583.00 D Emp. Stock Option (right to buy) 133.00 2024-02-21 2033-02-20 Common Stock 74758.00 D Phantom Stock Common Stock 5.00 D Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 22,068 of these units on Feb 11, 2024, and for 14,714 of these units on Feb 11, 2025. These units are payable in cash or the company's common stock upon lapse of the restrictions on June 8, 2024. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 3,442 of these units on June 8, 2024, and for 3,443 of these units on June 8, 2025. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 2,628 of these units on Feb 21, 2024, for 2,628 of these units on Feb 21, 2025, and for 2,631 of these units on Feb 21, 2026. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 3,115 of these units on Feb 21, 2024, for 3,116 of these units on Feb 21, 2025, for 3,116 of these units on Feb 21, 2026, and for 3,116 of these units on Feb 21, 2027. These derivative securities vest in four equal annual installments; the most recent vesting occurred on the date exercisable shown above. All expire on the expiration date shown above. These derivative securities vest in four equal annual installments, the first vesting being on the date exercisable shown above. All expire on the expiration date shown above. Phantom stock units acquired under the IBM Excess 401(k) Plus Plan convert to the cash value of the company's common stock on a one-for-one basis, and distribution is deferred until separation from the company. The reporting person may transfer some of these phantom stock units into an alternative investment account under such plan. L. Lalli on behalf of Robert Thomas 2023-12-19