X0306 4 2023-01-04 false 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001366945 COHN GARY D IBM CORPORATION ONE NEW ORCHARD ROAD ARMONK NY 10504 false true false false Vice Chairman Common Stock 2023-01-04 4 M false 5113.00 0.00 A 37664.873 D Common Stock 2023-01-04 4 F false 2119.00 142.495 D 35545.873 D Rst. Stock Unit 0.00 2023-01-04 4 M false 5113.00 0.00 D Common Stock 5113.00 10226.00 D On 01/04/21, the reporting person was granted 19,794 RSUs, 4,948 of which vested on 01/04/22, 4,949 of which vested on 01/04/23, 4,948 of which will vest on 01/04/24, and 4,949 of which will vest on 01/04/25. In connection with the spin-off of Kyndryl Holdings, Inc. on November 3, 2021, unvested Issuer restricted stock units were adjusted to reflect additional restricted stock units, which additional restricted stock units are included in the figures above. These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown. Release of restricted stock units. D. Glowienka on behalf of G. D. Cohn 2023-01-05