X0508 4 2023-08-18 false 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001837510 LAMOREAUX NICKLE JACLYN IBM CORPORATION ONE NEW ORCHARD ROAD ARMONK NY 10504 false true false false Senior Vice President false Common Stock 2023-08-18 4 M false 4168.00 0.00 A 22755.501 D Common Stock 2023-08-18 4 F false 2129.00 140.835 D 20626.501 D Rst. Stock Unit 0.00 2023-08-18 4 M false 4168.00 0.00 D Common Stock 4168.00 0.00 D On 08/18/2020, the reporting person was granted 8,067 RSUs, 4,033 of which vested on 08/18/2021 and 4,034 of which vested on 08/18/2023. 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. J. Pomazal on behalf of N. J. LaMoreaux 2023-08-22