X0206 3 2021-01-01 0 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 No Securities are beneficially owned 0.00 D Rst. Stock Unit 0.00 Common Stock 81480.00 D Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 32,592 of these units on December 28, 2021, for 26,481 of these units on December 28, 2022, and for 22,407 of these units on December 28, 2023. D. Condrea on behalf of G. D. Cohn 2021-01-06