X0306 4 2019-06-11 false 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001604043 KEVERIAN KENNETH M IBM CORPORATION NEW ORCHARD ROAD ARMONK NY 10504 false true false false Senior Vice President Common Stock 2019-06-11 4 S false 2690.00 135.50 D 34664.765 D Common Stock 100.00 I spouse The reporting person disclaims beneficial ownership of the securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. D. Condrea on behalf of K. M. Keverian 2019-06-12