X0306 4 2017-05-16 false 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001171767 OWENS JAMES W C/O SECRETARY'S OFFICE, IBM CORPORATION ONE NEW ORCHARD ROAD ARMONK NY 10504 true false false false Common Stock 2017-05-16 4 P false 1718.00 153.19 A 5000.00 I Trust 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. A. Gomes da Silva on behalf of J. W. Owens 2017-05-17