X0306 4 2016-05-05 false 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001596273 PICCIANO ROBERT J IBM CORPORATION 294 ROUTE 100 SOMERS NY 10589 false true false false Senior Vice President Common Stock 2016-05-05 4 S false 1067.00 146.49 D 37633.422 D Common Stock 2016-05-05 4 S false 100.00 146.50 D 37533.422 D Common Stock 2016-05-05 4 S false 1923.00 146.485 D 35610.422 D Common Stock 4.00 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. M. Clemens on behalf of R. J. Picciano 2016-05-06