X0306 4 2015-08-27 false 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001333712 Rometty Virginia M IBM CORPORATION ONE NEW ORCHARD ROAD ARMONK NY 10504 true true false false Chairman, Pres. and CEO Common Stock 2015-07-28 5 G false E 640.00 0.00 D 162266.6661 I Trust Common Stock 2015-08-27 4 I false 9425.0706 148.54 A 10158.3066 D The balance of indirect holdings on the immediately preceding Form 4 already accounted for the 640 share gift. 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. Intra-plan transfer into the IBM Stock Fund of the IBM 401(k) Plus Plan. M. Clemens on behalf of V. M. Rometty 2015-08-28