X0306 4 2017-06-08 false 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001180452 KELLY JOHN E III IBM CORPORATION ONE NEW ORCHARD ROAD ARMONK NY 10504 false true false false Senior Vice President Common Stock 2017-06-08 4 M false 3319.00 0.00 A 31770.7628 D Common Stock 2017-06-08 4 F false 1712.00 151.865 D 30058.7628 D Common Stock 65.00 I son Common Stock 24782.994 I trust 1 Common Stock 13000.00 I trust 2 Rst. Stock Unit 0.00 2017-06-08 4 A false 11000.00 0.00 A Common Stock 11000.00 11000.00 D Rst. Stock Unit 0.00 2017-06-08 4 M false 3319.00 0.00 D Common Stock 3319.00 9957.00 D 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. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 2,750 of these units on 06/08/2018, 2750 of these units on 06/08/2019, 2,750 of these units on 06/08/2020, and 2,750 of these units on 06/08/2021. These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown. Release of restricted stock units. A. Gomes da Silva on behalf of J. E. Kelly III 2017-06-09