X0206 3 2020-12-15 0 0000051143 INTERNATIONAL BUSINESS MACHINES CORP IBM 0001837510 LAMOREAUX NICKLE JACLYN IBM CORPORATION ONE NEW ORCHARD ROAD ARMONK NY 10504 false true false false Senior Vice President Common Stock 2027.613 D Rst. Stock Unit 0.00 Common Stock 250.00 D Rst. Stock Unit 0.00 Common Stock 1563.00 D Rst. Stock Unit 0.00 Common Stock 547.00 D Rst. Stock Unit 0.00 Common Stock 3675.00 D Rst. Stock Unit 0.00 Common Stock 1390.00 D Rst. Stock Unit 0.00 Common Stock 2030.00 D Rst. Stock Unit 0.00 Common Stock 8067.00 D Rst. Stock Unit 0.00 Common Stock 3706.00 D These units are payable in cash or the company's common stock upon lapse of the restrictions on June 8, 2021 These units are payable in cash or the company's common stock upon lapse of the restrictions on June 1, 2022 Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 273 of these units on June 8, 2021, and for 274 of these units on June 8, 2022. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 1,837 of these units on June 3, 2021, and for 1,838 of these units on June 3, 2023. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 463 of these units on June 7, 2021, for 463 of these units on June 7, 2022, and for 464 of these units on June 7, 2023. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 507 of these units on June 8, 2021, for 507 of these units on June 8, 2022, for 507 of these units on June 8, 2023, and for 509 of these units on June 8, 2024. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 4,033 of these units on August 18, 2021, and for 4,034 of these units on August 18, 2023. Upon lapse of the restrictions, these units are payable in cash or the company's common stock. The restrictions lapse for 1,853 of these units on September 1, 2022, and for 1,853 of these units on September 1, 2024. D. Condrea on behalf of N. J. LaMoreaux 2020-12-23