X0306 4 2022-01-20 0 0001643269 Sumo Logic, Inc. SUMO 0001822614 Sayar Ramin 305 MAIN STREET REDWOOD CITY CA 94063 1 1 0 0 President and CEO Common Stock 2022-01-20 4 S 0 3800 11.652 D 616819 D Common Stock 2022-01-20 4 M 0 96500 1.15 A 99162 I See footnote Common Stock 2022-01-20 4 S 0 96500 11.652 D 2662 I See footnote Common Stock 7428 I See footnote Common Stock 7428 I See footnote Stock Option (right to buy) 1.15 2022-01-20 4 M 0 96500 0.00 D 2024-12-02 Common Stock 96500 2135298 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 8, 2021. This sale price represents the weighted average sale price of the shares sold ranging from $11.30 to $11.90 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. Certain of these shares are represented by previously reported RSUs. Each RSU represents the Reporting Person's right to receive one share of Common Stock of the Issuer subject to the applicable vesting schedule and the Reporting Person continuing to be a Service Provider through each such date. These shares are held of record by The Sayar Family Trust, for which the Reporting Person serves as co-trustee. Shares are held in trusts for the benefit of each of the Reporting Person's children. The Reporting Person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. The shares underlying this option are fully vested and immediately exercisable. /s/ Katherine Haar, Attorney-in-fact 2022-01-24