X0206 3 2022-04-13 0 0001178697 SONIM TECHNOLOGIES INC SONM 0001925315 Liu Hao Peter C/O SONIM TECHNOLOGIES INC. 6500 RIVER PLACE BLVD., BLDG. 7, S#2 AUSTIN TX 78730 0 1 0 0 Chief Executive Officer Common Stock 107486 D Employee Stock Option (right to buy) 4.50 2023-06-09 Common Stock 3327 D Employee Stock Option (right to buy) 4.50 2023-06-09 Common Stock 1111 D Employee Stock Option (right to buy) 15.00 2025-06-29 Common Stock 666 D Employee Stock Option (right to buy) 24.80 2029-12-01 Common Stock 5000 D Includes 6,112 restricted stock units that are scheduled to vest in 3 equal annual installments beginning June 9, 2022. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. This stock option is fully vested and exercisable. This stock option is fully vested and exercisable with respect to 2,916 shares of the Issuer's common stock. The remaining 2,084 shares of the Issuer's common stock are scheduled to vest in monthly increments from May 1, 2022 to December 1, 2023. Exhibit List: Exhibit 24 - Power of Attorney /s/ Robert Tirva, as power-of-attorney 2022-04-25