X0206 3 2023-04-28 0 0001178697 SONIM TECHNOLOGIES INC SONM 0001775310 Becher Charles C/O SONIM TECHNOLOGIES INC. 4445 EASTGATE MALL, SUITE 200 SAN DIEGO CA 92121 0 1 0 0 See Remarks Common Stock 108227 D Employee Stock Option (right to buy) 0.419 2032-08-29 Common Stock 400000 D 100,000 options vest on August 29, 2023, and the remaining options vest in twelve (12) equal quarterly installments of 25,000 options thereafter, subject to the Reporting Person's continued employment with Sonim Technologies, Inc. Chief Commercial Officer and General Manager of North America Exhibit List: Exhibit 24 - Power of Attorney /s/ Clay Crolius, by power of attorney 2023-05-08