X0508 4 2025-02-06 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 0 Common Stock 2025-02-06 4 A 0 70671 0.00 A 93994 D Represents the grant of restricted stock units that vest in two equal installments on the 90th and 180th day following the date of the grant, subject to the Reporting Person's continued service to the Issuer. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock. Consists of (i) 23,323 shares of common stock and (ii) 70,671 unvested restricted stock units. The number of securities reported herein reflects the effects of a 1-for-10 reverse stock split effected by the Issuer on July 17, 2024, which was exempt from reporting pursuant to Rule 16a-9. Chief Commercial Officer and General Manager of North America /s/ Clay Crolius, by power of attorney 2025-02-10