SCHEDULE 13G/A 0001992801 XXXXXXXX LIVE 2 Common Stock, $0.001 par value per share 12/31/2025 0001178697 Sonim Technologies, Inc. 83548F309 4445 Eastgate Mall Suite 200 San Diego CA 92121 Rule 13d-1(c) 1 Main Capital Management, LLC b DE 0.00 0.00 0.00 0.00 0.00 N 0.0 OO limited liability company Yaron Naymark b X1 0.00 0.00 0.00 0.00 0.00 N 0.0 IN 1 Main Capital Partners, L.P. b DE 0.00 0.00 0.00 0.00 0.00 N 0.0 PN 1 Main Capital GP, LLC b DE 0.00 0.00 0.00 0.00 0.00 N 0.0 OO limited liability company Sonim Technologies, Inc. 4445 Eastgate Mall Suite 200 San Diego, CA, 92121 This Schedule 13G is filed by the following (the "Reporting Persons"): (1) 1 Main Capital Management, LLC (the "Adviser"); (2) Yaron Naymark; (3) 1 Main Capital Partners, L.P. ("Fund 1"); and (4) 1 Main Capital GP, LLC (the "General Partner of Fund 1"). The Adviser also acts as the investment adviser to 2055 Partners L.P. ("Fund 2"), an unaffiliated client of the Adviser. Fund 1 and Fund 2 (together, the "Funds") are private investment vehicles. The Funds directly beneficially own the Common Stock (as defined below) reported in this Statement. The Adviser is the investment manager of the Funds. Yaron Naymark is the Principal of the Adviser. The General Partner of Fund 1 is the general partner of Fund 1. The Adviser, Yaron Naymark and the General Partner of Fund 1 may be deemed to beneficially own the Common Stock directly beneficially owned by Fund 1. The Adviser and Yaron Naymark may be deemed to beneficially own the Common Stock directly beneficially owned by Fund 2. Each Reporting Person disclaims beneficial ownership with respect to any Common Stock other than the Common Stock directly beneficially owned by such Reporting Person. The principal business office of the Reporting Persons is 8 Wright Street, Suite 107, Westport, Connecticut, 06880. For citizenship or place of organization see Item 4 of the cover page of each Reporting Person. Y See Items 5-9 and 11 on the cover page for each Reporting Person, and Item 2, which information is given as of the close of business on the Event Date of December 31, 2025. See Item 11 on the cover page for each Reporting Person. See Item 5 on the cover page for each Reporting Person. See Item 6 on the cover page for each Reporting Person. See Item 7 on the cover page for each Reporting Person. See Item 8 on the cover page for each Reporting Person. N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. 1 Main Capital Management, LLC /s/ Yaron Naymark 02/17/2026 Yaron Naymark /s/ Yaron Naymark 02/17/2026 1 Main Capital Partners, L.P. /s/ Yaron Naymark 02/17/2026 1 Main Capital GP, LLC /s/ Yaron Naymark 02/17/2026