Company: SONM
Filing Date: 2025-09-19
Form Type: DEF 14A
Source: 0001493152-25-014244
Chunk: 2

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-09-19
Form: DEF 14A
Chunk 2
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 Security                                                                                                    
 Ownership of Certain Beneficial Owners and Management                                                       |                                                                                                                    |   38 |
| Other                                                                                                       
 Matters                                                                                                     |                                                                                                                    |   40 |
|                                                                                                             | Householding of proxy materials                                                                                    |   40 |
|                                                                                                             | Stockholder                                                                                                        
 proposals for the 2026 annual meeting of stockholders                                                              |   40 |
| Annex A — Certificate of Amendment to Certificate of Incorporation: Reverse Stock Split                     |                                                                                                                    |  A-1 |
| Annex B — Certificate of Amendment to Certificate of Incorporation: Authorized Share Increase               |                                                                                                                    |  B-1 |
| Annex C — Amended Sonim Technologies, Inc. 2019 Equity Incentive Plan                                       |                                                                                                                    |  C-1 |

| Sonim                    
 Technologies, Inc.       
 4445                     
 Eastgate Mall, Suite 200 
 San                      
 Diego, California 92121  |

<div align='center'>PROXY STATEMENT
FOR THE 2025 SPECIAL MEETING OF STOCKHOLDERS
To be held on Thursday, October 16, 2025</div>

This proxy statement contains
information about the 2025 Special Meeting of Stockholders (the “Special Meeting”) of Sonim Technologies, Inc. (“Sonim,”
the “Company,” or “we”), which will be held on Thursday, October 16, 2025, at 9:00 a.m., Pacific Time.
The Special Meeting will be held virtually via live audio webcast. You will be able to virtually attend the Special Meeting as well as
vote and submit your questions during the live audio webcast of the meeting by visiting www.proxydocs.com/SONM and entering the control
number included on your proxy card or in the instructions that accompanied your proxy materials.

All properly submitted proxies will be voted in accordance with the instructions contained in those proxies. If no instructions are specified, the proxies will be voted in accordance with the recommendation of our board of directors ( the “board” or “our board,” whether capitalized or not) with respect to each of the matters set forth in the accompanying notice of meeting. You may revoke your proxy at any time before it is exercised at the meeting by one of the methods described under the title “ May I change or revoke my proxy?”

This proxy statement and the form
of proxy were first sent or given to stockholders on or about September 19, 2025.

The mailing address of our principal executive offices is Sonim Technologies, Inc