Company: SONM
Filing Date: 2025-06-27
Form Type: DEFA14A
Source: 0001641172-25-016901
Chunk: 0

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-06-27
Form: DEFA14A
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934</div>

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Filed by a Party other than the Registrant ☐

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| ☐ | Preliminary                                                       
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| ☐ | Confidential,                                                     
 for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | Definitive                                                        
 Proxy Statement                                                   |
| ☒ | Definitive                                                        
 Additional Materials                                              |
| ☐ | Soliciting                                                        
 Material under §240.14a-12                                        |

<div align='center'>Sonim Technologies, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

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| ☐ | Fee                                                                                             
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Sonim Technologies Confirms Receipt of Unsolicited, Non-Binding Proposal from Orbic North America, LLC

No stockholder action required at this time

San Diego, CA – June 27, 2025 (NEWSFILE) – T he Special Committee of the Board of Directors (the “Special Committee”) of Sonim Technologies, Inc. (NASDAQ: SONM), formed to oversee the Company’s ongoing strategic alternatives process, today confirmed receipt of an unsolicited, non-binding proposalfrom Orbic North America, LLC to acquire substantially all of Sonim’s operating assets for $25 million. The proposal, dated June 26, 2025, represented that this $25 million offer would not preclude Sonim consummating the Reverse Take Over (RTO) transaction contemplated in the recently disclosed letter of intent with a private US-based company which is building out Nvidia-based High-Performance Computing (HPC) (see press release dated June 26, 2025, https://ir.sonimtech.com/news-events/press-releases/detail/263/sonim-technologies-signs-letter-of-intent-for-reverse).

The Special