# EDGAR Filing Document

**Accession Number:** 0001178697
**File Stem:** 0001641172-25-015847
**Filing Date:** 2025-6
**Character Count:** 5552
**Document Hash:** a8388552d8f47384e3fdd4dbbdf65b18
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001641172-25-015847.hdr.sgml**: 20250620

**ACCESSION NUMBER**: 0001641172-25-015847

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250620

**DATE AS OF CHANGE**: 20250620

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SONIM TECHNOLOGIES INC
- **CENTRAL INDEX KEY:** 0001178697
- **STANDARD INDUSTRIAL CLASSIFICATION:** TELEPHONE & TELEGRAPH APPARATUS [3661]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 943336783
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38907
- **FILM NUMBER:** 251061542

**BUSINESS ADDRESS:**
- **STREET 1:** 4445 EASTGATE MALL
- **STREET 2:** SUITE 200
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** 650-378-8100

**MAIL ADDRESS:**
- **STREET 1:** 4445 EASTGATE MALL
- **STREET 2:** SUITE 200
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

**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**

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ 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

**Sonim Technologies, Inc.**

**(Name of Registrant as Specified In Its Charter)**

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)**

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required

☐ Fee paid previously with preliminary materials

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

***Subject: Sonim July 18 Annual Meeting***

Team,

Earlier this week, our Board of Directors shared an update with all of our stockholders on our ongoing review of strategic alternatives and the efforts by Orbic North America, LLC to try to take control of our Company. You can read more in the press release we issued **<u>here</u>.**

<u>The Sonim Annual Meeting is July 18, 2025, and as fellow stockholders, your vote is important.</u>

The Sonim Board strongly recommends all stockholders to vote **<u>FOR</u>** each of the Company's highly qualified director nominees using the **<u>WHITE</u>** proxy card, as soon as possible. If you have any questions on how to vote, please contact the Company's proxy solicitor, contact details below.

Thank you for your continued support and dedication to Sonim!

Peter

Peter Liu

CEO

Sonim Technologies

*For more information or assistance with voting your shares, please call the Company's proxy solicitor:*

 

*Toll Free: (800) 662-5200<br> E-mail: <u>SONM@investor.sodali.com</u>*

**Important Information and Where to Find It**

Sonim has filed with the SEC a definitive proxy statement on Schedule 14A, containing a form of **WHITE** proxy card, with respect to its solicitation of proxies for the 2025 Annual Meeting of Stockholders.

**Sonim's stockholders are strongly encouraged to read Sonim's definitive proxy statement (including any amendments or supplements thereto) and any other documents to be filed with the SEC carefully and in their entirety when they become available because they will contain important information.**

Stockholders may obtain a free copy of the definitive proxy statement, any amendments or supplements to the proxy statement, and other documents that Sonim files with the SEC at no charge from the SEC's website at <u>www.sec.gov</u>. Copies will also be available at no charge on Sonim's website at <u>https://ir.sonimtech.com/sec-filings/all-sec-filings</u>.

**Participants in Solicitation**

Sonim and its respective directors, executive officers, and other members of their management and employees, including Peter Liu (Chief Executive Officer and a director), Clay Crolius (Chief Financial Officer), and Sonim's directors – James Cassano, Mike Mulica, Jack Steenstra, and Jeffrey Wang – under SEC rules, may be deemed to be participants in the solicitation of proxies of Sonim's stockholders in connection with the election of directors at Sonim's 2025 Annual Meeting and related proposals to Sonim's stockholders.

Stockholders may obtain more detailed information regarding Sonim's directors and executive officers, including a description of their direct or indirect interests, by security holdings or otherwise, under the captions "*<u>[Directors, Executive Officers, and Corporate Governance](https://www.sec.gov/Archives/edgar/data/1178697/000164117225015578/formdefc14a.htm#a_025)</u>*," "*<u>[Security Ownership of Certain Beneficial Owners and Management](https://www.sec.gov/Archives/edgar/data/1178697/000164117225015578/formdefc14a.htm#a_055)</u>,*" and "*[Certain Relationships and Related Party Transactions](https://www.sec.gov/Archives/edgar/data/1178697/000164117225015578/formdefc14a.htm#a_052)*" of Sonim's definitive proxy statement for the 2025 Annual Meeting filed with the SEC on June 18, 2025.

To the extent holdings of our directors and executive officers reported in the definitive proxy statement change, such changes will be reflected on Statements of Change in Ownership on Forms 3, 4 or 5 filed with the SEC, if and when they become available. These documents will be available free of charge as described above.