Company: SONM
Filing Date: 2025-07-09
Form Type: S-3
Source: 0001641172-25-018394
Chunk: 20

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-07-09
Form: S-3
Chunk 20
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 In addition, all reports and other documents filed by us pursuant to the Exchange Act after the date of the initial registration statement and prior to effectiveness of the registration statement shall be deemed to be incorporated by reference into this prospectus. All such documents are deemed to be part of this prospectus from the date of the filing of such reports and documents.

Notwithstanding the foregoing, we are not incorporating any document or information deemed to have been furnished and not filed in accordance with SEC rules. No additional information is deemed to be part of or incorporated by reference into this prospectus.

You may obtain any of the documents incorporated by reference in this prospectus from the SEC through the SEC’s website at the address provided above. You may also request and we will provide, free of charge, a copy of any document incorporated by reference in this prospectus (excluding exhibits to such document unless an exhibit is specifically incorporated by reference in the document) by visiting our internet website at https://ir.sonimtech.com or by writing or calling us at the following address and telephone number:

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

4445 Eastgate Mall, Suite 200

San Diego, CA 92121

Telephone: (650) 378-8100

Attn.: Chief Financial Officer</div>

You should rely only on the information contained in, or incorporated by reference into, this prospectus, in any accompanying prospectus supplement, or in any free writing prospectus filed by us with the SEC. We have not authorized anyone to provide you with different or additional information. We are not offering to sell or soliciting any offer to buy any securities in any jurisdiction where the offer or sale is not permitted. You should not assume that the information in this prospectus or in any document incorporated by reference is accurate as of any date other than the date on the front cover of the applicable document.

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<div align='center'>1,650,000Shares of Common Stock

PROSPECTUS

, 2025</div>

<div align='center'>PART II

INFORMATION NOT REQUIRED IN PROSPECTUS</div>

Item 14. Other Expenses of Issuance and Distribution.

The following table sets forth all expenses that we may incur in connection with the securities being registered hereby. All amounts shown are estimates except for the SEC registration fee.

We will bear all costs, expenses, and fees in connection with the registration of the securities. The Selling Stockholders, however, will bear all brokers and underwriting commissions and discounts