[DEFA14A] Sonim Technologies, Inc. Additional Proxy Soliciting Materials

Rhea-AI Filing Summary

Sonim Technologies (ticker: SONM) has filed a DEFA14A to supplement its proxy materials for the upcoming July 18, 2025 Annual Meeting of Stockholders. The Board is engaged in an ongoing review of strategic alternatives and highlights an effort by Orbic North America, LLC to gain control of the company. In response, Sonim’s directors unanimously recommend that shareholders vote FOR all board-nominated directors by submitting the WHITE proxy card as soon as possible. The filing details where investors can obtain the definitive proxy statement, identifies directors and officers who may be deemed solicitation participants, and provides proxy-solicitor contact information—toll-free (800) 662-5200 or SONM@investor.sodali.com—for voting assistance.

Positive

• None.

Negative

• Proxy contest risk: Orbic North America, LLC’s effort to take control introduces governance uncertainty and potential distraction for management.

Insights

Corporate Governance Expert

TL;DR: Contested proxy signals governance tension; board seeks support via WHITE card, impact moderate until outcome known.

The DEFA14A centers on a looming proxy contest: Orbic North America, LLC is attempting to seize control, prompting Sonim’s board to rally shareholder support. Such conflicts often elevate execution risk, distract management, and can pressure share price if investors price in uncertainty about future strategy. However, no change in capital structure or operations is yet announced. The board’s quick disclosure and solicitation comply with SEC rules, potentially limiting regulatory or legal exposure. Until voting results are known, I view the filing as neutral-to-slightly negative for governance stability but not immediately material to valuation.

Financial Analyst

TL;DR: Filing affects control risk, not fundamentals; limited immediate financial impact.

From a financial standpoint, the document contains no earnings, cash-flow, or balance-sheet data. The strategic-alternatives review could surface value, yet the proxy fight introduces uncertainty that may defer operational initiatives and heighten expenses (e.g., solicitation costs). Shareholders should monitor: 1) potential dilution if Orbic proposes new financing; 2) incremental SG&A tied to the contest; 3) any timetable slippage in strategic review. Absent those quantifiable facts, I classify the impact as neutral for now, pending further disclosures.

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 here.

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

The Sonim Board strongly recommends all stockholders to vote FOR each of the Company’s highly qualified director nominees using the WHITE 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
E-mail: SONM@investor.sodali.com

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 www.sec.gov. Copies will also be available at no charge on Sonim’s website at https://ir.sonimtech.com/sec-filings/all-sec-filings.

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 “Directors, Executive Officers, and Corporate Governance,” “Security Ownership of Certain Beneficial Owners and Management,” and “Certain Relationships and Related Party Transactions” 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.

FAQ

When will Sonim Technologies' (SONM) 2025 Annual Meeting take place?

July 18, 2025 as stated in the DEFA14A filing.

What is the Sonim Board's voting recommendation?

The Board urges shareholders to vote FOR all director nominees using the WHITE proxy card.

Who is attempting to gain control of Sonim Technologies?

The filing names Orbic North America, LLC as pursuing control of the company.

Where can investors access Sonim's definitive proxy statement?

Free copies are available on www.sec.gov and Sonim’s IR site (https://ir.sonimtech.com/sec-filings/all-sec-filings).

How can shareholders get assistance with voting their SONM shares?

Contact the proxy solicitor at (800) 662-5200 or email SONM@investor.sodali.com.