[SCHEDULE 13G] Sonim Technologies, Inc. SEC Filing

Rhea-AI Filing Summary

Schedule 13G filing – Sonim Technologies, Inc. (NASDAQ: SONM)

CVI Investments, Inc., a Cayman Islands entity, and its investment manager, Heights Capital Management, Inc. (Delaware), have jointly filed a Schedule 13G disclosing passive beneficial ownership of Sonim Technologies’ common stock.

• Beneficial holding: 1,000,000 shares.
• Ownership percentage: 7.3 % of the 13,733,657 shares outstanding (per Sonim’s July 1 2025 prospectus).
• Voting & disposition rights: 0 shares held with sole power; all 1,000,000 shares are subject to shared voting and dispositive power between the two reporting persons.
• Filing trigger date: July 1 2025; Schedule filed under Rule 13d-1(c) (passive investor, not seeking control).
• Organisational relationships: Heights Capital Management acts as investment manager to CVI Investments and may exercise voting/dispositive authority, but both parties expressly disclaim beneficial ownership beyond their pecuniary interest.

The disclosure positions CVI/Heights as a significant, but non-controlling, institutional shareholder in Sonim Technologies. While no purchase price or intent statement is provided, the 7.3 % stake signals heightened institutional attention to SONM’s equity and may influence future shareholder dynamics, proxy matters, or capital-raising activities. No other material transactions or financial metrics are included in the filing.

Positive

• Institutional stake: CVI Investments and Heights Capital Management disclose ownership of 7.3 % (1,000,000 shares), signalling outside confidence in SONM.

Negative

• Passive filing: Schedule 13G indicates no commitment to strategic involvement, limiting potential operational benefits to the issuer.

Insights

Securities Analyst

TL;DR: New 7.3 % passive stake by CVI/Heights adds institutional support; modestly positive signal, limited immediate operational impact.

CVI Investments and Heights Capital Management now collectively own 1 million SONM shares, amounting to 7.3 % of the float. Although filed on Schedule 13G (indicating no activist intentions), such a threshold ownership can improve secondary-market liquidity and may slightly bolster valuation by demonstrating outside confidence. The absence of sole voting power underscores a passive posture, but shared voting/disposition rights mean the pair could still influence key shareholder resolutions if aligned with other holders. From a portfolio standpoint, the position size is large relative to Sonim’s small float, potentially concentrating ownership and affecting future capital raises or buybacks. Overall impact is positive but not transformational.

Corporate Governance Expert

TL;DR: Stake is sizeable but passive; governance influence remains limited unless future filings upgrade to 13D.

This disclosure does not signal an attempt to obtain control; Rule 13d-1(c) filers certify no intent to influence management. Nonetheless, a single group controlling over 7 % can sway proposals requiring simple majority, especially in firms with dispersed retail ownership like Sonim. Management should track any future accumulation or switch to Schedule 13D, which would indicate activism. For now, no board or by-law implications arise, and the filing is primarily a compliance event.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Sonim Technologies, Inc.

(Name of Issuer)

Common Stock, $0.001 par value per share

(Title of Class of Securities)

83548F309

(CUSIP Number)

07/01/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 83548F309

1

Names of Reporting Persons

CVI Investments, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,000,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,000,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,000,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

7.3 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: With respect to Row 6 and Row 8 above, Heights Capital Management, Inc. is the investment manager to CVI Investments, Inc. and as such may exercise voting and dispositive power over the shares reported as beneficially owned by CVI Investments, Inc. herein.

SCHEDULE 13G

CUSIP No. 83548F309

1

Names of Reporting Persons

Heights Capital Management, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,000,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,000,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,000,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

7.3 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: With respect to Row 6 and Row 8 above, Heights Capital Management, Inc. is the investment manager to CVI Investments, Inc. and as such may exercise voting and dispositive power over the shares reported as beneficially owned by CVI Investments, Inc. herein.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Sonim Technologies, Inc.
(b)	Address of issuer's principal executive offices: 4445 Eastgate Mall, Suite 200, San Diego, CA 92121
Item 2.
(a)	Name of person filing: This statement is filed by the entities listed below, who are collectively referred to herein as "Reporting Persons," with respect to the shares of common stock of Sonim Technologies, Inc. (the "Company"), $0.001 par value per share (the "Shares"). (i) CVI Investments, Inc. (ii) Heights Capital Management, Inc.
(b)	Address or principal business office or, if none, residence: The address of the principal business office of CVI Investments, Inc. is: P.O. Box 309GT Ugland House South Church Street George Town Grand Cayman KY1-1104 Cayman Islands The address of the principal business office of Heights Capital Management, Inc. is: 101 California Street, Suite 3250 San Francisco, California 94111
(c)	Citizenship: Citizenship is set forth in Row 4 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
(d)	Title of class of securities: Common Stock, $0.001 par value per share
(e)	CUSIP No.: 83548F309
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: The information required by this Item 4(a) is set forth in Row 9 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The Company's Prospectus (Registration No. 333-288221), filed on July 1, 2025, indicates there were 13,733,657 Shares outstanding as of the completion of the offering of the Shares referred to therein.
(b)	Percent of class: 7.3 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by this Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
	(ii) Shared power to vote or to direct the vote: The information required by this Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. Heights Capital Management, Inc., which serves as the investment manager to CVI Investments, Inc., may be deemed to be the beneficial owner of all Shares owned by CVI Investments, Inc. Each of the Reporting Persons hereby disclaims any beneficial ownership of any such Shares, except for their pecuniary interest therein.
	(iii) Sole power to dispose or to direct the disposition of: The information required by this Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person.
	(iv) Shared power to dispose or to direct the disposition of: The information required by this Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. Heights Capital Management, Inc., which serves as the investment manager to CVI Investments, Inc., may be deemed to be the beneficial owner of all Shares owned by CVI Investments, Inc. Each of the Reporting Persons hereby disclaims any beneficial ownership of any such Shares, except for their pecuniary interest therein.
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

CVI Investments, Inc.

Signature:	/s/ Sarah Travis
Name/Title:	Sarah Travis, Assistant General Counsel and Assistant Secretary of Heights Capital Management, Inc.
Date:	07/03/2025

Heights Capital Management, Inc.

Signature:	/s/ Sarah Travis
Name/Title:	Sarah Travis, Assistant General Counsel and Assistant Secretary
Date:	07/03/2025

Comments accompanying signature: Heights Capital Management, Inc. serves as authorized agent of CVI Investments, Inc. pursuant to a Limited Power of Attorney, a copy of which is attached as Exhibit I hereto.

Exhibit Information

EXHIBIT INDEX EXHIBIT DESCRIPTION ________ ________ I Limited Power of Attorney II Joint Filing Agreement

FAQ

How many Sonim Technologies (SONM) shares does CVI Investments own?

The filing lists 1,000,000 common shares beneficially owned, all with shared voting and dispositive power.

What percentage of Sonim Technologies’ outstanding shares is represented by the 1,000,000-share position?

It equals 7.3 % of the 13,733,657 shares outstanding as of July 1 2025.

Is CVI Investments seeking control of Sonim Technologies?

No. The position is reported on Schedule 13G under Rule 13d-1(c), indicating a passive investment with no control intent.

Who manages CVI Investments’ position in Sonim?

Heights Capital Management, Inc. acts as investment manager and shares voting/disposal authority over the shares.

When did the ownership threshold triggering this filing occur?

The date of event requiring the filing is July 1 2025.