[Form 4] Sonim Technologies, Inc. Insider Trading Activity

Rhea-AI Filing Summary

On 30 June 2025, a Form 4 was filed reporting insider activity at Sonim Technologies (SONM). The filing shows that Laurence W. Lytton —identified as a 10 % owner (and indicated as a director) —sold his entire direct position in two open-market transactions coded “S.”

• 26 Jun 2025: 466,402 shares sold at a weighted-average price of $1.50 (price range $1.28-$1.75), leaving 400,514 shares directly held.
• 30 Jun 2025: 400,514 shares sold at a weighted-average price of $1.39 (price range $1.30-$1.47), reducing direct ownership to 0 shares.

In total, 866,916 shares were disposed of during the four-day window.

Lytton continues to have indirect exposure to 800,000 shares held by the Lytton-Kambara Foundation. He disclaims beneficial ownership of those shares except to the extent of his pecuniary interest.

No derivative securities were involved, and no purchases were reported. The complete exit from a direct holding by a 10 % owner is often viewed by investors as a potentially bearish signal, although the remaining foundation stake maintains some alignment of interests.

Positive

• 800,000 shares remain indirectly held through the Lytton-Kambara Foundation, maintaining some long-term alignment with shareholders.

Negative

• 866,916 shares (100 % of direct holdings) were sold, leaving the insider with zero directly owned shares—often viewed as a bearish signal.
• Rapid sequential sales over four days may exert short-term selling pressure on SONM’s share price.

Insights

Securities Analyst

TL;DR: 10 % owner sold 866,916 SONM shares, eliminating direct stake—typically a negative near-term signal.

The back-to-back sales on 26 and 30 June fully unwind Lytton’s direct exposure at prices of $1.50 and $1.39, respectively. While no context is provided on his motives, the magnitude—two sizable blocks in quick succession—can pressure sentiment and liquidity. The continued 800 k-share indirect foundation stake partly offsets perceptions of total disengagement, yet the disclosure still reduces insider alignment in the open market float. With no offsetting purchase activity or derivative conversion, the transaction skews negative for short-term investor psychology.

Corporate Governance Expert

TL;DR: Insider divestiture raises governance questions but indirect foundation holding preserves some influence.

Under Section 16, complete divestiture of a direct position by a control shareholder can signal a strategic shift or personal diversification. The filing’s footnote clarifies that the foundation, not Lytton personally, holds 800,000 shares, and he disclaims full beneficial ownership. This structure may reduce direct accountability while allowing continued voting influence through the nonprofit. From a governance standpoint, investors should watch for future filings to see whether the foundation trims its holdings or if board representation changes.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

LYTTON LAURENCE W

(Last) (First) (Middle)

467 CENTRAL PARK WEST

(Street)

NY NY 10025

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SONIM TECHNOLOGIES INC [ SONM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/26/2025		S		466,402	D	$1.5(1)	400,514	D
Common Stock	06/30/2025		S		400,514	D	$1.39(2)	0	D
Common Stock								800,000	I	See Note(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.28 to $1.75, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and footnote 2.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.30 to $1.47, inclusive.

3. These securities are held by the Lytton-Kambara Foundation (the "Foundation"). Mr. Lytton is the president of the Foundation and may be deemed to beneficially own the securities held by the Foundation. Mr. Lytton disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. Mr. Lytton is filing this Form 4 for himself and for the Foundation.

	/s/ Laurence W. Lytton	06/30/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many Sonim Technologies (SONM) shares did Laurence Lytton sell?

866,916 shares were sold across two transactions on 26 Jun 2025 and 30 Jun 2025.

What prices were the SONM shares sold for?

Weighted-average prices were $1.50 on 26 Jun and $1.39 on 30 Jun, with intraday ranges of $1.28-$1.75 and $1.30-$1.47, respectively.

Does the insider still own any SONM shares after the sale?

Direct ownership is 0 shares; however, 800,000 shares are held indirectly via the Lytton-Kambara Foundation.

What does the transaction code 'S' mean in a Form 4?

Code "S" designates an open-market sale of the issuer’s equity securities.

Why is insider selling significant to investors?

Large disposals by a 10 % owner can signal changes in insider confidence and may influence market perception of the stock.

Were any derivative securities involved in this filing?

No, the Form 4 lists no derivative acquisitions or dispositions.