Sono Group holder sells 11,410 shares, drops below 10%

A former more-than-10% holder of Sono Group N.V. sold shares and reports it now owns under the 10% Section 16 threshold.

Rhea-AI Filing Summary

Sono Group N.V. (SSM) reported that Bambino 255 V V UG haftungsbeschrankt sold a total of 11,410 shares of Common Stock on September 1, 2026, in open-market or private transactions at prices ranging from $3.67 to $3.75 per share. The reporting person states that, after these sales, it is no longer a beneficial owner of more than 10% of the outstanding Common Stock and is therefore no longer subject to Section 16 solely due to that ownership. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Net Seller: 11,410 shares

Net Sell 7 txns

Insider Bambino 255 V V UG haftungsbeschrankt

Role 10% Owner

Sold 11,410 shs ($42K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,568	$3.67	$13K
Sale	Common Stock	100	$3.6764	$367.64
Sale	Common Stock	400	$3.6765	$1K
Sale	Common Stock	1,200	$3.679	$4K
Sale	Common Stock	100	$3.68	$368.00
Sale	Common Stock	42	$3.69	$154.98
Sale	Common Stock	6,000	$3.75	$23K

Holdings After Transaction: Common Stock — 141,916 shares (Direct)

Key Figures

Total shares sold: 11,410 shares Largest single trade size: 6,000 shares Lowest sale price: $3.67 per share +3 more

6 metrics

Total shares sold 11,410 shares Aggregate Common Stock sales on September 1, 2026

Largest single trade size 6,000 shares Single sale of Common Stock on September 1, 2026

Lowest sale price $3.67 per share Common Stock sale price on September 1, 2026

Highest sale price $3.75 per share Common Stock sale price on September 1, 2026

Beneficial ownership threshold referenced 10% Reporting person states it is no longer over this level after the sales

Number of sale transactions 7 transactions Non-derivative Common Stock sales on September 1, 2026

Key Terms

beneficial owner, Section 16, ten percent owner, Common Stock

4 terms

beneficial owner regulatory

"no longer the beneficial owner of more than 10% of the Issuer's"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

Section 16 regulatory

"therefore is no longer subject to Section 16 solely on account"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

ten percent owner regulatory

"Reporting Person is no longer the beneficial owner of more than 10%"

Common Stock financial

"Issuer's outstanding Common Stock and therefore is no longer subject"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did SSM disclose in this Form 4?

The filing reports that Bambino 255 V V UG haftungsbeschrankt sold 11,410 shares of Sono Group N.V. Common Stock on September 1, 2026 in a series of open-market or private transactions at prices between $3.67 and $3.75 per share.

At what prices were Sono Group N.V. (SSM) shares sold in this Form 4?

Shares were sold at per-share prices of $3.67, $3.6764, $3.6765, $3.6790, $3.6800 and $3.6900, including a 6,000-share sale at $3.75 per share, all on September 1, 2026.

How many SSM shares did the reporting person sell on September 1, 2026?

Bambino 255 V V UG haftungsbeschrankt sold an aggregate of 11,410 shares of Sono Group N.V. Common Stock on September 1, 2026, across seven reported transactions.

Is the SSM reporting person still a more-than-10% beneficial owner after these transactions?

The reporting person states that, following these transactions, it is no longer the beneficial owner of more than 10% of Sono Group N.V.’s outstanding Common Stock and therefore is no longer subject to Section 16 solely on that basis.

Were the SSM insider sales made under a Rule 10b5-1 trading plan?

The filing indicates that the Rule 10b5-1 checkbox is not marked, so these Sono Group N.V. transactions are not reported as being made under a Rule 10b5-1 trading plan.

What type of security was involved in the SSM Form 4 transactions?

All reported transactions involve Common Stock of Sono Group N.V., sold directly by Bambino 255 V V UG haftungsbeschrankt in open-market or private transactions on September 1, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/03/2026 - 09:58 AM EDT Accepted by SEC EDGAR 09/03/2026 - 09:57 AM EDT Learn about SEC filing dates

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

X

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^*

Bambino 255 V V UG haftungsbeschrankt

(Last) (First) (Middle)

C/O DENTONS GMBH, MARKGRAFENSTRASSE 33

(Street)

BERLIN BERLIN 10117

(City) (State) (Zip)

GERMANY

(Country)

2. Issuer Name and Ticker or Trading Symbol
Sono Group N.V. [ SSM ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

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

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

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

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	09/01/2026		S		3,568	D	$3.67	149,758	D
Common Stock	09/01/2026		S		100	D	$3.6764	149,658	D
Common Stock	09/01/2026		S		400	D	$3.6765	149,258	D
Common Stock	09/01/2026		S		1,200	D	$3.679	148,058	D
Common Stock	09/01/2026		S		100	D	$3.68	147,958	D
Common Stock	09/01/2026		S		42	D	$3.69	147,916	D
Common Stock	09/01/2026		S		6,000	D	$3.75	141,916	D

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:

Remarks:

Following the transactions reported herein, the Reporting Person is no longer the beneficial owner of more than 10% of the Issuer's outstanding Common Stock and therefore is no longer subject to Section 16 solely on account of its beneficial ownership

	/s/ Holger Ellers	09/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)