Bambino 255 reports 177,417 shares in Sono Group (SSM) on Schedule 13G

Rhea-AI Filing Summary

Sono Group N.V. ownership disclosure: Bambino 255. V V UG (haftungsbeschr2nkt) reports beneficial ownership of 177,417 ordinary shares, representing 12.45% of the ordinary share class. The filing states 1,424,834 shares outstanding as of March 31, 2026 and notes the reporting person holds 6.95% of combined voting power when other share classes are included. The report was signed by Holger Ellers, Managing Director on 07/08/2026 and converts a prior Schedule 13D position to a Schedule 13G filing.

Insights

Corporate Governance Analyst

Major passive stake reported; voting power differs from economic ownership.

Bambino 255. V V UG reports 177,417 shares (12.45% of ordinary shares), a sizeable equity stake disclosed on Schedule 13G. The filing explicitly states the position was previously reported on Schedule 13D and is now reported on Schedule 13G, indicating the filer considers the stake passive.

The filing also cites 6.95% combined voting power when High Voting Shares and Preferred Shares are included, which highlights a governance dilution relative to ordinary-share percentage. Subsequent filings may clarify whether the reporting status remains Schedule 13G.

Investor Relations Specialist

Disclosure clarifies ownership scale and filing status change from 13D to 13G.

The report ties the 12.45% ordinary-share stake to an outstanding base of 1,424,834 shares as of March 31, 2026, providing the precise denominator for the percentage. It also confirms sole voting and dispositive power over those shares.

For stakeholders, the key items to watch are any future amendments or conversions back to a Schedule 13D if the holder changes intent or activity; the filing text preserves the passive-stake certification language.

Key Figures

Beneficially owned shares: 177,417 shares Percent of class: 12.45% Shares outstanding: 1,424,834 shares +2 more

5 metrics

Beneficially owned shares 177,417 shares Amount beneficially owned reported by Bambino 255

Percent of class 12.45% Percentage of ordinary shares based on outstanding share count

Shares outstanding 1,424,834 shares Ordinary shares outstanding as of March 31, 2026

Combined voting power 6.95% Percentage of combined voting power including other share classes

Filing signature date 07/08/2026 Date the Schedule 13G was signed by the reporting person's director

Key Terms

Schedule 13G, beneficial ownership, combined voting power, sole dispositive power, +1 more

5 terms

Schedule 13G regulatory

"The Reporting Person has determined that it is now eligible to report its beneficial ownership on pursuant to ."

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficial ownership financial

"Amount beneficially owned: 177,417 (b) Percent of class: 12.45%"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

combined voting power governance

"The Reporting Person holds 6.95% of the Issuer's combined voting power"

sole dispositive power legal

"Sole power to dispose or to direct the disposition of: 177,417"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

CUSIP market

"CUSIP Number(s): N81409125"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

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Available on EDGAR 07/08/2026 - 05:27 PM Accepted by SEC EDGAR 07/08/2026 - 05:27 PM Learn about SEC filing dates

FAQ

What stake does Bambino 255 hold in Sono Group (SSM)?

Bambino 255 beneficially owns 177,417 ordinary shares, equal to 12.45% of the ordinary share class based on 1,424,834 shares outstanding as of March 31, 2026.

Does Bambino 255 control voting of those shares?

The filing states the reporting person has sole power to vote and dispose of 177,417 shares. It also reports 6.95% combined voting power when other share classes are included.

Why was this filed as a Schedule 13G instead of Schedule 13D?

The report explains the filer previously filed a Schedule 13D and has determined it is now eligible to report on Schedule 13G, filing this form in lieu of the prior Schedule 13D going forward.

What is the share count used to calculate the 12.45% figure?

The percentage is based on 1,424,834 ordinary shares outstanding as of March 31, 2026, as stated in the filing's certification footnote.

Who signed the Schedule 13G for Bambino 255?

The filing is signed by Holger Ellers, Managing Director, with signature date recorded as 07/08/2026.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Sono Group N.V.

(Name of Issuer)

Ordinary shares, par value of (euro)0.01 per share

(Title of Class of Securities)

N81409125

(CUSIP Number)

05/04/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): N81409125

1

Names of Reporting Persons

Bambino 255. V V UG (haftungsbeschrankt)

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

GERMANY

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 177,417.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 177,417.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

177,417.00

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)

12.45 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The Reporting Person previously reported its beneficial ownership of the Issuer's common stock on Schedule 13D. The Reporting Person has determined that it is now eligible to report its beneficial ownership on Schedule 13G pursuant to Rule 13d-1(c) under the Securities Exchange Act of 1934. Accordingly, this Schedule 13G is being filed in lieu of Schedule 13D, and future reports with respect to the Reporting Person's beneficial ownership will be filed on Schedule 13G for so long as the Reporting Person remains eligible to do so.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Sono Group N.V.
(b)	Address of issuer's principal executive offices: Waldmeisterstrasse 93, 80935 Munich, Germany
Item 2.
(a)	Name of person filing: Bambino 255. V V UG (haftungsbeschrankt)
(b)	Address or principal business office or, if none, residence: c/o Dentons GmbH Wirtschaftsprufungsgesellschaft Steuerberatungsgesellschaft, Markgrafenstrasse 33, 10117 Berlin, Germany
(c)	Citizenship: Germany
(d)	Title of class of securities: Ordinary shares, par value of (euro)0.01 per share
(e)	CUSIP Number(s): N81409125
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: 177,417
(b)	Percent of class: 12.45%(1)
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 177,417
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 177,417
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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:

(1) The percentage of class of securities beneficially owned by the Reporting Person is based on 1,424,834 shares of the Issuer's ordinary shares, each with a par value of (euro)0.01, outstanding as of March 31, 2026. The Reporting Person holds 6.95% of the Issuer's combined voting power, taking into account the ordinary shares, High Voting Shares and Preferred Shares, all as disclosed on Form 10-Q filed by the Issuer with the U.S. Securities and Exchange Commission on May 19, 2026. 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.

Bambino 255. V V UG (haftungsbeschrankt)

Signature:	/s/ Holger Ellers
Name/Title:	Holger Ellers/Managing Director
Date:	07/08/2026