Form SCHEDULE 13G Wallbox N.V. Filed by: FOCUS ON NEXT FRONTIER, S.L.U.

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

FOCUS ON NEXT FRONTIER, S.L.U.

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

SPAIN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 2,531,250.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,531,250.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,531,250.00

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)

10.5 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

Wallbox N.V.

(b)

Address of issuer's principal executive offices:

Carrer del Foc 68, Barcelona Spain 08038

Item 2.

(a)

Name of person filing:

FOCUS ON NEXT FRONTIER, S.L.U. (the "Reporting Person").

(b)

Address or principal business office or, if none, residence:

Joan de la Cierva, 2 - P.I. La Torre, 08760-Martorell, Barcelona, Spain.

(c)

Citizenship:

Spain

(d)

Title of class of securities:

Class A ordinary shares, nominal value Euro 2.40 per share

(e)

CUSIP No.:

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 Items 4(a)-(c) is set forth in Rows 5-11 of the cover page for the Reporting Person and is incorporated herein by reference. The percentage set forth in row 11 of the cover page is based on 16,778,631 Class A ordinary shares outstanding as of December 31, 2025, as reported by the Issuer in its Form 20-F, filed with the Securities and Exchange Commission (the "SEC") on April 9, 2026, plus 6,603,523 Class A ordinary shares issued on June 30, 2025 and July 1, 2026, as reported by the Issuer in its Form 6-K, filed with the SEC on July 2, 2026, plus 843,750 Class A ordinary shares issuable upon exercise of outstanding warrants beneficially owned by the Reporting Person.

(b)

Percent of class:

See above %

(c)

Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote:

See above

(ii) Shared power to vote or to direct the vote:

See above

(iii) Sole power to dispose or to direct the disposition of:

See above

(iv) Shared power to dispose or to direct the disposition of:

See above

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.

FOCUS ON NEXT FRONTIER, S.L.U.

Signature:	/s/ Rafael Ruiz
Name/Title:	Rafael Ruiz
Date:	07/13/2026

Form SCHEDULE 13G Wallbox N.V. Filed by: FOCUS ON NEXT FRONTIER, S.L.U.

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