Wallbox (NYSE: WBX) tech chief discloses initial share, RSU and option stake

Rhea-AI Filing Summary

Wallbox N.V. executive Mane Eduard Castaneda filed an initial ownership report showing his equity position in the company. He directly holds 181,592 Class B Ordinary Shares, which are convertible into Class A Ordinary Shares and additional Conversion Shares, plus 85,296 Class A Ordinary Shares. His holdings also include 62,053 restricted stock units, with 2,053 already vested and the remaining 60,000 vesting in stages through March 1, 2028, subject to continued service. In addition, he holds a fully vested option to purchase 11,918 Class B Ordinary Shares at an exercise price of 38.60 euros per share, expiring on April 22, 2027.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Mane Eduard Castaneda

(Last) (First) (Middle)

C/O WALLBOX N.V.

CARRER DEL FOC, 68

(Street)

BARCELONA 08038

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Wallbox N.V. [ WBX ]

3a. Foreign Trading Symbol

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Product & Tech Officer

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Ordinary Shares	85,296(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Ordinary Shares	(2)	(2)	Class A Ordinary Shares	181,592	(2)	D
Option (Right to Buy)	(3)	04/22/2027	Class B Ordinary Shares(2)	11,918	$44.31(4)	D

Explanation of Responses:

1. Includes 62,053 restricted stock units ("RSUs"), 2,053 of which have vested. The remaining 60,000 RSUs will vest as follows: (i) 19,800 RSUs vesting on May 1, 2026; (ii) 19,800 RSUs vesting on March 1, 2027; and (iii) 20,400 RSUs vesting on March 1, 2028, subject to the reporting person's continued service to the Issuer through each applicable vesting date.

2. Each Class B Share is convertible at any time at the option of the holder into one Class A Ordinary Share and one Conversion Share. Conversion Shares are not convertible into any other class of share.

3. This option represents the right to purchase 11,918 of the Issuer's Class B Ordinary Shares and is fully vested.

4. The exercise price of this option is 38.60 euros. The amount shown above is based on the foreign exchange rate as of the date of this filing.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Eduard Castaneda Mane	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the Wallbox (WBX) Form 3 filing by Mane Eduard Castaneda show?

The Form 3 shows Mane Eduard Castaneda’s initial ownership in Wallbox. He holds Class A and Class B Ordinary Shares, restricted stock units, and a fully vested stock option, outlining his total equity-based stake as Chief Product & Tech Officer.

How many Class B Ordinary Shares does Mane Eduard Castaneda hold in Wallbox (WBX)?

He holds 181,592 Class B Ordinary Shares. Each Class B Share is convertible at any time into one Class A Ordinary Share and one Conversion Share, giving him significant potential voting and economic exposure to Wallbox’s equity structure.

What restricted stock units (RSUs) are reported for Mane Eduard Castaneda at Wallbox (WBX)?

He has 62,053 RSUs, with 2,053 already vested. The remaining 60,000 vest in tranches on May 1, 2026, March 1, 2027, and March 1, 2028, contingent on his continued service with Wallbox through each vesting date.

What stock options does Mane Eduard Castaneda hold in Wallbox (WBX)?

He holds a fully vested option to buy 11,918 Class B Ordinary Shares. The option has an exercise price of 38.60 euros per share and expires on April 22, 2027, providing additional potential upside if he chooses to exercise.

What is the significance of Wallbox (WBX) Class B Shares being convertible?

Each Class B Share can be converted into one Class A Ordinary Share and one Conversion Share. This structure gives the holder flexibility to change the type of equity held while maintaining economic exposure, potentially affecting voting power and share class mix over time.