SEALSQ Corp (NASDAQ: LAES) innovation chief reports initial share and option stakes

Rhea-AI Filing Summary

SEALSQ Corp executive Andreas Feuardent Moreira, Chief Innovation Officer, filed an initial statement of beneficial ownership. He reports direct ownership of 17,466 Ordinary Shares and an indirect interest, through his wife, in stock options under an Employee Stock Option Plan for 10,000 Ordinary Shares at an exercise price of $0.0100 per share, expiring on June 4, 2032.

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^*

Feuardent Moreira Andreas

(Last) (First) (Middle)

C/O SEALSQ CORP

AVENUE LOUIS-CASAI 58

(Street)

COINTRIN 1216

(City) (State) (Zip)

SWITZERLAND

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
SEALSQ Corp [ LAES ]

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 Innovation 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)
Ordinary Shares	17,466	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
Employee Stock Option Plan (right to buy)	06/18/2025	06/04/2032	Ordinary Shares	10,000	$0.01	I	By wife

Explanation of Responses:

	/s/ John O'Hara, Attorney-in-Fact	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 SEALSQ Corp (LAES) disclose in this Form 3 filing?

The Form 3 discloses Chief Innovation Officer Andreas Feuardent Moreira’s initial beneficial ownership in SEALSQ Corp, including directly held Ordinary Shares and stock options held indirectly through his wife under an Employee Stock Option Plan.

How many SEALSQ Corp (LAES) shares does Andreas Feuardent Moreira hold?

Andreas Feuardent Moreira reports direct ownership of 17,466 Ordinary Shares of SEALSQ Corp. This figure represents his direct equity stake as of the Form 3 filing date, separate from any derivative or indirect positions reported in the same statement.

What stock options related to SEALSQ Corp (LAES) are reported on this Form 3?

The filing reports an Employee Stock Option Plan position covering 10,000 Ordinary Shares, held indirectly through his wife. These options have an exercise price of $0.0100 per share and an expiration date of June 4, 2032, indicating a long-dated derivative holding.

Is the SEALSQ Corp (LAES) Form 3 a purchase or sale by the insider?

The Form 3 is an initial ownership report, not a record of a new purchase or sale. It summarizes existing direct and indirect holdings, including Ordinary Shares and options, without indicating open‑market buying or selling activity in this specific disclosure.

How are indirect holdings reported for SEALSQ Corp (LAES) in this Form 3?

Indirect holdings are reported as options held "By wife" under an Employee Stock Option Plan. This indicates the economic interest is associated with his spouse, while still being reportable as part of Andreas Feuardent Moreira’s overall beneficial ownership in SEALSQ Corp.