[Form 3] SEALSQ Corp Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

SEALSQ Corp director Peter Ward filed an initial ownership report showing option and share stakes in the company. He holds employee stock options to buy 13,649 and 353,097 Ordinary Shares at an exercise price of $0.0100 per share, expiring in 2031 and 2032.

He also directly holds 26 Class F Shares and 315 Ordinary Shares as of the reporting date.

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^*

Ward Peter

(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)

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

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 F Shares	26	D
Ordinary Shares	315	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)	10/28/2024	10/24/2031	Ordinary Shares	13,649	$0.01	D
Employee Stock Option Plan (right to buy)	05/01/2025	04/30/2032	Ordinary Shares	353,097	$0.01	D

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 did SEALSQ Corp (LAES) director Peter Ward report on his Form 3?

Peter Ward reported his initial ownership in SEALSQ Corp. The filing lists employee stock options over 13,649 and 353,097 Ordinary Shares at $0.0100 exercise price, plus 26 Class F Shares and 315 Ordinary Shares held directly as of the reporting date.

How many SEALSQ Corp (LAES) options does Peter Ward hold?

Peter Ward holds two blocks of SEALSQ stock options. They relate to 13,649 and 353,097 underlying Ordinary Shares, both with an exercise price of $0.0100 per share and expirations in 2031 and 2032, respectively, under an employee stock option plan.

What SEALSQ Corp (LAES) share classes does Peter Ward own directly?

Peter Ward directly owns both Ordinary and Class F Shares. The Form 3 shows 315 Ordinary Shares and 26 Class F Shares held directly. These positions are separate from his employee stock options over additional Ordinary Shares.

Are Peter Ward’s SEALSQ Corp (LAES) holdings on Form 3 purchases or just disclosures?

The Form 3 primarily discloses existing holdings, not new purchases. All entries are recorded as holdings, with no buy or sell transaction codes, reflecting Ward’s option grants and share positions as of the Form 3 reporting date.

What are the key terms of Peter Ward’s SEALSQ (LAES) stock options?

Ward’s options have a low exercise price and long maturities. Both employee stock option positions carry a $0.0100 exercise price, with expiration dates in October 2031 and April 2032, tied to 13,649 and 353,097 underlying Ordinary Shares.