Wisekey (WKEY) COO SEALSQ USA files Form 3 insider ownership

Rhea-AI Filing Summary

Wisekey International Holding S.A. officer Loic Jean-Claude Hamon, who serves as COO SEALSQ USA, has filed a Form 3, which is an initial statement of beneficial ownership for company insiders. The filing reports no stock transactions or derivative positions for Hamon at this time.

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^*

Hamon Loic Jean-Claude

(Last) (First) (Middle)

C/O WISEKEY INTERNATIONAL HOLDING S.A.

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
Wisekey International Holding S.A. [ WKEY ]

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)
	COO SEALSQ USA

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)

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

Explanation of Responses:

No securities are beneficially owned.

	/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 the Wisekey (WKEY) Form 3 filing by Loic Jean-Claude Hamon show?

The Form 3 shows that Loic Jean-Claude Hamon, COO SEALSQ USA, has filed his initial insider ownership report for Wisekey. It reports no stock transactions, derivative positions, or holding entries as part of this filing.

Who is the insider named in the Wisekey (WKEY) Form 3 filing?

The insider is Loic Jean-Claude Hamon, who is reported as an officer of Wisekey International Holding S.A. with the title COO SEALSQ USA. The filing records his status but does not list any share transactions.

Does the Wisekey (WKEY) Form 3 for Loic Hamon report any share purchases or sales?

No, the Form 3 reports no share purchases or sales for Loic Hamon. The transaction summary shows zero buy, sell, acquire, dispose, or other transactions, and net buy-sell direction is indicated as neutral.

Are there any derivative securities disclosed in the Wisekey (WKEY) Form 3 for Loic Hamon?

No derivative securities are disclosed for Loic Hamon in this Form 3. The derivative summary is empty, and the transaction summary shows zero derivative transactions and zero shares related to exercises or similar actions.

What is the significance of a Form 3 for Wisekey (WKEY) insiders like Loic Hamon?

Form 3 is the initial statement of beneficial ownership that company insiders must file when they become subject to reporting. For Loic Hamon, it establishes his reporting status at Wisekey but does not yet show any holdings or trades.