Wisekey insider corrects 440-option exercise filing

Wisekey International Holding S.A. insider activity reflects an amended report for Chief Innovation Officer Andreas Feuardent Moreira’s indirect holdings.

Rhea-AI Filing Summary

Wisekey International Holding S.A. insider activity reflects an amended report for Chief Innovation Officer Andreas Feuardent Moreira’s indirect holdings. His wife exercised 440 options under an Employee Stock Option Plan at an exercise price of $3.14 per option, disposing of the derivative securities and leaving no remaining options from this grant. This Form 4/A corrects an earlier filing that had mistakenly described the transaction as an acquisition of derivative securities rather than a disposition upon option exercise.

Insider Trade Summary

440 shares exercised/converted

Exercise 1 txn

Insider Feuardent Moreira Andreas

Role Chief Innovation Officer

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option Plan (right to buy)	440	$0.00	$0.00

Holdings After Transaction: Employee Stock Option Plan (right to buy) — 0 contracts (Indirect, By wife)

Footnotes (1)

1. F1. On June 16, 2026, the reporting person filed a Form 4 that inadvertently reported that, upon the exercise of an option, his wife was acquiring 440 derivative securities. In fact, as reported in this amendment, the reporting person should have reported that his wife was disposing of such securities, given that she was reporting an exercise of the option, not a grant thereof.

Key Figures

Options exercised: 440 options Exercise price: $3.14 per option Derivative position after exercise: 0 options +1 more

4 metrics

Options exercised 440 options Employee Stock Option Plan exercise on June 8, 2026

Exercise price $3.14 per option Conversion price for Class B shares

Derivative position after exercise 0 options Total derivative securities following transaction

Form type Form 4/A Amendment correcting prior insider transaction report

Key Terms

Employee Stock Option Plan, derivative security, Form 4, exercise of an option

4 terms

Employee Stock Option Plan financial

"Employee Stock Option Plan (right to buy)"

derivative security financial

"acquiring 440 derivative securities. In fact, as reported in this amendment"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Form 4 regulatory

"the reporting person filed a Form 4 that inadvertently reported"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

exercise of an option financial

"given that she was reporting an exercise of the option, not a grant thereof"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Wisekey (WKEY) report in this Form 4/A?

Wisekey reported that the wife of Chief Innovation Officer Andreas Feuardent Moreira exercised 440 stock options. The transaction involved an Employee Stock Option Plan, converting the options into Class B shares and eliminating this specific derivative position.

Why did Wisekey (WKEY) file an amended Form 4/A for this transaction?

The company filed an amendment because a prior Form 4 incorrectly showed the insider’s wife acquiring 440 derivative securities. The corrected filing clarifies she was disposing of those options through an exercise, rather than receiving a new grant.

How many Wisekey options were exercised in the corrected WKEY Form 4/A?

The filing shows an exercise of 440 options linked to Class B shares. After this exercise, the derivative position from this specific option grant is reported as zero, meaning no options remain outstanding from that grant.

What was the exercise price of the Wisekey (WKEY) options in this Form 4/A?

The options were exercised at an exercise price of $3.14 per underlying Class B share. This price was set for the Employee Stock Option Plan grant that the insider’s wife exercised and fully disposed of in the reported transaction.

Are the Wisekey (WKEY) shares held directly by the executive in this Form 4/A?

No, the transaction is reported as indirect ownership, described as held "By wife." This means the options and resulting Class B shares are attributed to the spouse, rather than being held directly by the executive himself.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/24/2026 - 04:15 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Feuardent Moreira Andreas

(Last) (First) (Middle)

C/O WISEKEY INTERNATIONAL HOLDING S.A.

AVENUE LOUIS-CASAI 58

(Street)

COINTRIN 1216

(City) (State) (Zip)

SWITZERLAND

(Country)

2. Issuer Name and Ticker or Trading Symbol
Wisekey International Holding S.A. [ WKEY ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
06/16/2026

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option Plan (right to buy)	$3.14	06/08/2026		M			440(1)	09/27/2019	09/26/2026	Class B Shares	440	$0	0	I	By wife

Explanation of Responses:

1. On June 16, 2026, the reporting person filed a Form 4 that inadvertently reported that, upon the exercise of an option, his wife was acquiring 440 derivative securities. In fact, as reported in this amendment, the reporting person should have reported that his wife was disposing of such securities, given that she was reporting an exercise of the option, not a grant thereof.

	/s/ John O'Hara, Attorney-in-Fact	06/24/2026
	** 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 4 (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 4: SEC 1474 (03-26)