SEALSQ names marketing chief as reporting insider

SEALSQ Corp (LAES) had its Chief Marketing Officer, Hirsch Alexander Sebastian, file an initial Form 3 as a reporting person.

Rhea-AI Filing Summary

SEALSQ Corp (LAES) had its Chief Marketing Officer, Hirsch Alexander Sebastian, file an initial Form 3 as a reporting person. The filing lists his officer role but does not report any equity transactions or derivative positions, and no holdings are detailed in this statement.

Key Terms

Form 3, reporting person, Rule 10b5-1

3 terms

Form 3 regulatory

"file an initial Form 3 as a reporting person"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reporting person regulatory

"The reporting insider is Hirsch Alexander Sebastian, who is identified as"

Rule 10b5-1 regulatory

"The document-level Rule 10b5-1 checkbox information is null"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

Who is the reporting insider in SEALSQ Corp (LAES)'s latest Form 3?

The reporting insider is Hirsch Alexander Sebastian, who is identified as the Chief Marketing Officer of SEALSQ Corp in this Form 3 filing.

What is Hirsch Alexander Sebastian’s role at SEALSQ Corp (LAES)?

Hirsch Alexander Sebastian is listed as an officer of SEALSQ Corp with the title Chief Marketing Officer in the Form 3.

Does this SEALSQ Corp (LAES) Form 3 report any insider trades?

No. The Form 3 for SEALSQ Corp lists no transactions; the transaction counts and share amounts for buys, sells, exercises, gifts, and restructurings are all reported as zero.

Are any stock or option holdings reported for the insider at SEALSQ Corp (LAES)?

No holdings are detailed. The filing shows 0 holding entries and an empty derivative position summary, indicating no specific share or option positions are reported in this Form 3.

Does the SEALSQ Corp (LAES) Form 3 indicate use of a Rule 10b5-1 trading plan?

No. The document-level Rule 10b5-1 checkbox information is null, and there are no transaction footnotes describing trades under a 10b5-1 or similar trading plan.

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

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Available on EDGAR 08/26/2026 - 04:03 PM EDT Accepted by SEC EDGAR 08/26/2026 - 04:01 PM EDT Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Hirsch Alexander Sebastian

(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)
08/17/2026

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 Marketing 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)

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	08/26/2026
	** 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)