Nathalie Claude Odile Verjus - 18 Mar 2026 Form 4 Insider Report for SEALSQ Corp (LAES)

Reporting relationship: Company Secretary
Issuer ticker: LAES
Reported as of: 18 Mar 2026
Net transaction value: -$15,129
SEC form: 4
Accepted by SEC: 19 Mar 2026, 16:15:07 UTC
Source filing: View source filing
Reporting owner signature: /s/ John O'Hara, Attorney-in-Fact

Key filing fact

Nathalie Claude Odile Verjus filed Form 4 for SEALSQ Corp (LAES) on 19 Mar 2026.

Key facts

This page summarizes Nathalie Claude Odile Verjus's Form 4 filing for SEALSQ Corp (LAES).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 Mar 2026, 16:15.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: -$15,129.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002111395 Primary reporting owner

Verjus Nathalie Claude Odile

Relationship: Company Secretary
Address: C/O SEALSQ CORP, AVENUE LOUIS-CASAI 58, COINTRIN, SWITZERLAND
Signature: /s/ John O'Hara, Attorney-in-Fact
Signature date: 19 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LAES transaction

Ordinary Shares

Sale

Transaction value: $15,129
Shares: -5,000
Change %: -2.6%
Price: $3.03
Shares after: 185,000
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 24, 2025.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.98 to $3.09, inclusive. The reporting person undertakes to provide to SEALSQ Corp, any security holder of SEALSQ Corp, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.