UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 6-K
Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 under
the
Securities Exchange Act of 1934
For the month of April 2026
Commission File Number: 001-41709
SEALSQ CORP
(Exact Name of Registrant as Specified in Charter)
N/A
(Translation of Registrant’s name into
English)
| British Virgin Islands |
Avenue Louis-Casaï 58
1216 Cointrin, Switzerland |
Not Applicable |
(State or other jurisdiction of incorporation or
organization) |
(Address of principal executive office) |
(I.R.S. Employer Identification No.) |
Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F:
x Form 20-F ¨
Form 40-F
| Exhibit |
|
|
| No. |
|
Description |
| |
|
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| 99.1 |
|
2025 Annual Report
of SEALSQ Corp |
SIGNATURES
Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto
duly authorized.
| Date: April 2, 2026 |
SEALSQ CORP |
| |
|
| |
By: |
/s/ Carlos Moreira |
| |
|
Name: |
Carlos Moreira |
| |
|
Title: |
Chief Executive Officer |
| |
|
| |
By: |
/s/ John O’Hara |
| |
|
Name: |
John O’Hara |
| |
|
Title: |
Chief Financial Officer |
