Filed Pursuant to Rule
424(b)(3)
Registration No. 333-273793
PROSPECTUS SUPPLEMENT NO. 3
(TO PROSPECTUS DATED AUGUST 21, 2023)
This prospectus
supplement updates and supplements the prospectus dated August 21, 2023 (the “Prospectus”), which forms a part of our registration
statement on Form F-1 (No. 333-273793). This prospectus supplement is being filed to update and supplement the information in the Prospectus
with information contained in our Current Report on Form 6-K/A filed with the Securities and Exchange Commission on September 29, 2023
(the “Current Report”). Accordingly, we have attached the Current Report to this prospectus supplement.
This
Prospectus and prospectus supplement relate to the resale, from time to time, by the selling shareholders named in the
Prospectus (the “Selling Shareholders”) of an aggregate of up to 8,000,000 of our Ordinary Shares, US$0.01 par value per
Ordinary Share (the “Ordinary Shares”), reserved for issuance (i) upon the conversion of currently outstanding 4%
discount convertible promissory notes (the “Notes”) held by the Selling Shareholders (the “Conversion
Shares”) and (ii) upon exercise of currently outstanding warrants (the “Warrants”) held by the Selling
Shareholders (the “Warrant Shares”). The Notes and Warrants were issued to the Selling Shareholders on July 11, 2023
(the “Closing Date”).
We registered the resale of up to an aggregate
of 8,000,000 Conversion Shares and Warrant Shares as required by the Registration Rights Agreement, dated as of July 11, 2023 (the “Registration
Rights Agreement”), by and among us and the Selling Shareholders.
The Conversion Shares include Ordinary Shares
issuable upon conversion of $10,000,000.00 in aggregate principal amount of the Notes and in accruing interest which may be paid by the
Company in Conversion Shares with the written consent of the Selling Shareholders (including Ordinary Shares reserved for potential issuance
in the event of possible future default or dilution adjustments). The Notes are convertible at a conversion price of (i) $30.00 per Ordinary
Share (the “Fixed Conversion Price”), or (ii) 92% of the lowest daily variable-weighted average price (the “VWAP”)
per Ordinary Share during the 10 trading days preceding the conversion (the “Variable Conversion Price”). The Variable Conversion
Price has a floor of $2.50 per Ordinary Share (the “Floor Conversion Price”). The Fixed Conversion Price has a one-time reset
on the 6-month anniversary following the Closing Date to the lower of (x) the initial Fixed Conversion Price, (y) the initial Variable
Conversion Price, or (z) 130% of the daily VWAP per Ordinary Share on the trading day prior to the reset date. The Notes provide for adjustment
of the Fixed Conversion Price for, inter alia, stock dividends, stock splits, stock combinations, rights offerings, pro rata
distributions of assets, reclassifications of Ordinary Shares, exchanges of Ordinary Shares or substitutions of Ordinary Shares, dilutive
issuances, certain option issuances and issuances of convertible securities. At the Floor Conversion Price, the Notes are convertible
into an aggregate of 4,320,000 Ordinary Shares.
The Warrant Shares include Ordinary Shares issuable
upon exercise of the Warrants (including Ordinary Shares reserved for potential issuance in the event of possible future default or dilution
adjustments). The Warrants are exercisable, immediately upon issuance at the option of the holders, at an exercise price per Ordinary
Share equal to initial Fixed Conversion Price for the Notes ($30.00 per Ordinary Share), subject to a one-time reset on the 6-month anniversary
of the Closing Date to 120% of the daily VWAP per Ordinary Share on the trading day prior to the reset date. Pursuant to the Purchase
Agreement, on the initial Closing Date, the Selling Shareholders were issued the Initial Warrants to purchase up to an aggregate of 245,816
Ordinary Shares.
To the extent that Conversion Shares and/or Warrant
Shares are issued by the Company under the terms of the Notes and Warrants, substantial amounts of Ordinary Shares could be issued and
resold, which would cause dilution and may impact the Company’s stock price. See “Risk Factors” and “Convertible
Note Financing” in the Prospectus for additional information.
We are not selling any securities under this Prospectus
and will not receive any of the proceeds from the sale of our Conversion Shares or Warrant Shares by the Selling Shareholders. However,
we may receive proceeds from the exercise of the Warrants, which, if exercised in full for an aggregate of 245,816 Ordinary Shares and
for cash at the current $30.00 exercise price per Ordinary Share, would result in gross proceeds to us of approximately $7,374,480.00.
There is no assurance that the Selling Shareholders will elect to exercise any of the Warrants for cash and, accordingly, no assurance
that we will receive any proceeds from the exercise of the Warrants.
We will pay the expenses of registering the Conversion
Shares and Warrant Shares offered by this Prospectus, but all selling and other expenses incurred by the Selling Shareholders will be
paid by the Selling Shareholders. The Selling Shareholders may sell the Conversion Shares and the Warrant Shares offered by this Prospectus
from time to time on terms to be determined at the time of sale through ordinary brokerage transactions or through any other means described
in this Prospectus under “Plan of Distribution.” The prices at which the Selling Shareholders may sell the Conversion Shares
or the Warrant Shares will be determined by the prevailing market price for our Ordinary Shares or in negotiated transactions.
Our Ordinary Shares are listed on the Nasdaq Global
Market under the ticker symbol “LAES.” The last reported sale price of our Ordinary Shares on the Nasdaq Global Market
on September 28, 2023 was $2.08 per share.
This prospectus supplement should be read in conjunction
with, and delivered with, the Prospectus and is qualified by reference to the Prospectus except to the extent that the information in
this prospectus supplement supersedes the information contained in the Prospectus. This prospectus supplement is not complete without,
and may not be delivered or utilized except in connection with, the Prospectus, including any amendments or supplements to it.
Investing in our Ordinary Shares involves risks.
See “Risk Factors” beginning on page 22 of the Prospectus for a discussion of information that should be considered in connection
with an investment in our Ordinary Shares.
Neither the U.S. Securities and Exchange Commission
(“SEC”) nor any other regulatory body has approved or disapproved of these securities or passed upon the accuracy or adequacy
of this Prospectus Supplement No. 3. Any representation to the contrary is a criminal offense.
The date of this Prospectus
Supplement is September 29, 2023.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 6-K/A
Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 under the
Securities Exchange Act of 1934
Date of report: September 29, 2023
Commission File Number: 001-41709
SEALSQ CORP
(Exact Name of Registrant as Specified in Charter)
N/A
(Translation of Registrant’s name into
English)
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British Virgin Islands |
Avenue Louis-Casaï 58
1216 Cointrin, Switzerland
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Not Applicable |
(State or other jurisdiction of incorporation or organization) |
(Address of principal executive office) |
(I.R.S. Employer Identification No.) |
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Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F:
☒ Form
20-F ☐ Form 40-F
EXPLANATORY NOTE
This Amendment to the Form 6-K of
SEALSQ Corp (“SEAL”), filed on September 8, 2023 (the “Original
6-K”), is being filed solely to provide SEAL’s Condensed Consolidated Financial Statements as at June 30, 2023 using
interactive data files in inline eXtensible Business Reporting Language (iXBRL), as attached to this Form 6-K/A as Exhibit 99.1.
Exhibit
No. |
Description of Exhibit |
99.1 |
Condensed Consolidated Financial Statements of SEALSQ Corp. as at June 30, 2023. |
101.INS |
XBRL Instance Document. |
101.SCH |
XBRL Taxonomy Extension Schema Document. |
101.CAL |
XBRL Taxonomy Extension Calculation Linkbase Document. |
101.DEF |
XBRL Taxonomy Extension Definition Linkbase Document. |
101.LAB |
XBRL Taxonomy Extension Label Linkbase Document. |
101.PRE |
XBRL Taxonomy Extension Presentation Linkbase Document. |
104 |
Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101). |
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:
September 29, 2023
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SEALSQ CORP |
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By: |
/s/ Carlos Moreira |
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Name: |
Carlos Moreira |
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Title: |
Chief Executive Officer |
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By: |
/s/ Peter Ward |
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Name: |
Peter Ward |
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Title: |
Chief Financial Officer |
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