SEALSQ raises $125 million in registered direct offering at $4.11 per share

SEALSQ Corp (NASDAQ: LAES) announced it has entered into a securities purchase agreement with institutional investors for a $125 million registered direct offering. The company will sell 30,413,630 ordinary shares at $4.11 per share, with accompanying warrants to purchase up to 60,827,260 additional shares.

The warrants carry an exercise price of $5.50 per ordinary share, are immediately exercisable, and expire seven years from issuance. An affiliate of Heights Capital Management, Inc. is leading the offering, with Maxim Group LLC serving as the sole placement agent.

The offering is being conducted under an effective shelf registration statement filed with the Securities and Exchange Commission on October 20, 2025. The transaction is expected to close on or about March 17, 2026, subject to customary closing conditions.

SEALSQ stated it intends to use the net proceeds to strengthen its cash position and accelerate its post-quantum and quantum commercialization roadmap in the United States and Europe. The company develops semiconductors, PKI and post-quantum technology hardware and software products.

The offering is priced at-the-market under Nasdaq rules and is being made through a prospectus supplement and accompanying prospectus that are part of the effective shelf registration statement.

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