Changes in Beneficial Ownership · 4
SEALSQ Corp
LAESNASDAQEQUITYCurrent
Changes in Beneficial Ownership
Structured filing — 4
form4-10062026_041001.xml
Filing details
- Report period
- 2026-10-05
- Issuer
- SEALSQ Corp
- Issuer CIK
- 0001951222
- Trading symbol
- LAES
Reporting owner 1
- Name
- Ward Peter
- Reporting owner CIK
- 0001896009
- Relationship
- Director
- Address
- C/O SEALSQ CORP, AVENUE LOUIS-CASAI 58, COINTRIN, SWITZERLAND, V8, 1216
Derivative transactions
| Security | Conversion / exercise price (USD) | Transaction date | Code | Amount | A / D | Price (USD) | Exercisable | Expires | Underlying security | Underlying shares | Owned after | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option Plan (right to buy) | 0.01 | 2026-10-05 | A · Form 4 | 3,582 | A | 0 | 2026-10-05 | 2032-11-09 | Ordinary Shares | 3,582 | 3,582 | D |
| Employee Stock Option Plan (right to buy) | 0.01 | 2026-10-05 | A · Form 4 | 4,686 | A | 0 | 2026-10-05 | 2033-09-23 | Ordinary Shares | 4,686 | 4,686 | D |
Table key
- A · Form 4
- Acquisition by grant, award or otherwise under Rule 16b-3(d)
- A
- Acquired
- D
- Direct
Signature 1
- Signed
- /s/ John O'Hara, Attorney-in-Fact
- Date
- 2026-10-06
Company context
SEALSQ is a leading innovator in Post-Quantum Technology hardware and software solutions. Our technology seamlessly integrates Semiconductors, PKI (Public Key Infrastructure), and Provisioning Services, with a strategic emphasis on developing state-of-the-art Quantum Resistant Cryptography and Semiconductors designed to address the urgent security challenges posed by quantum computing. As quantum computers advance, traditional cryptographic methods like RSA and Elliptic Curve Cryptography (ECC) are increasingly vulnerable.