SEALSQ Corp develops certified secure microcontrollers and implements post-quantum cryptography. The company develops solutions including post-quantum microchips and devices that can be used in a variety of applications, from multi-factor authentication, home automation, and IT network infrastructure to automotive, industrial automation, and control systems. The company's vaultIC range offers a set of ready-to-use secure elements designed to implement embedded security for any kind of device with fast time-to-market and high flexibility. The company's products include VaultIC155, VaultIV18x, VaultIC292, and VaultIC40x. The company generates a majority of its revenue from North America, while it also has its presence in Europe, Middle East & Africa, Asia Pacific, and Latin America.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 9 | 78,030 | $252K |
| Grant or award | 1 | 60,000 | |
| Option exercise | 9 | 823,492 | |
| Tax withholding / forfeiture | 1 | 96,530 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
28 Form 4 filings on record, the earliest from Mar 19, 2026, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Option exercise | Ordinary Shares | 15,000 | $0.01 | $150 | ||
| Open-market sale | Ordinary Shares | 15,000 | $2.46 | $37K | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 15,000 | $0.00 | - | ||
| Option exercise | Ordinary Shares | 15,000 | $0.01 | $150 | ||
| Open-market sale | Ordinary Shares | 15,000 | $2.82 | $42K | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 15,000 | $0.00 | - | ||
| Peter Ward | Option exercise | Employee Stock Option Plan (right to buy) | 13,649 | $0.00 | - | |
| Peter Ward | Option exercise | Employee Stock Option Plan (right to buy) | 353,097 | $0.00 | - | |
| Peter Ward | Option exercise | Ordinary Shares | 366,746 | $0.01 | $4K | |
| Peter Ward | Tax withholding / forfeiture | Ordinary Shares | 96,530 | $3.07 | $296K | |
| Carlos Moreira - Officer | Open-market sale | Ordinary Shares | 300 | $3.51 | $1K | |
| Open-market sale | Ordinary Shares | 143 | $3.51 | $502 | ||
| Open-market sale | Ordinary Shares | 10,000 | $3.69 | $37K | ||
| Open-market sale | Ordinary Shares | 5,582 | $3.53 | $20K | ||
| Carlos Moreira - Officer | Open-market sale | Ordinary Shares | 10,000 | $3.69 | $37K | |
| Carlos Moreira - Officer | Open-market sale | Ordinary Shares | 7,005 | $3.53 | $25K | |
| Option exercise | Ordinary Shares | 15,000 | $0.01 | $150 | ||
| Grant or award | Employee Stock Option Plan (right to buy) | 60,000 | $0.00 | - | ||
| Open-market sale | Ordinary Shares | 15,000 | $3.51 | $53K | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 15,000 | $0.00 | - | ||
| Carlos Moreira - Officer | Open-market sale | Ordinary Shares | 4,139 | $3.50 | $15K | |
| Carlos Moreira - Officer | Open-market sale | Ordinary Shares | 10,000 | $3.51 | $35K | |
| Open-market sale | Ordinary Shares | 4,689 | $3.50 | $16K | ||
| Open-market sale | Ordinary Shares | 10,000 | $3.51 | $35K | ||
| Open-market sale | Ordinary Shares | 20,000 | $2.90 | $58K | ||
| Option exercise | Ordinary Shares | 20,000 | $0.01 | $200 | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 20,000 | $0.00 | - | ||
| Open-market sale | Ordinary Shares | 15,000 | $3.13 | $47K | ||
| Option exercise | Ordinary Shares | 15,000 | $0.01 | $150 | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 15,000 | $0.00 | - | ||
| Open-market sale | Ordinary Shares | 10,000 | $3.06 | $31K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.88 | $29K | ||
| Open-market sale | Ordinary Shares | 5,250 | $2.91 | $15K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.79 | $28K | ||
| Open-market sale | Ordinary Shares | 10,000 | $3.04 | $30K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.69 | $27K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.72 | $27K | ||
| Option exercise | Ordinary Shares | 130,500 | $0.01 | $1K | ||
| Grant or award | Employee Stock Option (right to buy) | 130,500 | $0.00 | - | ||
| Option exercise | Employee Stock Option (right to buy) | 130,500 | $0.00 | - | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.14 | $21K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.20 | $22K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.08 | $21K | ||
| Option exercise | Ordinary Shares | 15,000 | $0.01 | $150 | ||
| Open-market sale | Ordinary Shares | 15,000 | $2.20 | $33K | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 15,000 | $0.00 | - | ||
| Option exercise | Ordinary Shares | 10,000 | $0.01 | $100 | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.31 | $23K | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 10,000 | $0.00 | - | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.45 | $25K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.42 | $24K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.35 | $24K | ||
| Option exercise | Ordinary Shares | 100,000 | $0.01 | $1K | ||
| Grant or award | Employee Stock Option (right to buy) | 100,000 | $0.00 | - | ||
| Option exercise | Employee Stock Option (right to buy) | 100,000 | $0.00 | - | ||
| Option exercise | Ordinary Shares | 15,000 | $0.01 | $150 | ||
| Option exercise | Employee Stock Option (right to buy) | 15,000 | $0.00 | - | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.99 | $30K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.90 | $29K | ||
| Open-market sale | Ordinary Shares | 10,000 | $2.92 | $29K | ||
| Open-market sale | Ordinary Shares | 10,000 | $3.02 | $30K | ||
| Open-market sale | Ordinary Shares | 10,000 | $3.00 | $30K | ||
| Nathalie Claude Odile Verjus - Officer | Open-market sale | Ordinary Shares | 5,000 | $3.03 | $15K |
SEALSQ Corp (LAES) had 8 insider filings in the last 90 days, with the most recent on 2026-08-05. The full record for LAES runs to 28 Form 4 filings, the earliest from 2026-03-19. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of LAES were filed in the last 90 days.
9 insider sales of LAES were filed in the last 90 days, totaling $252K.
This page tracks LAES Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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