WISeKey International Holding Ltd at the forefront of authentication and cybersecurity technology. It develops, markets, hosts, and supports a range of solutions that enable the secure digital identification and communication of people, content, and objects, by generating digital identities that enable its clients to monetize their existing user bases and, at the same time, expand their own eco-system securely by ensuring only authenticated objects and people can connect. The WISeKey Group operates through five core verticals: SEALSQ, WISeSat, SEALCOIN, WISeID, & WISe.ART. It has two business segments. Semiconductors & ASICs. The majority of its revenue is generated from the Semiconductors segment.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Option exercise | 3 | 1,320 | |
| Tax withholding / forfeiture | 1 | 139 |
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.
2 Form 4 filings on record, the earliest from Jun 16, 2026, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Option exercise | Employee Stock Option Plan (right to buy) | 440 | $0.00 | - | ||
| Option exercise | Class B Shares | 440 | $3.14 | $1K | ||
| Tax withholding / forfeiture | Class B Shares | 139 | $10.51 | $1K | ||
| Option exercise | Employee Stock Option Plan (right to buy) | 440 | $0.00 | - |
Wisekey International Holding S.A. (WKEY) had 2 insider filings in the last 90 days, with the most recent on 2026-06-24. The full record for WKEY runs to 2 Form 4 filings, the earliest from 2026-06-16. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of WKEY were filed in the last 90 days.
No insider sales of WKEY were filed in the last 90 days.
This page tracks WKEY 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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