O'Hara John Charles 4

What Happened John Charles O'Hara, Chief Financial Officer of SEALSQ Corp (ticker: LAES), disposed of 143 shares on June 5, 2026. The shares were sold at a weighted-average price of $3.51, producing proceeds of approximately $502. The filing lists the transaction as an open market or private sale.

Key Details

• Transaction date: June 5, 2026 (reported on same date).
• Shares sold: 143; weighted-average price: $3.51; proceeds ≈ $502.
• Price range: sales occurred at prices between $3.50 and $3.54 (per footnote).
• Post-transaction holdings: Not disclosed in the provided Form 4.
• Footnotes: (1) Sale was made pursuant to a Rule 10b5-1 trading plan adopted Oct 17, 2025. (2) Weighted-average price; reporting person can provide per-price breakdown on request.
• Filing timeliness: Reported the same day (appears timely).

Context This was a sale, not a purchase; sales by insiders can be routine (e.g., scheduled under 10b5-1 plans) and do not necessarily signal a change in sentiment. The 10b5-1 plan note indicates the trades were prearranged, which often means the sales were made according to a schedule set earlier rather than a discretionary decision at the time of sale.