O'Hara John Charles 4

What Happened

• John O'Hara, Chief Financial Officer of SEALSQ Corp (ticker: LAES), sold a total of 15,582 shares in two open‑market transactions. On 2026-06-02 he sold 10,000 shares at a weighted average price of $3.69 for $36,931, and on 2026-06-03 he sold 5,582 shares at a weighted average price of $3.53 for $19,704. Total proceeds were approximately $56,635. These were sales (not purchases).

Key Details

• Transaction dates and amounts:
  • 2026-06-02: 10,000 shares sold, weighted avg price $3.69, proceeds $36,931 (prices in range $3.56–$3.78; see footnote F2).
  • 2026-06-03: 5,582 shares sold, weighted avg price $3.53, proceeds $19,704 (prices in range $3.50–$3.66; see footnote F3).
• Transaction type: Open‑market sales (code S).
• Plan: Sales were executed pursuant to a Rule 10b5‑1 trading plan adopted October 17, 2025 (footnote F1).
• Price reporting: Each reported price is a weighted average; the filer can provide per‑trade price breakdowns on request (footnotes F2, F3).
• Shares owned after transaction: Not stated in the provided filing excerpt.
• Timeliness: Report filed 2026-06-03 for a transaction on 2026-06-02 (appears timely under Form 4 reporting rules).

Context

• These sales were made under a pre‑arranged 10b5‑1 plan, which is commonly used to schedule trades in advance and can indicate routine disposition rather than a contemporaneous view on company prospects. Sales are informational but do not by themselves prove management sentiment.