Buonanno Franck Jean 4
4 · SEALSQ Corp · Filed May 11, 2026
Research Summary
AI-generated summary of this filing
SEALSQ (LAES) VP Franck Buonanno Exercises 20,000 Options
What Happened
- Franck Jean Buonanno, Vice‑President, Global Sales of SEALSQ Corp (ticker: LAES), reported option exercises on 2026-05-11. He exercised options to acquire 20,000 shares at $0.01 per share (total cost $200). The filing also shows a separate derivative disposition of 20,000 shares recorded at $0.00 on the same date.
- The primary action (code M) is an option exercise (an acquisition). The second entry is recorded as a derivative disposition; the filing does not explain the reason for the $0.00 disposition.
Key Details
- Transaction date: 2026-05-11.
- Acquired: 20,000 shares via option exercise at $0.01/share — total $200.
- Disposed/converted: 20,000 shares recorded at $0.00 (derivative disposition).
- Footnote: Exercise was executed under a Rule 10b5-1 trading plan adopted by the reporting person on October 13, 2025.
- Shares owned after the transactions: not stated in this Form 4.
- Filing status: Form filed on 2026-05-11 (no late filing indicated in the report).
Context
- For retail investors: an option exercise is not the same as a market buy — it often reflects exercising vested compensation. The 10b5-1 plan note indicates the exercise followed a prearranged trading plan. The $0.00 derivative disposition is unexplained in the filing and could reflect a conversion, withholding, or other internal action; the Form 4 provides no further detail.
Insider Transaction Report
Form 4
SEALSQ CorpLAES
Buonanno Franck Jean
Vice-President, Global Sales
Transactions
- Exercise/Conversion
Ordinary Shares
2026-05-11$0.01/sh+20,000$200→ 30,000 total - Exercise/Conversion
Employee Stock Option Plan (right to buy)
[F1]2026-05-11−20,000→ 0 totalExercise: $0.01From: 2026-02-20Exp: 2032-04-30→ Ordinary Shares (20,000 underlying)
Footnotes (1)
- [F1]The option exercise reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 13, 2025.
Signature
/s/ John O'Hara, Attorney-in-Fact|2026-05-11