Form 4 for LAES SEALSQ Corp

Accepted 2026-04-06 17:07:34 ET · period of report 2026-04-02 · accession 0002110281-26-000011 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
MT	2026-04-06 17:07	2026-04-02+	LAES	O'Hara John Charles	CFO, Dir	S - Sale	$2.44	-20.0K	245.6K	-8%	-$48.7K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Ordinary Shares	2026-04-02	S	D	10,000	$2.45	255,595	D	—	—	(F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 17, 2025. (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.33 to $2.51, inclusive. The reporting person undertakes to provide to SEALSQ Corp, any security holder of SEALSQ Corp, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.
2	Common	Ordinary Shares	2026-04-06	S	D	10,000	$2.42	245,595	D	—	—	(F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 17, 2025. (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.3625 to $2.52, inclusive. The reporting person undertakes to provide to SEALSQ Corp, any security holder of SEALSQ Corp, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (3) to this Form 4.