Sealsq Corp

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Sealsq Corp
TickerLAES
CIK #0001951222
CUSIPG79483106
SectorManufacturing - Semiconductors & Related Devices
AddressAvenue Louis-Casai 58, Cointrin, 1216
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Sealsq Corp 2025-10-22 105.2 M Exemption: 506(b) · Duration: One year or less · Commission: $6,311,947 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001951222] 3
[0001951222] 4
[0001951222] 6-K
[0001951222] D
[0001951222] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Anson Funds Management LP Sealsq Corp [2026-05-15] 0.0
Susquehanna Securities LLC Sealsq Corp [2026-02-13] 0.0
CVI Investments Inc Sealsq Corp [2025-10-15] 0.0
L1 Capital Global Opportunities Master Fund Ltd Sealsq Corp [2024-12-19] 0.0
L1 Capital Global Opportunities Master Fund Ltd Sealsq Corp [2024-12-18] 0.0
Wisekey International Holding Sa Sealsq Corp [2024-02-13] 38.9
Form 3/4/5 Filer 2011 - 2026
Enguent Jean-Pierre
SEALSQ Corp
Ward Peter
Moreira Carlos
O'Hara John Charles
Buonanno Franck Jean
Feuardent Moreira Andreas
Bose Ruma
Verjus Nathalie Claude Odile
Vian Bernard
Fergusson David Alexander
Dolan Cristina
Hamon Loic Jean-Claude
Pellaton Eric Adrien
Triouleyre Jean-Luc Pierre-Marie
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
O'Hara John Charles
Employee Stock Option (right to buy) · derivative
2026-03-30 Grant 100,000 $0.00
O'Hara John Charles
Employee Stock Option (right to buy) · derivative
2026-03-30 Option exercise 100,000 $0.00
O'Hara John Charles
Ordinary Shares
2026-03-30 Option exercise 100,000 $0.01 1,000
Buonanno Franck Jean
Employee Stock Option (right to buy) · derivative
2026-03-27 Option exercise 15,000 $0.00
Buonanno Franck Jean
Ordinary Shares
2026-03-27 Option exercise 15,000 $0.01 150
O'Hara John Charles
Ordinary Shares
2026-03-25 Sell 10,000 $2.92 29,200
O'Hara John Charles
Ordinary Shares
2026-03-24 Sell 10,000 $2.90 29,000
O'Hara John Charles
Ordinary Shares
2026-03-23 Sell 10,000 $2.99 29,900
O'Hara John Charles
Ordinary Shares
2026-03-20 Sell 10,000 $3.00 30,000
O'Hara John Charles
Ordinary Shares
2026-03-19 Sell 10,000 $3.02 30,200
Verjus Nathalie Claude Odile
Ordinary Shares
2026-03-18 Sell 5,000 $3.03 15,150
13F Ownership Over TimeHoldersShares Held
2026-03-31 89 61,363,502
2025-12-31 101 34,773,118
2025-09-30 75 17,880,816
2025-06-30 54 8,964,007
2025-03-31 41 5,136,080
2024-12-31 23 2,778,656
2024-09-30 7 26,216
2024-06-30 10 719,907
2024-03-31 9 872,831
2023-12-31 9 93,575
2023-09-30 10 102,480
2023-06-30 13 86,765
Form 13F Holdings
Firm Period DFND Voting Shares
Kessler Investment Group LLC [2026-06-30] SOLE 0 975,458
Curbstone Financial Management Corp [2026-06-30] SOLE 30,000 60,000
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 0 23,059
NorthCrest Asset Manangement LLC [2026-06-30] SOLE 0 19,373
Ballentine Partners LLC [2026-06-30] OTR 0 14,154
Farther Finance Advisors LLC [2026-06-30] SOLE 0 7,642
IFP Advisors LLC [2026-06-30] SOLE 6,615 6,615
LRI Investments LLC [2026-06-30] SOLE 1,000 1,000
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 400 400
Abound Wealth Management [2026-06-30] SOLE 0 41
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