Skip to main content

SEALSQ Corp

LAES
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001951222

In the last 90 days, SEALSQ Corp insiders filed 0 open-market purchases and 3 sales; 108 institutions reported holding it in 13F filings for Q2 2026, worth $38.7M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by SEALSQ Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
1 insider, $115.2K in total
Insiders trading
1
Net value
−$115.2K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for SEALSQ Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for SEALSQ Corp
NameTitleLast reported holdingLast filingFilings, past year
Enguent Jean-PierreVice President, R&DSS0Sep 3, 20267
Ward PeterDirector270,531Jun 18, 20261
Moreira CarlosChief Executive Officer696,215Jun 5, 20263
O'Hara John CharlesChief Financial Officer250,431Jun 5, 202612
Buonanno Franck JeanVice-President, Global Sales10,000May 15, 20264
Feuardent Moreira AndreasChief Innovation Officer0IndirectApr 8, 20261
Verjus Nathalie Claude OdileCompany Secretary185,000Mar 19, 20261

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 3, 2026 (view filing)4:40 PM ETSep 3Same dayEnguent Jean-PierreVice President, R&DSSSSale−15.0K$2.40−$36.0K−100.0%0 after10b5-1
Aug 5, 2026 (view filing)6:20 PM ETAug 5Same dayEnguent Jean-PierreVice President, R&DSSSSale−15.0K$2.46−$36.9K−100.0%0 after10b5-1
Jul 8, 2026 (view filing)4:50 PM ETJul 8Same dayEnguent Jean-PierreVice President, R&DSSSSale−15.0K$2.82−$42.3K−100.0%0 after10b5-1
Jun 5, 2026 (view filing)Jun 5Same dayO'Hara John CharlesChief Financial OfficerSSale−143$3.51−$501.93−0.1%250.4K after10b5-1
Jun 5, 2026 (view filing)Jun 5Same dayMoreira CarlosChief Executive OfficerSSale−300$3.51−$1.05K0.0%696.2K after10b5-1
Jun 3, 2026 (view filing)5:15 PM ETJun 3Same dayEnguent Jean-PierreVice President, R&DSSSSale−15.0K$3.51−$52.7K−100.0%0 after10b5-1
Jun 3, 2026 (view filing)Jun 2-31 dayO'Hara John CharlesChief Financial OfficerSSale−15.6K$3.63−$56.6K−5.9%250.6K after2 lots10b5-1
Jun 3, 2026 (view filing)Jun 2-31 dayMoreira CarlosChief Executive OfficerSSale−17.0K$3.62−$61.6K−2.4%696.5K after2 lots10b5-1
May 29, 2026 (view filing)May 27-292 daysO'Hara John CharlesChief Financial OfficerSSale−14.7K$3.51−$51.5K−5.2%266.2K after2 lots10b5-1
May 29, 2026 (view filing)May 27-292 daysMoreira CarlosChief Executive OfficerSSale−14.1K$3.51−$49.6K−1.9%713.5K after2 lots10b5-1
May 15, 2026 (view filing)May 141 dayBuonanno Franck JeanVice-President, Global SalesSSale−20.0K$2.90−$58.0K−66.7%10.0K after10b5-1
May 7, 2026 (view filing)May 61 dayEnguent Jean-PierreVice President, R&DSSSSale−15.0K$3.13−$47.0K−100.0%0 after10b5-1
Apr 24, 2026 (view filing)Apr 22-242 daysO'Hara John CharlesChief Financial OfficerSSale−25.3K$2.96−$74.7K−8.2%280.8K after3 lots10b5-1
Apr 22, 2026 (view filing)Apr 20-212 daysO'Hara John CharlesChief Financial OfficerSSale−20.0K$2.92−$58.3K−6.1%306.1K after2 lots10b5-1
Apr 17, 2026 (view filing)Apr 16-171 dayO'Hara John CharlesChief Financial OfficerSSale−20.0K$2.71−$54.1K−5.8%326.1K after2 lots10b5-1
Apr 9, 2026 (view filing)4:15 PM ETApr 81 dayEnguent Jean-PierreVice President, R&DSSSSale−15.0K$2.20−$33.0K−100.0%0 after10b5-1
Apr 9, 2026 (view filing)Apr 7-92 daysO'Hara John CharlesChief Financial OfficerSSale−30.0K$2.14−$64.2K−12.2%215.6K after3 lots10b5-1
Apr 8, 2026 (view filing)4:15 PM ETApr 71 dayFeuardent Moreira AndreasChief Innovation OfficerSSale−10.0K$2.31−$23.1K−100.0%0 after10b5-1
Apr 6, 2026 (view filing)Apr 2-64 daysO'Hara John CharlesChief Financial OfficerSSale−20.0K$2.44−$48.7K−7.5%245.6K after2 lots10b5-1
Apr 1, 2026 (view filing)Mar 311 dayBuonanno Franck JeanVice-President, Global SalesSSale−10.0K$2.35−$23.5K−50.0%10.0K after10b5-1
Mar 25, 2026 (view filing)Mar 23-252 daysO'Hara John CharlesChief Financial OfficerSSale−30.0K$2.94−$88.1K−15.4%165.2K after3 lots10b5-1
Mar 23, 2026 (view filing)Mar 19-204 daysO'Hara John CharlesChief Financial OfficerSSale−20.0K$3.01−$60.2K−9.3%195.2K after2 lots10b5-1
Mar 19, 2026 (view filing)Mar 181 dayVerjus Nathalie Claude OdileCompany SecretarySSale−5.00K$3.03−$15.2K−2.6%185.0K after10b5-1