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Who

David Alexander Fergusson

Director

Company insider

Files Form 4 as: Director, WISeQey; Director, Sealsq.

In numbers

Trades disclosed
3
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
2
Companies where not an officer
2
First trade
25 Sep 2026
Last trade
20 Oct 2026
Last filed
20 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
WISeQeyDirector · last 20 Oct 20260 buys · 0 sells
LAES SealsqDirector · Semiconductors · last 25 Sep 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
20 Oct 2026filed 20 Oct 2026WISeQeyoption or derivativeSEC FORM 4 Code A—2,992 at $0.00filing
25 Sep 2026filed 6 Oct 2026LAES Sealsqoption or derivative · SemiconductorsSEC FORM 4 Code A—3,424 at $0.00filing
25 Sep 2026filed 6 Oct 2026LAES Sealsqoption or derivative · SemiconductorsSEC FORM 4 Code A—14,063 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Jean-Pierre EnguentVice President, R&DSS · Vice President, R&DSS at Sealsq, filing Form 4 there in the last year
Eric Adrien PellatonDirector · Director at Sealsq, filing Form 4 there in the last year
Peter WardDirector · Director at Sealsq, filing Form 4 there in the last year
Moreira Andreas FeuardentChief Innovation Officer · Chief Innovation Officer at Wisekey International Holding, filing Form 4 there in the last year
Carlos MoreiraChief Executive Officer · Chief Executive Officer at Sealsq, filing Form 4 there in the last year