John M Pasquesi

10% owner, ClearSign Technologies Corp; Director, Chair, Arch Capital Group

Bought, 12 months

$1.8M

Sold, 12 months

$20.0M

Companies

Latest trade

Jul 22, 2026

Companies

ClearSign Technologies Corp10% owner +$1.8M Arch Capital GroupDirector, Chair −$20.0M

Trades

CLIR Bought 500,000 shares at $3.54 $1.8M Jul 22

ACGL Sold 8,800 shares at $94.17 $0.8M Dec 15

ACGL Sold 203,866 shares at $93.90 $19.1M Dec 12

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.