SEC CIK 1372455

Posner Brian S

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
ACGLview stock →02026-06-03

Position History — ACGL

Reported shares owned immediately after each Form 4 transaction, over time.

040,72581,450122,1752026-032026-052026-052026-06

Recent Filings — ACGL

DateActivitySharesPriceOwned After
2026-06-03Open-market sale3,000$19.660
2026-05-11Open-market sale2,000$17.140
2026-05-05Grant / award2,071122,175
2026-03-11Open-market sale3,000$17.112,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.