Brian S. Posner, Director at ARCH CAPITAL GROUP LTD. (ACGL), bought 3,000 shares at $77.38 ($236K) on 2018-05-03, disclosed to the SEC on 2018-05-04.
Seasonal purchase ($236k) by Director — this insider has traded ACGL in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $77.38 | 1,000 | $77K | 32.8% |
| 2 | $79.25 | 2,000 | $159K | 67.2% |
| Total | $78.63 avg | 3,000 | $236K | 100% |
| Filing → |
| ACGL | SELL | 2026-06-04 | $59K | — | Filing → |
| DYN | BUY | 2026-05-28 | $36K | — | Filing → |
| DYN | BUY | 2026-05-22 | $43K | — | Filing → |