Brian S Posner bought $17k of ACGL
director at ARCH CAPITAL GROUP LTD.. 1,000 shares at an average of $17.34, traded Aug 1, 2025, filed Aug 4, 2025.
Score components
- +15RoleDirector
- 0Trade size$17k at market
- +6Relative to holdingsHoldings up 25%
- +14Price context4% above the 52-week low; 19% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001415889-25-020959, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 1, 2025 | POpen-market purchase Depositary Shares, Series G | +1,000 | $17.34 | $17k | 5,000 | Aug 4, 2025 |
Related signals
Other insiders at ARCH CAPITAL GROUP LTD. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 44Moderate | ACGLsell ARCH CAPITAL GROUP LTD. | Maamoun Rajeh PRESIDENT, ARCH CAPITAL GROUP | $941k 10,000 shares | -2% | |
| 47Moderate | ARCH CAPITAL GROUP LTD. | Francois Morin EVP AND CFO | $1.2M 12,630 shares | -4% | |
| 60Notable | ARCH CAPITAL GROUP LTD. | John M Pasquesi director, other | $9.3M 99,056 shares | -15% | |
| 45Moderate | ARCH CAPITAL GROUP LTD. | Louis T Petrillo OFFICER OF SUBSIDIARY | $1.6M 16,650 shares | -11% | |
| 46Moderate | ARCH CAPITAL GROUP LTD. | Nicolas Papadopoulo CEO | $706k 7,636 shares | -1% | |
| 30Weak | ACGLsell ARCH CAPITAL GROUP LTD. | Louis T Petrillo OFFICER OF SUBSIDIARY | $1.9M 21,000 shares | -14% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.