Skip to main content

ARCH CAPITAL GROUP LTD. insider trading

ACGLNNASDAQ
$15.01+0.01 (+0.03% today)

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 8, 2025 to Oct 8, 2026. Price (-16.1%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Open market purchase
Open market sell
Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

Premium
Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26
Unlock quarterly net flow

Key players

    AI Activity Analysis

    Premium
    Coming soonAI reads of insider activity will appear here for Premium accounts.

    Insider activity

    Fromto
    CompanyInsider / roleActionΔOwnAvg priceAmount
    ACGLNBrian S. PosnerDirectorOpen market sell$59K-100.0%$19.66$59KJun 3, 2026Jun 4, 2026
    ACGLNBrian S. PosnerDirectorOpen market sell$34.3K-100.0%$17.14$34.3KMay 11, 2026May 12, 2026
    ACGLNDaniel Joseph HoustonDirectorOpen market purchase$499K+114.8%$94.09$499KApr 30, 2026May 4, 2026
    ACGLNBrian S. PosnerDirectorOpen market sell$51.4K-2.3%$17.12$51.4KMar 11, 2026Mar 12, 2026
    ACGLNJohn M. PasquesiDirectorOpen market sell$829K-0.3%$94.17$829KDec 15, 2025Dec 16, 2025
    ACGLNJohn M. PasquesiDirectorOpen market sell$16.4M-4.9%$93.91$16.4MDec 12, 2025Dec 16, 2025
    ACGLNJohn M. PasquesiDirectorOpen market sell$2.71M-0.8%$93.81$2.71MDec 12, 2025Dec 16, 2025
    ACGLNFrancois MorinEVP AND CFOOpen market sell$757K-2.9%$94.62$757KNov 28, 2025Dec 2, 2025
    End of history · 8 transactions

    Not investment advice. We make every effort to keep the information on SpoorBase accurate, but errors may occur. SpoorBase does not guarantee the accuracy or completeness of any data, and any use of the information is at the user’s sole responsibility. Valuation multiples are calculated by SpoorBase and may contain errors. See Disclosures. © 2026 SpoorBase. All rights reserved.