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Company Analysis

ACGL Insider Trading

ARCH CAPITAL GROUP LTD. | Fire, Marine & Casualty Insurance

Comprehensive Trading Performance Summary

The investment history of corporate insiders at ARCH CAPITAL GROUP LTD. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Fire, Marine & Casualty Insurance sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2017-12-14 22:49 2017-12-13 PETRILLO LOUIS T Officer - Officer of Subsidiary SELL $91.07 5,921 $539,212 42,868 -12.1%
2017-12-12 19:53 2017-12-11 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $92.04 5,500 $506,241 184,216 -2.9%
2017-11-10 00:09 2017-11-07 Papadopoulo Nicolas Other SELL $95.53 54,554 $5,211,478 147,481 -27.0%
2017-09-13 19:22 2017-09-11 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $97.31 9,967 $969,913 189,716 0.0%
2017-09-13 21:07 2017-09-12 Papadopoulo Nicolas Other SELL $97.23 38,918 $3,783,904 182,035 -17.6%
2017-09-11 21:30 2017-09-07 Rippert Andrew Officer - CEO of Global Mortgage Group SELL $94.25 3,500 $329,866 36,550 -8.7%
2017-09-12 00:21 2017-09-08 Papadopoulo Nicolas Other OPT+S $93.80 80,694 $7,569,194 220,953 0.0%
2017-08-11 23:35 2017-08-09 Hutchings W Preston Officer - SVP & Chief Investment Officer SELL $96.81 12,500 $1,210,131 176,889 -6.6%
2017-08-03 23:53 2017-08-02 IORDANOU CONSTANTINE Director, Officer - Chairman & CEO OPT+S $97.88 50,000 $4,893,920 109,100 0.0%
2017-06-13 23:32 2017-06-12 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $93.53 8,266 $773,103 192,916 0.0%
2017-05-25 19:13 2017-05-24 PETRILLO LOUIS T Officer - Officer of Subsidiary SELL $94.98 2,990 $283,998 56,268 -5.0%
2017-05-23 00:55 2017-05-18 IORDANOU CONSTANTINE Director, Officer - Chairman & CEO SELL $95.52 37,168 $3,550,224 169,983 -17.9%
2017-05-19 20:08 2017-05-18 Papadopoulo Nicolas Other SELL $95.39 20,000 $1,907,804 244,912 -7.5%
2017-05-10 20:59 2017-05-08 Vollaro John D Director SELL $97.32 2,033 $197,842 128,016 -1.6%
2017-05-08 22:08 2017-05-04 Vollaro John D Director SELL $97.01 5,000 $485,051 130,049 -3.7%
2017-05-04 23:11 2017-05-02 Papadopoulo Nicolas Other SELL $96.67 15,500 $1,498,328 238,524 -6.1%
2017-05-01 22:14 2017-04-28 Vollaro John D Director OPT+S $97.26 2,911 $283,119 135,049 0.0%
2017-03-10 16:50 2017-03-09 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $94.43 13,000 $1,227,554 187,156 -6.5%
2017-03-06 19:08 2017-03-02 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $95.08 5,635 $535,788 200,156 0.0%
2017-03-02 17:31 2017-02-28 GRANDISSON MARC Officer - President & COO SELL $94.54 23,446 $2,216,559 585,562 -3.8%
2017-02-28 00:23 2017-02-27 Hutchings W Preston Officer - SVP & Chief Investment Officer OPT+S $93.91 8,000 $751,280 189,389 0.0%
2017-02-22 01:02 2017-02-17 IORDANOU CONSTANTINE Director, Officer - Chairman & CEO OPT+S $93.58 60,000 $5,614,626 162,141 0.0%
2017-02-17 19:31 2017-02-15 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $93.09 5,000 $465,451 190,167 0.0%
2017-02-18 00:38 2017-02-15 Vollaro John D Director SELL $92.95 28,000 $2,602,488 109,435 -20.4%
2016-12-19 21:35 2016-12-15 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $87.13 3,500 $304,946 185,132 -1.9%
2016-12-14 18:50 2016-12-13 IORDANOU CONSTANTINE Director, Officer - Chairman & CEO SELL $87.24 50,000 $4,361,955 191,522 -20.7%
2016-12-05 23:46 2016-12-02 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $83.14 6,100 $507,125 188,632 -3.1%
2016-11-22 00:05 2016-11-18 Posner Brian S Director BUY $21.88 6,000 $131,271 6,000 +100.0%
2016-11-01 01:37 2016-10-28 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $77.22 8,000 $617,762 194,732 0.0%
2016-09-01 22:08 2016-08-30 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $80.34 4,812 $386,606 190,330 -2.5%
2016-08-31 22:28 2016-08-29 IORDANOU CONSTANTINE Director, Officer - Chairman & CEO SELL $79.50 50,000 $3,975,155 243,030 -17.1%
2016-08-24 23:17 2016-08-22 PETRILLO LOUIS T Officer - Officer of Subsidiary OPT+S $79.43 8,635 $685,838 57,313 0.0%
2016-08-18 20:17 2016-08-17 McElroy David Officer - Chairman & CEO Arch Insur Gr SELL $79.27 25,000 $1,981,845 67,580 -27.0%
2016-08-18 20:28 2016-08-17 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $80.16 8,500 $681,386 195,142 0.0%
2016-06-03 22:25 2016-06-01 Lillikas Yiorgos Director SELL $72.21 1,570 $113,373 15,911 -9.0%
2016-06-03 22:50 2016-06-02 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $72.55 3,000 $217,637 198,830 -1.5%
2016-06-02 22:27 2016-05-31 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $71.81 7,000 $502,656 201,830 -3.4%
2016-05-26 17:20 2016-05-24 IORDANOU CONSTANTINE Director, Officer - Chairman & CEO SELL $71.58 40,000 $2,863,188 293,030 -12.0%
2016-03-16 22:57 2016-03-15 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $69.91 3,500 $244,685 194,596 -1.8%
2016-03-03 05:07 2016-03-02 IORDANOU CONSTANTINE Director, Officer - Chairman & CEO SELL $68.81 40,000 $2,752,440 287,030 -12.2%
2016-02-26 18:40 2016-02-25 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $68.95 13,200 $910,203 198,096 -6.2%
2016-02-23 01:22 2016-02-18 GRANDISSON MARC Officer - President & COO OPT+S $68.62 30,000 $2,058,696 552,151 0.0%
2016-02-16 23:08 2016-02-12 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $67.40 7,500 $505,473 211,296 0.0%
2015-11-25 00:19 2015-11-23 PETRILLO LOUIS T Officer - Officer of Subsidiary SELL $73.86 4,555 $336,437 59,513 -7.1%
2015-11-16 22:44 2015-11-12 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $73.81 18,156 $1,340,171 552,151 0.0%
2015-11-12 19:39 2015-11-09 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $74.41 25,700 $1,912,376 552,151 0.0%
2015-11-04 00:44 2015-10-30 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $74.95 10,000 $749,504 552,151 0.0%
2015-11-03 00:39 2015-10-30 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $76.00 11,000 $836,000 206,761 -5.1%
2015-09-10 20:10 2015-09-08 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $69.20 5,800 $401,334 217,761 -2.6%
2015-09-04 20:04 2015-09-03 Hutchings W Preston Officer - SVP & Chief Investment Officer SELL $68.96 3,456 $238,308 175,000 -1.9%
SHOW ENTRIES

How to Interpret $ACGL Trades

Not every insider transaction in ARCH CAPITAL GROUP LTD. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $ACGL shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.

Data Source & Accuracy for ACGL

Insider activity data for ARCH CAPITAL GROUP LTD. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $ACGL, allowing you to follow the capital of those with the most intimate knowledge of the company.

UNDERSTANDING THE DATA

FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.

TRADE DATE: The actual day the insider executed the purchase or sale in the market.

INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.

OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.

CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.

TRADE TYPES DEFINITIONS

BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.

SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.

OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.