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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, %
2015-08-07 17:47 2015-08-06 PETRILLO LOUIS T Officer - Officer of Subsidiary SELL $71.90 4,647 $334,131 59,513 -7.2%
2015-08-05 22:45 2015-08-04 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $72.02 4,000 $288,092 223,561 -1.8%
2015-08-04 19:26 2015-07-31 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $71.48 5,000 $357,375 227,561 0.0%
2015-08-04 19:46 2015-07-31 Hutchings W Preston Officer - SVP & Chief Investment Officer OPT+S $71.74 3,500 $251,090 178,456 0.0%
2015-08-04 19:30 2015-07-31 PETRILLO LOUIS T Officer - Officer of Subsidiary OPT+S $71.65 5,095 $365,052 64,160 0.0%
2015-05-27 22:29 2015-05-22 PASQUESI JOHN M Director, Other SELL $64.64 62,937 $4,068,336 477,412 -11.6%
2015-05-26 23:15 2015-05-21 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $64.94 9,140 $593,554 225,807 0.0%
2015-05-21 20:50 2015-05-19 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $64.83 37,793 $2,449,935 552,151 0.0%
2015-05-06 22:10 2015-05-05 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $61.71 8,000 $493,686 220,017 0.0%
2015-03-12 23:53 2015-03-10 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $60.01 10,000 $600,085 220,017 0.0%
2015-03-03 22:54 2015-03-02 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO SELL $59.31 100,000 $5,931,270 308,076 -24.5%
2015-02-13 22:57 2015-02-12 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $59.67 25,000 $1,491,750 220,017 0.0%
2014-12-09 23:22 2014-12-08 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO SELL $58.90 60,000 $3,534,000 408,926 -12.8%
2014-12-02 22:03 2014-11-28 Lillikas Yiorgos Director BUY $57.47 85 $4,885 85 +100.0%
2014-11-12 23:02 2014-11-10 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $57.16 14,000 $800,199 220,017 0.0%
2014-11-12 23:12 2014-11-10 PETRILLO LOUIS T Officer - Officer of Subsidiary OPT+S $57.18 42,000 $2,401,413 61,866 0.0%
2014-11-06 20:03 2014-11-05 LEE KEWSONG Director SELL $56.42 65,775 $3,711,039 238,702 -21.6%
2014-11-04 00:15 2014-10-31 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $56.10 21,000 $1,178,081 220,017 0.0%
2014-09-12 18:49 2014-09-11 Hutchings W Preston Officer - SVP & Chief Investment Officer OPT+S $54.38 27,500 $1,495,450 155,769 0.0%
2014-09-11 00:02 2014-09-10 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $54.50 7,250 $395,146 220,017 0.0%
2014-09-04 16:47 2014-09-02 PASQUESI JOHN M Director, Other SELL $55.47 39,960 $2,216,641 534,112 -7.0%
2014-08-05 23:19 2014-08-04 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $54.28 28,500 $1,546,892 222,017 0.0%
2014-03-14 20:22 2014-03-12 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $57.25 4,296 $245,956 494,524 0.0%
2014-03-14 00:08 2014-03-12 Hutchings W Preston Officer - SVP & Chief Investment Officer SELL $56.79 4,385 $249,024 95,615 -4.4%
2014-03-12 22:53 2014-03-10 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $57.16 55,704 $3,184,202 494,524 0.0%
2014-03-10 23:09 2014-03-07 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $56.90 4,500 $256,068 211,017 -2.1%
2014-03-10 23:12 2014-03-06 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $56.67 6,605 $374,278 494,524 0.0%
2014-03-06 22:04 2014-03-04 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $56.27 23,395 $1,316,526 494,524 0.0%
2014-03-05 00:50 2014-03-03 PETRILLO LOUIS T Officer - Officer of Subsidiary OPT+S $55.55 72,000 $3,999,456 81,645 0.0%
2014-03-04 00:22 2014-02-28 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $56.19 30,000 $1,685,643 494,524 0.0%
2014-02-21 23:50 2014-02-19 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $55.73 10,000 $557,299 215,517 0.0%
2013-11-22 21:51 2013-11-20 MEENAGHAN JAMES J Director SELL $58.09 2,000 $116,182 46,059 -4.2%
2013-11-19 01:43 2013-11-08 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO SELL $58.33 15,000 $874,961 440,555 -3.3%
2013-11-13 00:45 2013-11-08 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO SELL $58.32 41,000 $2,391,059 250,171 -14.1%
2013-10-31 22:04 2013-10-30 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $57.81 26,000 $1,503,057 179,517 -12.7%
2013-09-09 19:06 2013-09-05 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $53.18 10,000 $531,799 205,517 -4.6%
2013-08-26 23:48 2013-08-22 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO BUY $24.50 3,800 $93,100 1,800 +100.0%
2013-08-20 16:00 2013-08-19 Posner Brian S Director BUY $23.58 2,500 $58,947 7,500 +50.0%
2013-08-20 00:21 2013-08-16 GRANDISSON MARC Officer - Reinsur. Group Chairman & CEO OPT+S $53.51 7,207 $385,667 494,524 0.0%
2013-08-19 21:19 2013-08-15 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO BUY $23.76 4,000 $95,039 3,000 +100.0%
2013-08-16 16:39 2013-08-14 Hutchings W Preston Officer - SVP & Chief Investment Officer BUY $24.55 4,000 $98,187 4,000 +100.0%
2013-08-06 00:23 2013-08-02 Posner Brian S Director BUY $25.25 5,000 $126,231 5,000 +100.0%
2013-08-01 23:11 2013-07-31 Lyons Mark Donald Officer - EVP,CFO & Treasurer OPT+S $54.26 10,000 $542,556 215,517 0.0%
2013-06-07 22:04 2013-06-06 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $51.00 7,000 $356,987 215,517 -3.1%
2013-06-06 21:56 2013-06-05 Hutchings W Preston Officer - SVP & Chief Investment Officer SELL $51.34 10,097 $518,332 100,000 -9.2%
2013-03-05 00:07 2013-03-01 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO SELL $49.19 100,000 $4,919,150 388,705 -20.5%
2012-12-18 00:27 2012-12-14 Lyons Mark Donald Officer - EVP,CFO & Treasurer SELL $44.29 5,000 $221,441 210,517 -2.3%
2012-12-12 23:51 2012-12-11 Vollaro John D Director OPT+S $44.37 32,000 $1,419,808 164,598 0.0%
2012-12-12 23:48 2012-12-11 WORKS ROBERT F Director SELL $44.61 20,000 $892,280 57,490 -25.8%
2012-12-06 01:10 2012-12-04 IORDANOU CONSTANTINE Director, Officer - Chairman, President & CEO SELL $44.61 149,032 $6,648,765 386,062 -27.9%
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.