Arch Capital Group . Depositary Shares Each Representing 1/1000th Interest in a Share of5.45% Non-Cumulative Preferred Shares Series F Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -79.77. In total, the insiders bought 1.15M and sold 750.98K ACGLO shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.
Insider Power
|
-79.77 |
| ● Buy | 1.15M shares |
| ● Sell | 750.98K shares |
|
64% Buy Activity
Weak Negative Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
Mar 04, 2026 Buy |
Rajeh Maamoun President, Arch Capital Group |
40 600 Value: $846.1K |
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|
Mar 04, 2026 Sell |
Rajeh Maamoun President, Arch Capital Group |
40 600 Value: $0 |
||
|
Mar 04, 2026 Sell |
Gansberg David President, Arch Capital Group |
12 519 Value: $1.23M |
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|
Mar 04, 2026 Sell |
Petrillo Louis T Officer Of Subsidiary |
8 030 Value: $790.3K |
||
|
Mar 03, 2026 Buy |
Papadopoulo Nicolas CEO |
76 243 Value: $7.66M |
||
|
Mar 03, 2026 Buy |
Papadopoulo Nicolas CEO |
21 318 Value: $444.7K |
||
|
Mar 03, 2026 Buy |
Gansberg David President, Arch Capital Group |
24 475 Value: $2.46M |
||
|
Mar 03, 2026 Buy |
Petrillo Louis T Officer Of Subsidiary |
2 889 Value: $60.3K |
||
|
Mar 03, 2026 Buy |
Todd Christine Chief Investment Officer |
6 305 Value: $633.5K |
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|
Mar 03, 2026 Buy |
Todd Christine Chief Investment Officer |
14 238 Value: $1.43M |
||
|
Mar 03, 2026 Buy |
Todd Christine Chief Investment Officer |
3 981 Value: $83.0K |
||
|
Mar 03, 2026 Buy |
Rajeh Maamoun President, Arch Capital Group |
24 475 Value: $2.46M |
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|
Mar 03, 2026 Buy |
Rajeh Maamoun President, Arch Capital Group |
6 843 Value: $142.7K |
||
|
Mar 03, 2026 Buy |
Petrillo Louis T Officer Of Subsidiary |
10 331 Value: $1.04M |
||
|
Mar 03, 2026 Buy |
Morin Francois CFO And Treasurer |
5 329 Value: $111.2K |
||
|
Mar 03, 2026 Buy |
Morin Francois CFO And Treasurer |
19 061 Value: $1.92M |
||
|
Mar 03, 2026 Buy |
Gansberg David President, Arch Capital Group |
6 843 Value: $142.7K |
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|
Feb 27, 2026 Sell |
Gansberg David President, Arch Capital Group |
553 Value: $55.4K |
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Feb 27, 2026 Sell |
Petrillo Louis T Officer Of Subsidiary |
312 Value: $31.2K |
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|
Feb 24, 2026 Buy |
Morin Francois CFO And Treasurer |
27 432 Value: $578.8K |
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|
Feb 24, 2026 Sell |
Gansberg David President, Arch Capital Group |
509 Value: $50.5K |
||
|
Feb 24, 2026 Buy |
Gansberg David President, Arch Capital Group |
28 546 Value: $602.3K |
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|
Feb 24, 2026 Sell |
Petrillo Louis T Officer Of Subsidiary |
412 Value: $40.9K |
||
|
Feb 24, 2026 Buy |
Petrillo Louis T Officer Of Subsidiary |
17 136 Value: $361.6K |
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|
Feb 24, 2026 Buy |
Todd Christine Chief Investment Officer |
25 046 Value: $528.5K |
About Insider Power
Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.
It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.
While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.
* October 6th, 2025 - Tested on 5562 stocks
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