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Buy WTM
White Mountains Insurance Group Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -78.57. In total, the insiders bought 29.84K and sold 21.65K WTM 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
|
-78.57 |
| ● Buy | 29.84K shares |
| ● Sell | 21.65K shares |
|
75% Buy Activity
Strong Negative Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
May 23, 2024 Buy |
Shank Suzanne F. Director |
165 Value: $0 |
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|
May 23, 2024 Buy |
Gelston Philip A Director |
165 Value: $0 |
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|
May 23, 2024 Buy |
Dillon Margaret Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Choksi Mary C Director |
165 Value: $0 |
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|
May 23, 2024 Buy |
Carlson Peter M Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Campbell Reid Tarlton Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Hicks Weston M Director |
230 Value: $0 |
||
|
May 23, 2024 Buy |
Hicks Weston M Director |
230 Value: $0 |
||
|
May 23, 2024 Buy |
Campbell Reid Tarlton Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Carlson Peter M Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Choksi Mary C Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Dillon Margaret Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Gelston Philip A Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Shank Suzanne F. Director |
165 Value: $0 |
||
|
May 23, 2024 Buy |
Tanner David Allen Director |
165 Value: $0 |
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|
May 23, 2024 Buy |
Yi Steven Director |
165 Value: $0 |
||
|
Mar 21, 2024 Sell |
Campbell Reid Tarlton Director |
55 Value: $0 |
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|
Mar 21, 2024 Sell |
Campbell Reid Tarlton Director |
55 Value: $0 |
||
|
Feb 22, 2024 Buy |
Rountree George Manning Chief Executive Officer |
1 800 Value: $0 |
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Feb 22, 2024 Buy |
Caffrey Liam P EVP& Chief Financial Officer |
1 125 Value: $0 |
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|
Feb 22, 2024 Buy |
Seelig Robert Lawrence EVP & General Counsel |
900 Value: $0 |
||
|
Feb 22, 2024 Buy |
Campbell Reid Tarlton Director |
45 Value: $0 |
||
|
Feb 22, 2024 Buy |
Hildreth Michaela Md & Chief Accounting Officer |
600 Value: $0 |
||
|
Feb 22, 2024 Buy |
Seelig Robert Lawrence EVP & General Counsel |
900 Value: $0 |
||
|
Feb 22, 2024 Buy |
Caffrey Liam P EVP& Chief Financial Officer |
1 125 Value: $0 |
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
