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John Langton Sennott Insider Profile
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John Langton Sennott, SVP & CFO at Alleghany, holds 29.40K shares in Ategrity Specialty Holdings LLC (Ticker: ASIC), holds 5.55K shares in Alleghany (Ticker: Y), holds 23.49K shares in Allied Assurance (Ticker: AWHHF). Most recently, John Langton Sennott Bought ― shares of Ategrity Specialty Holdings LLC on Jun 16, 2025 for an estimated value of $499.80K.
John Langton Sennott Alleghany (Y)SVP & CFO
Alleghany (Y)
SVP & CFO
Not Ranked
John Langton Sennott has not reported sufficient informative transactions and therefore cannot be ranked.
Time Frame
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Insider Holdings
100.00%
A breakdown of John Langton Sennott's holdings
Insider Roles
Director
Roles that John Langton Sennott holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Buy
Date:Jun 16, 2025 - Today
Return:-3.50%
The most profitable trade made by John Langton Sennott
John Langton Sennott's Trading History
Alleghany
Feb 28, 2018
―
Uninformative Buy
1.12M
$4.70M
Ategrity Specialty Holdings LLC
Jun 16, 2025
Director
Informative Buy
499.80K
$658.85K
Allied Assurance
Feb 28, 2012
―
Uninformative Buy
34.13K
$1.21M
List of latest transactions for each holding click on a transaction to see John Langton Sennott's performance on stock
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John Langton Sennott insider profile FAQ
What is the percentage of profitable transactions made by John Langton Sennott?
The percentage of profitable transactions made by John Langton Sennott is ―.
What is the average return per transaction made by John Langton Sennott?
The average return per transaction made by John Langton Sennott is ―.
What stocks does John Langton Sennott hold?
John Langton Sennott holds: Y, ASIC, AWHHF stocks.
What was John Langton Sennott’s latest transaction?
John Langton Sennott latest transaction was an Informative Buy of $499.80K.
What was John Langton Sennott's most profitable transaction?
John Langton Sennott’s most profitable transaction was an Informative Buy of ASIC stock on June 16, 2025. The return on the trade was -3.50%.
What is John Langton Sennott's role in Alleghany?
John Langton Sennott's role in Alleghany is SVP & CFO.
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