Sennott John Langton JR

person

Unified public record assembled from the source systems listed below. Amounts describe distinct reported activity and are not added into a single influence total.

Political giving

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Political receipts

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Lobbying income

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Lobbying expense

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Federal awards

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Relationships

Connected records

Relationship	Connected entity	Amount / weight	Period
insider of	Alleghany Corp /de	7,181,368.006	May 9, 2013 – Jun 30, 2019
insider of	Darwin Professional Underwriters Inc	6,053,697.38	May 19, 2006 – Oct 20, 2008
insider of	Ategrity Specialty Insurance Co Holdings	499,800	Jun 11, 2025 – Jun 11, 2026
insider of	Allied World Assurance Co Holdings, AG	486,162.5	Nov 19, 2009 – Feb 26, 2012

Source coverage

sec insider: 0001362376

Sennott John Langton JR — Influence Profile | Poliscope