McCollum Mark A.

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	Halliburton Co	48,123,187.75	Sep 12, 2006 – Feb 27, 2017
insider of	Weatherford International plc	393,330.45	Apr 24, 2017 – Dec 13, 2019
insider of	Oneok Inc /new/	226,722.75	Jan 23, 2026 – May 20, 2026
insider of	Inc. Archrock	156,290.75	May 28, 2009 – Apr 26, 2018

Source coverage

sec insider: 0001215888

McCollum Mark A. — Influence Profile | Poliscope