Dunbar Webster Roy

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Director at HUMANA INC · on record since Jan 5, 2006
Director at ELECTRONIC DATA SYSTEMS CORP /DE/ · on record since May 31, 2006
Director at IGATE CORP · on record since Nov 4, 2010
Director at LEXMARK INTERNATIONAL INC /KY/ · on record since May 2, 2011
Director at Duke Energy CORP · on record since May 11, 2026
Director at SiteOne Landscape Supply, Inc. · on record since May 14, 2026
Director at JOHNSON CONTROLS INC · on record since Jun 16, 2017
President Technology Operation at Mastercard Inc · on record since Feb 10, 2005
Director at MCKESSON CORP · on record since May 11, 2022

Insider trading activity of Dunbar Webster Roy

Transactions on record: 404; since Nov 2, 2004

Purchases: 2; $2.1M

Sales: 259; $22.1M

Companies traded: 9; last filing Jul 23, 2026

Figures computed from official regulatory filings — .

Companies where Dunbar Webster Roy has traded

MCKESSON CORP6 tx · Jul 23, 2026
SiteOne Landscape Supply, Inc.11 tx · May 14, 2026
Duke Energy CORP6 tx · $1.1M · May 11, 2026
JOHNSON CONTROLS INC19 tx · $1.1M · Mar 6, 2026
HUMANA INC41 tx · $3M · Jan 3, 2020
LEXMARK INTERNATIONAL INC /KY/28 tx · Nov 30, 2016
15 tx · $5.4M · Jul 1, 2015
15 tx · $131.7K · Aug 28, 2008
263 tx · $24.2M · Mar 5, 2008

Track record of Dunbar Webster Roy

Insufficient history for a statistical track record (fewer than 5 purchases).

Transaction history of Dunbar Webster Roy

Co-insiders of Dunbar Webster Roy

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MCKESSON CORPListing on record	Jul 23, 2026	AwardD (derivative)	277	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 14, 2026	Award	1,186	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 11, 2026	AwardD (derivative)	1,602	124.87 USD	$200K		SEC
JOHNSON CONTROLS INCListing unverified	Mar 6, 2026	Award	1,285	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 6, 2026	Other	-1,115	140.00 USD	$156.1K		SEC
MCKESSON CORPListing on record	Jul 31, 2025	AwardD (derivative)	301	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 16, 2025	Award	1,125	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 5, 2025	AwardD (derivative)	1,607	121.33 USD	$195K	Unusual size	SEC
JOHNSON CONTROLS INCListing unverified	Mar 14, 2025	Other	-1,416	78.68 USD	$111.4K		SEC
JOHNSON CONTROLS INCListing unverified	Mar 14, 2025	Award	2,287	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MCKESSON CORPListing on record	Aug 1, 2024	AwardD (derivative)	349	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 13, 2024	AwardD (derivative)	1,698.7	103.02 USD	$175K	Unusual size	SEC
SiteOne Landscape Supply, Inc.Listing on record	May 9, 2024	Award	865	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 14, 2024	Award	2,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 11, 2024	Other	-1,401	61.73 USD	$86.5K		SEC
MCKESSON CORPListing on record	Jul 25, 2023	AwardD (derivative)	483	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 15, 2023	Award	878	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 8, 2023	AwardD (derivative)	1,783.71	98.11 USD	$175K	Unusual size	SEC
JOHNSON CONTROLS INCListing unverified	Mar 13, 2023	Award	2,843	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 9, 2023	Exercise	-1,372	63.46 USD	$87.1K		SEC
MCKESSON CORPListing on record	Jul 26, 2022	AwardD (derivative)	606	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 13, 2022	Award	960	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MCKESSON CORPListing on record	May 11, 2022	AwardD (derivative)	169	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 9, 2022	AwardD (derivative)	1,590.19	110.05 USD	$175K	Unusual size	SEC
JOHNSON CONTROLS INCListing unverified	Mar 11, 2022	Award	2,786	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MCKESSON CORPListing on record	Jul 23, 2026	AwardD (derivative)	277	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 14, 2026	Award	1,186	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 11, 2026	AwardD (derivative)	1,602	124.87 USD	$200K		SEC
JOHNSON CONTROLS INCListing unverified	Mar 6, 2026	Award	1,285	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 6, 2026	Other	-1,115	140.00 USD	$156.1K		SEC
MCKESSON CORPListing on record	Jul 31, 2025	AwardD (derivative)	301	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 16, 2025	Award	1,125	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 5, 2025	AwardD (derivative)	1,607	121.33 USD	$195K	Unusual size	SEC
JOHNSON CONTROLS INCListing unverified	Mar 14, 2025	Other	-1,416	78.68 USD	$111.4K		SEC
JOHNSON CONTROLS INCListing unverified	Mar 14, 2025	Award	2,287	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MCKESSON CORPListing on record	Aug 1, 2024	AwardD (derivative)	349	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 13, 2024	AwardD (derivative)	1,698.7	103.02 USD	$175K	Unusual size	SEC
SiteOne Landscape Supply, Inc.Listing on record	May 9, 2024	Award	865	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 14, 2024	Award	2,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 11, 2024	Other	-1,401	61.73 USD	$86.5K		SEC
MCKESSON CORPListing on record	Jul 25, 2023	AwardD (derivative)	483	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 15, 2023	Award	878	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 8, 2023	AwardD (derivative)	1,783.71	98.11 USD	$175K	Unusual size	SEC
JOHNSON CONTROLS INCListing unverified	Mar 13, 2023	Award	2,843	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
JOHNSON CONTROLS INCListing unverified	Mar 9, 2023	Exercise	-1,372	63.46 USD	$87.1K		SEC
MCKESSON CORPListing on record	Jul 26, 2022	AwardD (derivative)	606	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SiteOne Landscape Supply, Inc.Listing on record	May 13, 2022	Award	960	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MCKESSON CORPListing on record	May 11, 2022	AwardD (derivative)	169	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Duke Energy CORPListing on record	May 9, 2022	AwardD (derivative)	1,590.19	110.05 USD	$175K	Unusual size	SEC
JOHNSON CONTROLS INCListing unverified	Mar 11, 2022	Award	2,786	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC