WILKERSON SONJA MICHELLE

VP, Human Resources at VITRIA TECHNOLOGY INC · on record since Aug 28, 2003
Director at Koppers Holdings Inc. · on record since May 11, 2026
Former VP, Human Resources at VITRIA TECHNOLOGY INC · on record since Nov 30, 2004

Insider trading activity of WILKERSON SONJA MICHELLE

Transactions on record: 38; since Aug 28, 2003

Open-market buys: 0

Open-market sells: 1; $36.6K

Companies traded: 2; last filing Sep 15, 2026

Figures computed from official regulatory filings — .

Companies where WILKERSON SONJA MICHELLE has traded

Koppers Holdings Inc.31 tx · Sep 15, 2026
VITRIA TECHNOLOGY INC7 tx · $102.9K · Nov 30, 2004

Track record of WILKERSON SONJA MICHELLE

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of WILKERSON SONJA MICHELLE

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Koppers Holdings Inc.Listing on record	Sep 15, 2026	AwardD (derivative)	29.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Jun 17, 2026	AwardD (derivative)	30.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 11, 2026	AwardD (derivative)	3,280	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 25, 2026	AwardD (derivative)	25.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 25, 2026	AwardD (derivative)	50	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Dec 17, 2025	AwardD (derivative)	28.34	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Sep 17, 2025	AwardD (derivative)	28.26	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 9, 2025	AwardD (derivative)	4,778	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 26, 2025	AwardD (derivative)	22.2	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 26, 2025	AwardD (derivative)	17	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	Other	-3,533	—	n/a (No price was disclosed in the filing)	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	AwardD (derivative)	3,513	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	AwardD (derivative)	20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	AwardD (derivative)	20.22	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Dec 17, 2024	AwardD (derivative)	9.4	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Sep 18, 2024	AwardD (derivative)	8.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Jun 12, 2024	AwardD (derivative)	7.38	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 6, 2024	Exercise	20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 6, 2024	AwardD (derivative)	2,079	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 6, 2024	ExerciseD (derivative)	-20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 27, 2024	AwardD (derivative)	20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 27, 2024	AwardD (derivative)	5.65	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Sep 13, 2023	AwardD (derivative)	6.97	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Jun 14, 2023	AwardD (derivative)	7.94	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 8, 2023	Award	3,513	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	Src
Koppers Holdings Inc.Listing on record	Sep 15, 2026	AwardD (derivative)	29.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Jun 17, 2026	AwardD (derivative)	30.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 11, 2026	AwardD (derivative)	3,280	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 25, 2026	AwardD (derivative)	25.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 25, 2026	AwardD (derivative)	50	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Dec 17, 2025	AwardD (derivative)	28.34	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Sep 17, 2025	AwardD (derivative)	28.26	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 9, 2025	AwardD (derivative)	4,778	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 26, 2025	AwardD (derivative)	22.2	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 26, 2025	AwardD (derivative)	17	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	Other	-3,533	—	n/a (No price was disclosed in the filing)	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	AwardD (derivative)	3,513	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	AwardD (derivative)	20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 11, 2025	AwardD (derivative)	20.22	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Dec 17, 2024	AwardD (derivative)	9.4	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Sep 18, 2024	AwardD (derivative)	8.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Jun 12, 2024	AwardD (derivative)	7.38	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 6, 2024	Exercise	20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 6, 2024	AwardD (derivative)	2,079	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 6, 2024	ExerciseD (derivative)	-20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 27, 2024	AwardD (derivative)	20	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Mar 27, 2024	AwardD (derivative)	5.65	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Sep 13, 2023	AwardD (derivative)	6.97	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	Jun 14, 2023	AwardD (derivative)	7.94	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Koppers Holdings Inc.Listing on record	May 8, 2023	Award	3,513	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

WILKERSON SONJA MICHELLE

Insider trading activity of WILKERSON SONJA MICHELLE

Companies where WILKERSON SONJA MICHELLE has traded

Track record of WILKERSON SONJA MICHELLE

Transaction history of WILKERSON SONJA MICHELLE

Co-insiders of WILKERSON SONJA MICHELLE

WILKERSON SONJA MICHELLE

Insider trading activity of WILKERSON SONJA MICHELLE

Companies where WILKERSON SONJA MICHELLE has traded

Track record of WILKERSON SONJA MICHELLE

Transaction history of WILKERSON SONJA MICHELLE

Co-insiders of WILKERSON SONJA MICHELLE