WYSZOMIERSKI JACK L

Director at EXELIXIS, INC. · on record since May 3, 2006
Director at ATHERSYS, INC / NEW · on record since Jun 21, 2010
Director at XOMA Royalty Corp · on record since Aug 26, 2010
Director at UNIGENE LABORATORIES INC · on record since Apr 4, 2012
Executive Vice President at Merck & Co., Inc. · on record since Dec 3, 2003
Director at SiteOne Landscape Supply, Inc. · on record since May 14, 2026

Insider trading activity of WYSZOMIERSKI JACK L

Transactions on record: 171; since Dec 3, 2003

Open-market buys: 1; $105K

Open-market sells: 14; $7.7M

Companies traded: 6; last filing Jul 14, 2026

Figures computed from official regulatory filings — .

Companies where WYSZOMIERSKI JACK L has traded

XOMA Royalty Corp57 tx · $440.1K · Jul 14, 2026
EXELIXIS, INC.74 tx · $10.3M · Jun 3, 2026
SiteOne Landscape Supply, Inc.12 tx · $105K · May 14, 2026
ATHERSYS, INC / NEW17 tx · Jan 11, 2023
UNIGENE LABORATORIES INC8 tx · $28.1K · May 3, 2013
Merck & Co., Inc.3 tx · $177.1K · Dec 3, 2003

Track record of WYSZOMIERSKI JACK L

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

Transaction history of WYSZOMIERSKI JACK L

Co-insiders of WYSZOMIERSKI JACK L

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-8,167	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-2,366	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-8,996	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-5,052	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-5,101	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	Other	-21,828	—	n/a (No price was disclosed in the filing)		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-10,967	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-6,152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	Jun 3, 2026	Sell	-3,925	50.55 USD	$198.4K		SEC
EXELIXIS, INC.Listing on record	May 29, 2026	Award	8,367	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	May 26, 2026	Award	3,586	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
XOMA Royalty CorpSecurity delisted	Mar 26, 2026	Exercise	3,026	11.20 USD	$33.9K		SEC
XOMA Royalty CorpSecurity delisted	Mar 26, 2026	ExerciseD (derivative)	-3,026	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	Feb 20, 2026	Sell	-99,574	44.01 USD	$4.4M	Unusual size	SEC
EXELIXIS, INC.Listing on record	Feb 20, 2026	ExerciseD (derivative)	-20,634	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	Feb 20, 2026	Exercise	20,634	19.77 USD	$407.9K	Unusual size	SEC
EXELIXIS, INC.Listing on record	Jun 4, 2025	Sell	-7,535	43.09 USD	$324.7K		SEC
EXELIXIS, INC.Listing on record	May 30, 2025	Award	9,812	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	May 23, 2025	Award	5,971	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
EXELIXIS, INC.Listing on record	Feb 28, 2025	Exercise	15,874	20.50 USD	$325.4K	Unusual size	SEC
EXELIXIS, INC.Listing on record	Feb 28, 2025	Sell	-8,768	37.80 USD	$331.4K		SEC
EXELIXIS, INC.Listing on record	Feb 28, 2025	ExerciseD (derivative)	-15,874	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
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-8,167	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-2,366	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-8,996	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-5,052	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-5,101	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	Other	-21,828	—	n/a (No price was disclosed in the filing)		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-10,967	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	Jul 14, 2026	OtherD (derivative)	-6,152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	Jun 3, 2026	Sell	-3,925	50.55 USD	$198.4K		SEC
EXELIXIS, INC.Listing on record	May 29, 2026	Award	8,367	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	May 26, 2026	Award	3,586	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
XOMA Royalty CorpSecurity delisted	Mar 26, 2026	Exercise	3,026	11.20 USD	$33.9K		SEC
XOMA Royalty CorpSecurity delisted	Mar 26, 2026	ExerciseD (derivative)	-3,026	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	Feb 20, 2026	Sell	-99,574	44.01 USD	$4.4M	Unusual size	SEC
EXELIXIS, INC.Listing on record	Feb 20, 2026	ExerciseD (derivative)	-20,634	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXELIXIS, INC.Listing on record	Feb 20, 2026	Exercise	20,634	19.77 USD	$407.9K	Unusual size	SEC
EXELIXIS, INC.Listing on record	Jun 4, 2025	Sell	-7,535	43.09 USD	$324.7K		SEC
EXELIXIS, INC.Listing on record	May 30, 2025	Award	9,812	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
XOMA Royalty CorpSecurity delisted	May 23, 2025	Award	5,971	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
EXELIXIS, INC.Listing on record	Feb 28, 2025	Exercise	15,874	20.50 USD	$325.4K	Unusual size	SEC
EXELIXIS, INC.Listing on record	Feb 28, 2025	Sell	-8,768	37.80 USD	$331.4K		SEC
EXELIXIS, INC.Listing on record	Feb 28, 2025	ExerciseD (derivative)	-15,874	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC