BARKER SAM L

Director at LEXICON PHARMACEUTICALS, INC. · on record since Feb 17, 2006
Director at CADENCE PHARMACEUTICALS INC · on record since Oct 24, 2006
Director at ATHEROGENICS INC · on record since May 21, 2007
Director at Bio Green Med Solution, Inc. · on record since Sep 11, 2014

Insider trading activity of BARKER SAM L

Transactions on record: 122; since May 24, 2004

Open-market buys: 31; $294.1K

Open-market sells: 3; $1.1K

Companies traded: 4; last filing Jun 4, 2026

Figures computed from official regulatory filings — .

Companies where BARKER SAM L has traded

LEXICON PHARMACEUTICALS, INC.70 tx · $187.4K · Jun 4, 2026
Bio Green Med Solution, Inc.16 tx · $14.3K · Jul 3, 2023
CADENCE PHARMACEUTICALS INC29 tx · $1.4M · Mar 21, 2014
ATHEROGENICS INC7 tx · $10.8K · Feb 5, 2009

Track record of BARKER SAM L

Statistical track record

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Open-market buys: 31

Last buy: Aug 24, 2021

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Transaction history of BARKER SAM L

Co-insiders of BARKER SAM L

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 4, 2026	ExerciseD (derivative)	-89,312	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 4, 2026	Exercise	89,312	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 4, 2026	AwardD (derivative)	43,478	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 4, 2026	AwardD (derivative)	35,714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 3, 2025	AwardD (derivative)	103,806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 3, 2025	AwardD (derivative)	89,312	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2025	ExerciseD (derivative)	-36,810	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2025	Exercise	36,810	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2024	AwardD (derivative)	36,810	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2024	AwardD (derivative)	44,906	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 29, 2024	ExerciseD (derivative)	-8,032	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 29, 2024	Exercise	8,032	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jul 3, 2023	AwardD (derivative)	42,438	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jul 3, 2023	Award	21,219	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 22, 2023	ExerciseD (derivative)	-9,302	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 22, 2023	Exercise	9,302	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 28, 2023	AwardD (derivative)	8,032	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 28, 2023	AwardD (derivative)	12,658	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jun 16, 2022	Award	15,822	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jun 16, 2022	AwardD (derivative)	31,645	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 23, 2022	AwardD (derivative)	9,302	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 23, 2022	AwardD (derivative)	14,402	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 2, 2022	ExerciseD (derivative)	-4,024	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 2, 2022	Exercise	4,024	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Dec 2, 2021	Sell	-12	3.57 USD	$42.8	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 4, 2026	ExerciseD (derivative)	-89,312	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 4, 2026	Exercise	89,312	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 4, 2026	AwardD (derivative)	43,478	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 4, 2026	AwardD (derivative)	35,714	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 3, 2025	AwardD (derivative)	103,806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Jun 3, 2025	AwardD (derivative)	89,312	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2025	ExerciseD (derivative)	-36,810	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2025	Exercise	36,810	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2024	AwardD (derivative)	36,810	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 13, 2024	AwardD (derivative)	44,906	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 29, 2024	ExerciseD (derivative)	-8,032	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 29, 2024	Exercise	8,032	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jul 3, 2023	AwardD (derivative)	42,438	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jul 3, 2023	Award	21,219	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 22, 2023	ExerciseD (derivative)	-9,302	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 22, 2023	Exercise	9,302	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 28, 2023	AwardD (derivative)	8,032	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	Apr 28, 2023	AwardD (derivative)	12,658	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jun 16, 2022	Award	15,822	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Jun 16, 2022	AwardD (derivative)	31,645	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 23, 2022	AwardD (derivative)	9,302	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 23, 2022	AwardD (derivative)	14,402	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 2, 2022	ExerciseD (derivative)	-4,024	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
LEXICON PHARMACEUTICALS, INC.Listing on record	May 2, 2022	Exercise	4,024	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Bio Green Med Solution, Inc.Listing unverified	Dec 2, 2021	Sell	-12	3.57 USD	$42.8	SEC