Sam L. Barker

CIK: 0001226877

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (33.3%)

Derivative conversions

Awards (A)4 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

LXRX

LEXICON PHARMACEUTICALS, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

LXRX
LEXICON PHARMACEUTICALS, INC.
Jun 3, 2026
Exercise(M)
Direct
89.3K shares-
LXRX
LEXICON PHARMACEUTICALS, INC.
May 1, 2026
Award(A)
Restricted Stock Units
Direct
35.7K shares-
LXRX
LEXICON PHARMACEUTICALS, INC.
May 1, 2026
Award(A)
Stock Option (Right to Buy)
Direct
43.5K shares-
LXRX
LEXICON PHARMACEUTICALS, INC.
Jun 3, 2025
Award(A)
Stock Option (Right to Buy)
Direct
103.8K shares-
LXRX
LEXICON PHARMACEUTICALS, INC.
Jun 3, 2025
Award(A)
Restricted Stock Units
Direct
89.3K shares-
LXRX
LEXICON PHARMACEUTICALS, INC.
May 13, 2025
Exercise(M)
Direct
36.8K shares-

		Type	Shares	Price		Ownership
Jun 3, 2026	LXRX LEXICON PHARMACEUTICALS, INC.	Exercise(M)	89,312	-	$0	Direct
May 1, 2026	LXRX LEXICON PHARMACEUTICALS, INC.	Award(A) Restricted Stock Units	35,714	-	-	Direct
May 1, 2026	LXRX LEXICON PHARMACEUTICALS, INC.	Award(A) Stock Option (Right to Buy)	43,478	-	-	Direct
Jun 3, 2025	LXRX LEXICON PHARMACEUTICALS, INC.	Award(A) Stock Option (Right to Buy)	103,806	-	-	Direct
Jun 3, 2025	LXRX LEXICON PHARMACEUTICALS, INC.	Award(A) Restricted Stock Units	89,312	-	-	Direct
May 13, 2025	LXRX LEXICON PHARMACEUTICALS, INC.	Exercise(M)	36,810	-	-	Direct

1-6 of 6 transactions

About BARKER SAM L

BARKER SAM L (SEC CIK 0001226877) files insider reports with the SEC as Director of LEXICON PHARMACEUTICALS, INC. (LXRX).

Signal8 holds 4 ownership filings by BARKER SAM L, all Form 4s, filed between May 13, 2025 and Jun 4, 2026. Those filings report 6 transactions, from May 13, 2025 to Jun 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on BARKER SAM L's filings is in THE WOODLANDS, TX.

Recent filings by BARKER SAM L

Jun 3, 2026: Option exercise of LXRX shares (Form 4, code M).
May 1, 2026: Grants or awards of LXRX derivative securities (2 lines, Form 4, code A).
Jun 3, 2025: Grants or awards of LXRX derivative securities (2 lines, Form 4, code A).
May 13, 2025: Option exercise of LXRX shares (Form 4, code M).

Other insiders filing for LEXICON PHARMACEUTICALS, INC. (LXRX)

Swain Judith L, Director
Sullivan Diane E., Director
SOBECKI CHRISTOPHER J, Director
Cheung Ivan, Director
Amouyal Philippe, Director
DEBBANE RAYMOND, Director

How to read Form 4 transaction codes