Diane E. Sullivan

CIK: 0001968736

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)4 (40.0%)

Derivative conversions

Awards (A)4 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (20.0%)

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

Companies & Roles (2)

LXRX

LEXICON PHARMACEUTICALS, INC.

Director

$AMARIN CORP PLC\UK logo$

AMRN

AMARIN CORP PLC\UK

Director

Discretionary Trading P&L

Holdings

Transaction History (10 total)

LXRX
LEXICON PHARMACEUTICALS, INC.
Jun 3, 2026
Exercise(M)
Direct
89.3K shares-
LXRX
LEXICON PHARMACEUTICALS, INC.
May 1, 2026
Award(A)
Stock Option (Right to Buy)
Direct
43.5K shares-
LXRX
LEXICON PHARMACEUTICALS, INC.
May 1, 2026
Award(A)
Restricted Stock Units
Direct
35.7K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Apr 18, 2026
Exercise(M)
Direct
838 shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Apr 18, 2026
Tax Payment(F)
Direct
403 shares at avg. $14.98$6K
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-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Apr 18, 2025
Exercise(M)
Direct
838 shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Apr 18, 2025
Tax Payment(F)
Direct
437 shares at avg. $9.11$4K

		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) Stock Option (Right to Buy)	43,478	-	-	Direct
May 1, 2026	LXRX LEXICON PHARMACEUTICALS, INC.	Award(A) Restricted Stock Units	35,714	-	-	Direct
Apr 18, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	838	-	$0	Direct
Apr 18, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	403	$14.98	$6,037	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
Apr 18, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	838	-	-	Direct
Apr 18, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	437	$9.11	$3,981	Direct

1-10 of 10 transactions

About Sullivan Diane E.

Sullivan Diane E. (SEC CIK 0001968736) files insider reports with the SEC as Director of LEXICON PHARMACEUTICALS, INC. (LXRX) and Director of AMARIN CORP PLC\UK (AMRN).

Signal8 holds 6 ownership filings by Sullivan Diane E., all Form 4s, filed between Apr 22, 2025 and Jun 4, 2026. Those filings report 10 transactions, from Apr 18, 2025 to Jun 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Sullivan Diane E.'s filings is in THE WOODLANDS, TX.

Recent filings by Sullivan Diane E.

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).
Apr 18, 2026: Option exercise of AMRN shares (Form 4, code M).
Apr 18, 2026: Tax withholding of AMRN shares (Form 4, code F).
Jun 3, 2025: Grants or awards of LXRX derivative securities (2 lines, Form 4, code A).

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

Swain Judith L, Director
SOBECKI CHRISTOPHER J, Director
Cheung Ivan, Director
BARKER SAM L, Director
Amouyal Philippe, Director
DEBBANE RAYMOND, Director

How to read Form 4 transaction codes