Steven B. Ketchum

CIK: 0001289884

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)8 (36.4%)

Derivative conversions

Awards (A)6 (27.3%)

Compensation grants

Other (G, F, J, C, D, …)8 (36.4%)

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

Companies & Roles (1)

$AMARIN CORP PLC\UK logo$

AMRN

AMARIN CORP PLC\UK

Officer

Discretionary Trading P&L

Holdings

Transaction History (22 total)

$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jul 1, 2026
Exercise(M)
Direct
3.7K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jul 1, 2026
Tax Payment(F)
Direct
1.9K shares at avg. $15.94$30K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jul 1, 2026
Award(A)
Restricted Stock Unit
Direct
3.7K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Feb 1, 2026
Award(A)
Restricted Stock Unit
Direct
8K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Feb 1, 2026
Award(A)
Stock Option (right to buy)
Direct
36.1K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2026
Exercise(M)
Direct
2.2K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2026
Tax Payment(F)
Direct
1.2K shares at avg. $15.42$19K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2026
Exercise(M)
Direct
1.9K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2026
Tax Payment(F)
Direct
1.1K shares at avg. $15.42$16K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 2, 2026
Award(A)
Restricted Stock Unit
Direct
3.7K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 2, 2026
Tax Payment(F)
Direct
2K shares at avg. $13.96$28K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 2, 2026
Exercise(M)
Direct
3.7K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2025
Tax Payment(F)
Direct
19.2K shares at avg. $0.62$12K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2025
Exercise(M)
Direct
34.6K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2025
Exercise(M)
Direct
44.9K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2025
Tax Payment(F)
Direct
24.8K shares at avg. $0.62$15K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2025
Exercise(M)
Direct
38.7K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 31, 2025
Tax Payment(F)
Direct
21.1K shares at avg. $0.62$13K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 30, 2025
Tax Payment(F)
Direct
28.4K shares at avg. $0.62$18K
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 30, 2025
Exercise(M)
Direct
51.5K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 30, 2025
Award(A)
Restricted Stock Unit
Direct
51.5K shares-
$AMARIN CORP PLC\UK logo$
AMRN
AMARIN CORP PLC\UK
Jan 10, 2025
Award(A)
Stock Option (right to buy)
Direct
663.9K shares-

		Type	Shares	Price		Ownership
Jul 1, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	3,688	-	$0	Direct
Jul 1, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	1,887	$15.94	$30,079	Direct
Jul 1, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Award(A) Restricted Stock Unit	3,688	-	-	Direct
Feb 1, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Award(A) Restricted Stock Unit	8,013	-	-	Direct
Feb 1, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Award(A) Stock Option (right to buy)	36,060	-	-	Direct
Jan 31, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	2,246	-	$0	Direct
Jan 31, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	1,235	$15.42	$19,044	Direct
Jan 31, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	1,933	-	$0	Direct
Jan 31, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	1,062	$15.42	$16,376	Direct
Jan 2, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Award(A) Restricted Stock Unit	3,688	-	-	Direct
Jan 2, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	2,041	$13.96	$28,492	Direct
Jan 2, 2026	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	3,688	-	$0	Direct
Jan 31, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	19,197	$0.62	$11,902	Direct
Jan 31, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	34,566	-	$0	Direct
Jan 31, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	44,933	-	$0	Direct
Jan 31, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	24,833	$0.62	$15,396	Direct
Jan 31, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	38,667	-	$0	Direct
Jan 31, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	21,093	$0.62	$13,078	Direct
Jan 30, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Tax Payment(F)	28,382	$0.62	$17,597	Direct
Jan 30, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Exercise(M)	51,500	-	$0	Direct
Jan 30, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Award(A) Restricted Stock Unit	51,500	-	-	Direct
Jan 10, 2025	$AMARIN CORP PLC\UK logo$ AMRN AMARIN CORP PLC\UK	Award(A) Stock Option (right to buy)	663,878	-	-	Direct

1-22 of 22 transactions

About Ketchum Steven B

Ketchum Steven B (SEC CIK 0001289884) files insider reports with the SEC as EVP, Chief Scientific Officer of AMARIN CORP PLC\UK (AMRN).

Signal8 holds 5 ownership filings by Ketchum Steven B, all Form 4s, filed between Jan 10, 2025 and Jul 15, 2026. Those filings report 22 transactions, from Jan 10, 2025 to Jul 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ketchum Steven B's filings is in BRIDGEWATER, NJ.

Recent filings by Ketchum Steven B

Jul 1, 2026: Option exercise of AMRN shares (Form 4, code M).
Jul 1, 2026: Tax withholding of AMRN shares (Form 4, code F).
Jul 1, 2026: Grant or award of AMRN derivative securities (Form 4, code A).
Feb 1, 2026: Grants or awards of AMRN derivative securities (2 lines, Form 4, code A).
Jan 31, 2026: Option exercise of AMRN shares (Form 4, code M).

Other insiders filing for AMARIN CORP PLC\UK (AMRN)

Fishman Peter L., SVP, CFO
Keenan David Paul, EVP, Chief Operating Officer
Provoost Jonathan, EVP, Chief Legal Officer
Bonfiglio Patrice Eadon, Director
Cohen Paul, Director
Sterling Louis III, Director

How to read Form 4 transaction codes