Steven B Ketchum

CIK 1289884 · EVP, Chief Scientific Officer · last filed 2026-02-03

Steven B Ketchum is an EVP, Chief Scientific Officer who has filed 87 SEC Form 4 insider transactions across 3 companies since 2008. The most recent filing, for AMRN, was dated Feb 3, 2026. Across all open-market trades the lifetime net is −$24.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $623.0K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$623.0K

Companies

3

Total Filings

87

Lifetime Open-Market Net

-$24.75M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
AMRN EVP, Chief Scientific Officer 40,879 $15.24 $623.0K -$24.80M 69 2026-02-03
Viracta Therapeutics, Inc. (SNSS) Delisted Director 86,378 $18.62 $1.61M $43.5K 17 2020-07-01
Viracta Therapeutics, Inc. (SNSSD) Delisted Sr. Vice President, R & D 72,921 $0 1 2011-03-02

Recent Filings

87 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-02-03 AMRN Mixed +1,882 -$35.4K EDGAR
2026-01-06 AMRN Mixed +1,647 -$28.5K EDGAR
2025-01-31 AMRN Mixed +76,161 -$58.0K EDGAR
2025-01-10 AMRN Grant (A) $0 EDGAR
2024-08-01 AMRN Mixed +12,120 -$9.2K EDGAR
2024-02-09 AMRN Grant (A) $0 EDGAR
2024-02-02 AMRN Mixed +38,313 -$51.1K EDGAR
2024-01-12 AMRN Mixed +23,230 -$27.4K EDGAR
2024-01-08 AMRN Mixed +6,836 -$6.7K EDGAR
2024-01-02 AMRN Mixed +71,291 $20.5K EDGAR
Showing 110 of 87
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.