Keith Horn

CIK 1672836 · last filed 2026-04-21

Keith Horn is a corporate insider who has filed 10 SEC Form 4 insider transactions across 2 companies since 2016. The most recent filing, for AMRN, was dated Apr 21, 2026. Current disclosed insider exposure totals $18.9K 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

$18.9K

Companies

2

Total Filings

10

Lifetime Open-Market Net

$0

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 Director 1,239 $15.24 $18.9K $0 4 2026-04-21
NYNY Director 0 $26.43 $0 $0 6 2019-11-18

Recent Filings

10 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-04-21 AMRN Mixed +435 -$6.0K EDGAR
2025-04-22 AMRN Mixed +401 -$4.0K EDGAR
2024-04-19 AMRN Grant (A) $0 EDGAR
2023-07-21 AMRN Grant (A) $0 EDGAR
2019-11-18 NYNY Disp (D) −20,250 -$197.2K EDGAR
2019-05-08 NYNY Grant (A) $0 EDGAR
2018-11-08 NYNY Grant (A) +11,000 $0 EDGAR
2017-11-03 NYNY Grant (A) +4,000 $0 EDGAR
2016-11-03 NYNY Grant (A) +3,000 $0 EDGAR
2016-05-03 NYNY Grant (A) +2,250 $0 EDGAR
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.