RICHARD K PRINS

CIK 1047579 · last filed 2026-06-03

RICHARD K PRINS is a corporate insider who has filed 72 SEC Form 4 insider transactions across 3 companies since 2009. The most recent filing, for AMPH, was dated Jun 3, 2026. Across all open-market trades the lifetime net is −$7.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.0M 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

$1.02M

Companies

3

Total Filings

72

Lifetime Open-Market Net

-$7.81M

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
AMPH Director 29,455 $20.09 $591.8K -$7.46M 47 2026-06-03
IGC Director 1,541,251 $0.28 $431.6K -$347.3K 18 2026-04-06
IGC Pharma, Inc. (IGC.WS) Delisted Director 43,500 $0 7 2015-05-13

Recent Filings

72 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-03 AMPH Mixed +6,643 $0 EDGAR
2026-04-06 IGC Exer (M) +170,000 $0 EDGAR
2026-01-20 IGC Exer (M) +100,000 $0 EDGAR
2025-11-25 AMPH Mixed -$43.5K EDGAR
2025-10-22 IGC Grant (A) $0 EDGAR
2025-06-04 AMPH Grant (A) +5,122 $0 EDGAR
2024-12-11 AMPH Mixed −410 -$242.5K EDGAR
2024-11-13 AMPH Mixed −3,500 -$202.3K EDGAR
2024-08-13 AMPH Mixed -$397.4K EDGAR
2024-08-12 IGC Gift (G) −200,000 $0 EDGAR
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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.