InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
7
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the detailed record of transactions filed by Prins Richard K, Director. Director active across 6 companies, notably Amphastar Pharmaceuticals, Inc.. In total, 36 disclosures have been recorded. Split: 0 buy · 7 sells. Total volume traded: €1.7m. History available since 11 May 2021. The latest transaction was filed on 11 August 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Prins Richard K
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations36 total
7,973 shares@ US$20.30Common StockSEC:0001047579-26-000005:0
1,500 shares0Common StockSEC:0001047579-26-000003:0
8,143 shares0Common StockSEC:0001047579-26-000003:1
100,000 shares0Common StockSEC:0001185185-26-001286:0
70,000 shares0Common StockSEC:0001185185-26-001286:1
100,000 shares0Common StockSEC:0001185185-26-000218:0
4,179 shares@ US$16.692.7% of flowCommon StockSEC:0001047579-25-000006:0
4,179 shares@ US$27.10064.4% of flowCommon StockSEC:0001047579-25-000006:1
5,122 shares0Common StockSEC:0001415889-25-015660:0
10,000 shares@ US$19.528.4% of flowCommon StockSEC:0001415889-24-029033:0
2,500 shares@ US$16.691.8% of flowCommon StockSEC:0001415889-24-026756:0
3,915 shares@ US$20.033.2% of flowCommon StockSEC:0001415889-24-021242:0
6,004 shares@ US$20.085.0% of flowCommon StockSEC:0001415889-24-021242:1
7,182 shares@ US$19.525.8% of flowCommon StockSEC:0001415889-24-021242:2
17,101 shares@ US$43.070630.5% of flowCommon StockSEC:0001415889-24-021242:3
200,000 shares0Common StockSEC:0001185185-24-000776:0
3,076 shares0Common StockSEC:0001415889-24-015633:0
100,000 shares0Common StockSEC:0001185185-24-000261:0
4,000 shares@ US$55.86149.3% of flowCommon StockSEC:0001104659-23-119974:0
5,000 shares@ US$52.5011.1% of flowCommon StockSEC:0001104659-23-118700:0
2,000 shares@ US$52.50284.4% of flowCommon StockSEC:0001104659-23-093905:0
4,163 shares@ US$57.38929.9% of flowCommon StockSEC:0001104659-23-092758:0
100,000 shares0Common StockSEC:0001185185-23-000666:0
2,716 shares0Common StockSEC:0001104659-23-069016:0
5,000 shares@ US$16.693.5% of flowCommon StockSEC:0001104659-23-061526:0
25 of 36 declarations
About Prins Richard K
PRINS RICHARD K is Director at Amphastar Pharmaceuticals, Inc., IGC Pharma, Inc. and India Globalization Capital, Inc. He has filed 35 disclosures in total, and among the sampled recent filings, sales total EUR 1538887 over the period from 2016-02-03 to 2026-06-03, with Levée d'options as the most frequent transaction type.
