InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (6 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
6
T+90 hit rate
43%
T+90 mean return
+8.3%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
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, 37 disclosures have been recorded. Split: 0 buy · 6 sells. Total volume traded: €1.5m. History available since 11 May 2021. The latest transaction was filed on 19 August 2024 (Don). Regulator: SEC (Form 4). All data is openly available.
Declarations37 total
1,500 shares0Common StockSEC:0001047579-26-000003:0
8,143 shares0Common StockSEC:0001047579-26-000003:1
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
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
100,000 shares0Common StockSEC:0001185185-22-000785:0
2,000 shares0Common StockSEC:0001104659-22-071082:0
4,163 shares0Common StockSEC:0001104659-22-071082:1
10,000 shares@ US$17.110.013% mcap15.1% of flowCommon StockSEC:0001104659-22-035186:0
300,000 shares0Common StockSEC:0001185185-21-001878
25 of 37 declarations
About PRINS RICHARD K
Richard K. Prins is an executive at Amphastar Pharmaceuticals, Inc.
