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START FREE TRIAL →Richard K Prins, Director, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 13 open-market SEC Form 4 transactions: 0 purchases worth $0 and 13 sales worth $3.3M, reported from Nov 22, 21 to Nov 25, 25. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 25, 25 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 4.2K | $27.10 | $113K |
| Dec 9, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 10.0K | $43.77 | $438K |
| Nov 12, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.0K | $48.80 | $244K |
| Aug 12, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 17.1K | $43.07 | $737K |
| Nov 17, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 4.0K | $55.86 | $223K |
| Nov 13, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.0K | $52.50 | $263K |
| Aug 18, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 2.0K | $52.50 | $105K |
| Aug 15, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 4.2K | $57.39 | $239K |
| May 15, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.0K | $43.50 | $218K |
| May 12, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.0K | $42.06 | $210K |
| Mar 15, 22 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 10.0K | $34.02 | $340K |
| Dec 10, 21 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.3K | $21.36 | $113K |
| Nov 22, 21 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.0K | $21.22 | $106K |