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START FREE TRIAL →Rong Zhou, a EVP, Production Center, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 17 open-market SEC Form 4 transactions: 0 purchases worth $0 and 17 sales worth $4.3M, reported from Jul 26, 21 to Dec 17, 25. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 17, 25 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 9.8K | $26.20 | $256K |
| Dec 13, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 8.0K | $45.23 | $362K |
| Dec 12, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 7.0K | $44.43 | $311K |
| Nov 12, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 6.9K | $48.88 | $337K |
| Sep 13, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 3.0K | $48.26 | $145K |
| Aug 26, 24 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 4.0K | $48.35 | $193K |
| Dec 4, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 3.5K | $59.58 | $209K |
| Dec 1, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 4.3K | $58.58 | $253K |
| Jun 15, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.0K | $51.79 | $259K |
| Jun 13, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 5.0K | $48.24 | $241K |
| May 18, 23 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 10.0K | $44.21 | $442K |
| Feb 25, 22 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 13.2K | $28.77 | $381K |
| Feb 8, 22 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 7.0K | $26.77 | $187K |
| Jan 10, 22 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 10.7K | $25.77 | $266K |
| Nov 11, 21 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 7.8K | $21.67 | $169K |
| Aug 2, 21 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 9.1K | $21.24 | $194K |
| Jul 26, 21 | AMPHAmphastar Pharmaceuticals, Inc. | SELL | 6.0K | $20.87 | $125K |