| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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Senior EVP, Production Center | Senior EVP, Production Center | EVP, Production Center +1 more
1 company
Zhou Rong is a Senior EVP, Production Center at Amphastar Pharmaceuticals, Inc.. Recent SEC Form 4 filings include 0 buys and 14 sells.
Estimated insider holdings value: $3.4M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb 8, 2022 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 7,000 | $26.77 | $187,390.00 | -8.4% | +19.8% | +15.5% | |
| Jan 10, 2022 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 20,928 | $25.36 | $530,683.78 | -11.4% | +59.7% | +8.8% | |
| Nov 11, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 7,813 | $21.67 | $169,307.71 | -8.6% | +23.1% | +33.7% | |
| Aug 2, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 9,123 | $21.24 | $193,734.20 | -9.9% | -11.1% | +76.0% | |
| Jul 26, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 6,000 | $20.87 | $125,220.00 | -6.5% | -7.7% | +79.4% | |
| Jul 20, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 5,187 | $20.57 | $106,696.59 | -5.7% | -5.6% | +76.6% | |
| Jun 9, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 12,912 | $19.43 | $250,829.22 | -6.8% | -4.5% | +53.3% | |
| May 14, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 18,119 | $19.71 | $357,170.36 | -8.9% | -2.2% | +77.0% | |
| Jun 4, 2020 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 22,969 | $18.98 | $435,854.78 | -12.6% | - | - | |
| May 6, 2019 | AMPH Amphastar Pharmaceuticals, Inc. | EVP, Production Center | Sale+OE | 9,600 | $22.76 | $218,496.00 | -14.4% | - | - |