| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Amphastar Pharmaceuticals, Inc. (AMPH) has 11 insiders with recent SEC Form 4 filings, including 0 buys and 11 sells. AMPH is classified in the Pharmaceuticals industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 3.00M | $60.72M | - | |
| CFO | 177.0K | $3.58M | - | |
| VP | 172.8K | $3.50M | - | |
| Dir | 152.0K | $3.08M | - | |
| VP | 122.9K | $2.49M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 17, 2025 | Zhou Rong | Senior EVP, Production Center | Sale+OE | 9,787 | $26.20 | $256,379.27 | -6.6% | - | - | |
| Dec 12, 2025 | Petersen Floyd F. | Director | Sell | 4,163 | $25.82 | $107,508.28 | -2.8% | - | - | |
| Nov 25, 2025 | Prins Richard K | Director | Sale+OE | 4,179 | $27.10 | $113,253.41 | -10.6% | - | - | |
| Nov 13, 2025 | Petersen Floyd F. | Director | Sale+OE | 16,679 | $26.49 | $441,836.72 | -18.1% | +11.0% | - | |
| Nov 3, 2025 | Petersen Floyd F. | Director | Sell | 500 | $25.27 | $12,633.10 | -0.7% | +10.4% | - | |
| Oct 1, 2025 | Petersen Floyd F. | Director | Sell | 500 | $27.20 | $13,602.40 | -0.7% | +0.0% | - | |
| Sep 2, 2025 | Petersen Floyd F. | Director | Sell | 500 | $30.98 | $15,491.65 | -0.6% | -10.9% | - | |
| Aug 1, 2025 | Petersen Floyd F. | Director | Sell | 500 | $20.83 | $10,415.75 | -0.6% | +16.3% | - | |
| Jul 2, 2025 | Petersen Floyd F. | Director | Sell | 500 | $23.47 | $11,733.95 | -0.6% | +13.0% | - | |
| Jun 2, 2025 | Petersen Floyd F. | Director | Sell | 500 | $25.67 | $12,835.05 | -0.7% | +21.4% | - |