| 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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CFO, EVP &Treasurer | CFO, EVP &Treasurer | CFO, SVP &Treasurer
1 company
Peters William J is a CFO, EVP &Treasurer at Amphastar Pharmaceuticals, Inc.. Recent SEC Form 4 filings include 0 buys and 13 sells.
Estimated insider holdings value: $3.5M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 7, 2022 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 13,026 | $29.35 | $382,313.10 | -10.9% | +21.9% | +14.8% | |
| Feb 25, 2022 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 23,000 | $28.47 | $654,850.00 | -9.3% | +25.8% | +13.1% | |
| Feb 8, 2022 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 10,000 | $26.95 | $269,500.00 | -8.6% | +19.8% | +15.5% | |
| Jan 10, 2022 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 47,776 | $24.75 | $1,182,622.40 | -12.6% | +59.7% | +8.8% | |
| Dec 30, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 10,000 | $23.40 | $234,000.00 | -8.6% | +57.4% | +21.1% | |
| Dec 21, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 8,256 | $22.40 | $184,934.40 | -7.2% | +59.8% | +30.3% | |
| Dec 16, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 1,744 | $22.40 | $39,065.60 | -1.6% | +57.9% | +32.3% | |
| Nov 11, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 10,000 | $21.33 | $213,300.00 | -8.6% | +23.1% | +33.7% | |
| Aug 16, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sell | 6,589 | $19.35 | $127,524.16 | -5.9% | +9.4% | +68.2% | |
| Jul 7, 2021 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 10,000 | $20.37 | $203,739.00 | -8.2% | -7.4% | +78.9% |