| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| 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 18 sells.
Estimated insider holdings value: $3.5M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 4, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 4,231 | $27.54 | $116,515.39 | -4.2% | -8.1% | -27.7% | |
| Nov 6, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 7,426 | $52.05 | $386,523.30 | -7.3% | -37.8% | -54.6% | |
| Jul 31, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 10,282 | $44.23 | $454,772.86 | -9.9% | +17.5% | -51.9% | |
| Jun 27, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sell | 3,596 | $40.93 | $147,169.15 | -1.9% | +15.8% | -42.8% | |
| Mar 6, 2024 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 18,136 | $46.48 | $842,883.11 | -5.1% | -8.8% | -38.8% | |
| Nov 14, 2023 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 59,250 | $55.67 | $3,298,474.68 | -14.0% | -0.5% | -19.2% | |
| Sep 6, 2023 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 60,743 | $51.75 | $3,143,195.16 | -23.1% | +11.9% | -12.7% | |
| Jun 15, 2023 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 36,868 | $50.85 | $1,874,789.72 | -9.4% | -11.4% | -22.5% | |
| Jun 2, 2023 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 11,000 | $46.35 | $509,858.80 | -9.4% | +14.2% | -9.4% | |
| May 18, 2023 | AMPH Amphastar Pharmaceuticals, Inc. | CFO, EVP &Treasurer | Sale+OE | 10,500 | $44.35 | $465,675.00 | -9.1% | +27.9% | -0.8% |