| 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 |
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Director
1 company
Petersen Floyd F. is a Director at Amphastar Pharmaceuticals, Inc.. Recent SEC Form 4 filings include 0 buys and 11 sells.
Estimated insider holdings value: $1.4M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 4,163 | $25.82 | $107,508.28 | -2.8% | |
| Nov 13, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sale+OE | 16,679 | $26.49 | $441,836.72 | -18.1% | |
| Nov 3, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $25.27 | $12,633.10 | -0.7% | |
| Oct 1, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $27.20 | $13,602.40 | -0.7% | |
| Sep 2, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $30.98 | $15,491.65 | -0.6% | |
| Aug 1, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $20.83 | $10,415.75 | -0.6% | |
| Jul 2, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $23.47 | $11,733.95 | -0.6% | |
| Jun 2, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $25.67 | $12,835.05 | -0.7% | |
| May 1, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $24.08 | $12,041.45 | -0.7% | |
| Apr 1, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | Director | Sell | 500 | $28.38 | $14,190.25 | -0.7% |