// company-profile
Amphastar Pharmaceuticals, Inc.
AMPHExchange: NasdaqSector: Pharmaceutical PreparationsFilings: 105Insiders: 12
// activity-summary
No insider transactions in the last 30 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 15, 2026 | Zhang Jack Y. | AMPH | Tax Withholding | 9,784 | $18.18 | $178K |
| Mar 15, 2026 | Liawatidewi Yakob | AMPH | Tax Withholding | 1,033 | $18.18 | $19K |
| Mar 15, 2026 | Zhou Rong | AMPH | Tax Withholding | 1,225 | $18.18 | $22K |
| Mar 15, 2026 | Zhang Jack Y. | AMPH | Tax Withholding | 2,908 | $18.18 | $53K |
| Mar 15, 2026 | PETERS WILLIAM J | AMPH | Tax Withholding | 1,973 | $18.18 | $36K |
45 more transactions hidden
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