Zhou Rong
SENIOR EVP, PRODUCTION CENTER · 6 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Tax withholding | 1,225 | $18.18 | $22,270.50 | filing |
| 2026-03-10 | AMPH | Amphastar Pharmaceuticals, Inc. | Tax withholding | 2,215 | $18.91 | $41,885.65 | filing |
| 2026-03-09 | AMPH | Amphastar Pharmaceuticals, Inc. | Award | 39,432 | $0.00 | $0.00 | filing |
| 2026-03-04 | AMPH | Amphastar Pharmaceuticals, Inc. | Tax withholding | 1,124 | $19.96 | $22,435.04 | filing |
| 2025-12-17 | AMPH | Amphastar Pharmaceuticals, Inc. | Sale | 9,787 | $26.20 | $256,379.27 | filing |
| 2025-12-17 | AMPH | Amphastar Pharmaceuticals, Inc. | Option exercise | 9,787 | $11.33 | $110,886.71 | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.