CIK 0001297184 · Large accelerated filer
Amphastar Pharmaceuticals, Inc.
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- AMPH
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 330702205
- Phone
- 909-980-9484
- Business address
- 11570 SIXTH STREET, RANCHO CUCAMONGA, CA, 91730
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $1,232,854
- in 4 filings, $918K under 10b5-1 plans
Net −$1,232,854. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2024-12-12 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise | +7,000 | $11.33 | $79K | 125,469 |
| 2024-12-12 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Sale | −7,000 | $44.43 | $311K | 118,469 |
| 2024-12-12 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise · Employee Stock Option (right to buy) | −7,000 | 17,787 | ||
| 2024-12-09 | PRINS RICHARD K Director | Option exercise | +10,000 | $19.52 | $195K | 40,471 |
| 2024-12-09 | PRINS RICHARD K Director | Sale | −10,000 | $43.77 | $438K | 30,471 |
| 2024-12-09 | PRINS RICHARD K Director | Gift | −410 | 30,061 | ||
| 2024-12-09 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −10,000 | 0 | ||
| 2024-11-12 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise | +6,893 | $14.95 | $103K | 125,281 |
| 2024-11-12 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Sale | −6,893 | $48.88 | $337K | 118,388 |
| 2024-11-12 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise · Employee Stock Option (right to buy) | −6,893 | 0 | ||
| 2024-11-12 | PRINS RICHARD K Director | Option exercise | +2,500 | $16.69 | $42K | 36,471 |
| 2024-11-12 | PRINS RICHARD K Director | Sale | −5,000 | $48.80 | $244K | 31,471 |
| 2024-11-12 | PRINS RICHARD K Director | Gift | −1,000 | 30,471 | ||
| 2024-11-12 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −2,500 | 4,179 | ||
| 2024-11-11 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Gift | −125,000 | 2,508,554 | ||
| 2024-11-11 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Gift | −125,000 | 1,104,756 | ||
| 2024-11-06 | Liawatidewi Yakob EVP CORP ADMIN CENTER | Option exercise 10b5-1 | +5,214 | $13.03 | $68K | 80,152 |
| 2024-11-06 | Liawatidewi Yakob EVP CORP ADMIN CENTER | Sale 10b5-1 | −5,214 | $52.05 | $271K | 74,938 |
| 2024-11-06 | Liawatidewi Yakob EVP CORP ADMIN CENTER | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −5,214 | 10,962 | ||
| 2024-11-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Option exercise 10b5-1 | +7,426 | $13.03 | $97K | 101,529 |
Page 8 of 81 · 1,602 trades