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 |
|---|---|---|---|---|---|---|
| 2024-11-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Sale 10b5-1 | −7,426 | $52.05 | $387K | 94,103 |
| 2024-11-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −7,426 | 23,674 | ||
| 2024-09-13 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise | +3,000 | $14.95 | $45K | 121,388 |
| 2024-09-13 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Sale | −3,000 | $48.26 | $145K | 118,388 |
| 2024-09-13 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise · Employee Stock Option (right to buy) | −3,000 | 6,893 | ||
| 2024-09-13 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Option exercise | +100,000 | $14.69 | $1.5M | 2,633,554 |
| 2024-09-13 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Option exercise · Employee Stock Option (right to buy) | −100,000 | 290,477 | ||
| 2024-09-05 | Petersen Floyd F. Director | Sale | −3,000 | $46.47 | $139K | 75,409 |
| 2024-08-26 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise | +4,000 | $14.95 | $60K | 122,388 |
| 2024-08-26 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Sale | −4,000 | $48.35 | $193K | 118,388 |
| 2024-08-26 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Option exercise · Employee Stock Option (right to buy) | −4,000 | 9,893 | ||
| 2024-08-19 | PRINS RICHARD K Director | Gift | −1,500 | 29,455 | ||
| 2024-08-12 | PRINS RICHARD K Director | Option exercise | +3,915 | $20.03 | $78K | 37,886 |
| 2024-08-12 | PRINS RICHARD K Director | Option exercise | +6,004 | $20.08 | $121K | 43,890 |
| 2024-08-12 | PRINS RICHARD K Director | Option exercise | +7,182 | $19.52 | $140K | 51,072 |
| 2024-08-12 | PRINS RICHARD K Director | Sale | −17,101 | $43.07 | $737K | 33,971 |
| 2024-08-12 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −3,915 | 10,000 | ||
| 2024-08-12 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −6,004 | 10,000 | ||
| 2024-08-12 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −7,182 | 10,000 | ||
| 2024-07-31 | PETERS WILLIAM J CFO, EVP & TREASURER | Option exercise 10b5-1 | +10,282 | $20.23 | $208K | 104,385 |
Page 9 of 81 · 1,602 trades