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 |
|---|---|---|---|---|---|---|
| 2020-08-14 | Maris David Director | Purchase | +1,000 | $20.26 | $20K | 13,151 |
| 2018-05-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Purchase | +15,000 | $16.06 | $241K | 2,080,619 |
| 2018-05-15 | Zhang Jack Y. CEO & Chief Scientific Officer | Purchase | +25,000 | $16.08 | $402K | 2,065,619 |
| 2014-08-25 | Lee Howard Director | Purchase | +6,000 | $10.84 | $65K | 101,215 |
| 2014-08-19 | ZASLOFF MICHAEL A Director | Purchase | +3,500 | $10.00 | $35K | 17,639 |
| 2014-08-18 | PRINS RICHARD K Director | Purchase | +2,600 | $10.03 | $26K | 36,051 |
| 2014-08-15 | PRINS RICHARD K Director | Purchase | +1,400 | $10.00 | $14K | 33,451 |
| 2014-08-15 | Koo Richard Director | Purchase | +4,900 | $10.08 | $49K | 214,722 |
| 2014-08-15 | Shohet Stephen B. Director | Purchase | +3,500 | $10.37 | $36K | 3,500 |
| 2014-08-15 | Petersen Floyd F. Director | Purchase | +3,200 | $10.35 | $33K | 41,612 |
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