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 |
|---|---|---|---|---|---|---|
| 2022-06-10 | Gerst Diane G. Director | Grant or award · Stock Option (right to buy) | +10,984 | 10,984 | ||
| 2022-06-10 | Deflin Gayle Director | Grant or award | +4,163 | 10,182 | ||
| 2022-06-10 | Deflin Gayle Director | Grant or award · Stock Option (right to buy) | +10,984 | 10,984 | ||
| 2022-06-06 | Lee Howard Director | Option exercise | +10,291 | $17.11 | $176K | 149,067 |
| 2022-06-06 | Lee Howard Director | Sale | −10,291 | $37.79 | $389K | 138,776 |
| 2022-06-06 | Lee Howard Director | Option exercise · Stock Option (right to buy) | −10,291 | 0 | ||
| 2022-06-04 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −264 | $37.77 | $10K | 61,735 |
| 2022-06-01 | Petersen Floyd F. Director | Sale | −380 | $36.79 | $14K | 86,065 |
| 2022-06-01 | Petersen Floyd F. Director | Sale | −120 | $37.67 | $5K | 85,945 |
| 2022-05-23 | Lee Howard Director | Option exercise | +10,000 | $17.11 | $171K | 148,776 |
| 2022-05-23 | Lee Howard Director | Sale | −10,000 | $34.93 | $349K | 138,776 |
| 2022-05-23 | Lee Howard Director | Option exercise · Stock Option (right to buy) | −10,000 | 10,291 | ||
| 2022-05-20 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −10,650 | $34.21 | $364K | 2,104,143 |
| 2022-05-19 | PETERS WILLIAM J CFO, EVP & Treasurer | Shares withheld for taxes | −378 | $33.70 | $13K | 104,609 |
| 2022-05-19 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −41,615 | $33.76 | $1.4M | 2,114,908 |
| 2022-05-19 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −115 | $34.28 | $4K | 2,114,793 |
| 2022-05-18 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −55,264 | $33.97 | $1.9M | 2,168,305 |
| 2022-05-18 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −9,776 | $34.77 | $340K | 2,158,529 |
| 2022-05-18 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −2,006 | $35.78 | $72K | 2,156,523 |
| 2022-05-18 | Petersen Floyd F. Director | Option exercise | +20,291 | $17.11 | $347K | 96,369 |
Page 24 of 81 · 1,602 trades