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 |
|---|---|---|---|---|---|---|
| 2015-05-20 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −13,945 | 11,901 | ||
| 2015-05-19 | PRINS RICHARD K Director | Option exercise | +3,000 | $11.68 | $35K | 39,051 |
| 2015-05-19 | PRINS RICHARD K Director | Sale | −3,000 | $14.94 | $45K | 36,051 |
| 2015-05-19 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −3,000 | 25,846 | ||
| 2015-04-21 | PETERS WILLIAM J CFO, SVP & Treasurer | Shares withheld for taxes | −1,384 | $15.21 | $21K | 32,735 |
| 2015-04-14 | Gerst Diane G. EVP, QA & Regulatory Affairs | Shares withheld for taxes | −862 | $15.22 | $13K | 18,634 |
| 2015-04-09 | Gerst Diane G. Corp. SVP of Quality Assurance | Grant or award · Employee Stock Option (right to buy) | −10,000 | 0 | ||
| 2015-04-09 | Purchase Marilyn J. Corp. Exec. VP of Operations | Option exercise | +28,000 | $14.80 | $414K | 72,902 |
| 2015-04-09 | Purchase Marilyn J. Corp. Exec. VP of Operations | Sale | −28,000 | $15.79 | $442K | 44,902 |
| 2015-04-09 | Purchase Marilyn J. Corp. Exec. VP of Operations | Option exercise · Employee Stock Option (right to buy) | −28,000 | 0 | ||
| 2015-04-08 | Gerst Diane G. Corp. SVP of Quality Assurance | Option exercise | +10,000 | $14.80 | $148K | 29,496 |
| 2015-04-08 | Gerst Diane G. Corp. SVP of Quality Assurance | Sale | −10,000 | $15.79 | $158K | 19,496 |
| 2015-03-27 | Shandell Jason B. President | Shares withheld for taxes | −5,895 | $15.43 | $91K | 164,181 |
| 2015-03-27 | Purchase Marilyn J. Former Officer | Shares withheld for taxes | −1,639 | $15.43 | $25K | 43,263 |
| 2015-03-27 | Zhang Jack Y. CEO & Chief Science Officer | Shares withheld for taxes | −20,877 | $15.43 | $322K | 911,636 |
| 2015-03-27 | Zhang Jack Y. CEO & Chief Science Officer | Shares withheld for taxes | −8,641 | $15.43 | $133K | 661,666 |
| 2015-03-26 | Gerst Diane G. Corp. SVP of Quality Assurance | Grant or award | +6,688 | 19,496 | ||
| 2015-03-26 | Gerst Diane G. Corp. SVP of Quality Assurance | Grant or award · Employee Stock Option (right to buy) | −20,028 | 20,028 | ||
| 2015-03-26 | Purchase Marilyn J. Corp. Exec. VP of Operations | Grant or award | +14,046 | 44,902 | ||
| 2015-03-26 | Purchase Marilyn J. Corp. Exec. VP of Operations | Grant or award · Employee Stock Option (right to buy) | +42,054 | 42,054 |
Page 79 of 81 · 1,602 trades