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 |
|---|---|---|---|---|---|---|
| 2022-01-03 | Petersen Floyd F. Director | Sale | −500 | $23.22 | $12K | 77,873 |
| 2021-12-30 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +10,000 | $14.40 | $144K | 116,042 |
| 2021-12-30 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −10,000 | $23.40 | $234K | 106,042 |
| 2021-12-30 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −10,000 | 98,553 | ||
| 2021-12-22 | Petersen Floyd F. Director | Sale | −1,000 | $22.50 | $23K | 78,373 |
| 2021-12-21 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +8,256 | $14.40 | $119K | 114,298 |
| 2021-12-21 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −8,256 | $22.40 | $185K | 106,042 |
| 2021-12-21 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −8,256 | 108,553 | ||
| 2021-12-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +1,744 | $14.40 | $25K | 107,786 |
| 2021-12-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −1,744 | $22.40 | $39K | 106,042 |
| 2021-12-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −1,744 | 116,809 | ||
| 2021-12-10 | PRINS RICHARD K Director | Option exercise | +5,291 | $17.11 | $91K | 50,470 |
| 2021-12-10 | PRINS RICHARD K Director | Sale | −5,291 | $21.36 | $113K | 45,179 |
| 2021-12-10 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −5,291 | 10,000 | ||
| 2021-11-22 | PRINS RICHARD K Director | Option exercise | +5,000 | $17.11 | $86K | 50,179 |
| 2021-11-22 | PRINS RICHARD K Director | Sale | −5,000 | $21.22 | $106K | 45,179 |
| 2021-11-22 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −5,000 | 15,291 | ||
| 2021-11-11 | Zhou Rong EVP, Production Center | Option exercise | +7,813 | $10.48 | $82K | 90,934 |
| 2021-11-11 | Zhou Rong EVP, Production Center | Sale | −7,813 | $21.67 | $169K | 83,121 |
| 2021-11-11 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −7,813 | 0 |
Page 29 of 81 · 1,602 trades