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 |
|---|---|---|---|---|---|---|
| 2022-03-16 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −2,283 | $34.22 | $78K | 80,030 |
| 2022-03-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +50,777 | $14.40 | $731K | 164,921 |
| 2022-03-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −47,017 | $33.93 | $1.6M | 117,904 |
| 2022-03-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −3,760 | $34.36 | $129K | 114,144 |
| 2022-03-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Shares withheld for taxes | −4,995 | $34.22 | $171K | 109,149 |
| 2022-03-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −50,777 | 0 | ||
| 2022-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −25,241 | $34.22 | $864K | 2,357,782 |
| 2022-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −10,426 | $34.22 | $357K | 1,505,571 |
| 2022-03-16 | ZASLOFF MICHAEL A Director | Option exercise | +10,000 | $17.11 | $171K | 57,206 |
| 2022-03-16 | ZASLOFF MICHAEL A Director | Sale | −10,000 | $33.71 | $337K | 47,206 |
| 2022-03-16 | ZASLOFF MICHAEL A Director | Option exercise · Stock Option (right to buy) | −10,000 | 10,291 | ||
| 2022-03-15 | PRINS RICHARD K Director | Option exercise | +10,000 | $17.11 | $171K | 55,179 |
| 2022-03-15 | PRINS RICHARD K Director | Sale | −10,000 | $34.02 | $340K | 45,179 |
| 2022-03-15 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −10,000 | 0 | ||
| 2022-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −7,900 | $34.46 | $272K | 98,142 |
| 2022-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Grant or award | +21,991 | 120,133 | ||
| 2022-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Shares withheld for taxes | −5,989 | $34.74 | $208K | 114,144 |
| 2022-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Grant or award · Employee Stock Option (right to buy) | +50,743 | 50,743 | ||
| 2022-03-15 | Liawatidewi Yakob EVP Corp Admin Center | Grant or award | +11,514 | 65,591 | ||
| 2022-03-15 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −1,559 | $34.74 | $54K | 64,032 |
Page 26 of 81 · 1,602 trades