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 |
|---|---|---|---|---|---|---|
| 2021-05-13 | Zhou Rong EVP, Production Center | Option exercise | +700 | $14.23 | $10K | 96,965 |
| 2021-05-13 | Zhou Rong EVP, Production Center | Sale | −700 | $19.58 | $14K | 96,265 |
| 2021-05-13 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −700 | 19,300 | ||
| 2021-05-13 | ZASLOFF MICHAEL A Director | Option exercise | +25,827 | $16.43 | $424K | 67,014 |
| 2021-05-13 | ZASLOFF MICHAEL A Director | Sale | −25,827 | $19.34 | $499K | 41,187 |
| 2021-05-13 | ZASLOFF MICHAEL A Director | Option exercise · Stock Option (right to buy) | −25,827 | 0 | ||
| 2021-05-12 | Liawatidewi Yakob EVP Corp Admin Center | Sale | −4,592 | $19.33 | $89K | 56,759 |
| 2021-05-11 | PRINS RICHARD K Director | Option exercise | +15,827 | $16.43 | $260K | 54,987 |
| 2021-05-11 | PRINS RICHARD K Director | Sale | −15,827 | $18.90 | $299K | 39,160 |
| 2021-05-11 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −15,827 | 10,000 | ||
| 2021-05-11 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise | +10,000 | $11.33 | $113K | 71,351 |
| 2021-05-11 | Liawatidewi Yakob EVP Corp Admin Center | Sale | −10,000 | $19.06 | $191K | 61,351 |
| 2021-05-11 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise · Employee Stock Option (right to buy) | −10,000 | 9,637 | ||
| 2021-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award | +127,209 | 2,320,868 | ||
| 2021-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award | +56,892 | 1,488,371 | ||
| 2021-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award · Employee Stock Option (right to buy) | +298,688 | 298,688 | ||
| 2021-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award · Employee Stock Option (right to buy) | +133,585 | 133,585 | ||
| 2021-03-17 | Liawatidewi Yakob EVP Corp Admin Center | Grant or award | +19,344 | 61,351 | ||
| 2021-03-17 | Liawatidewi Yakob EVP Corp Admin Center | Grant or award · Employee Stock Option (right to buy) | +45,420 | 45,420 | ||
| 2021-03-17 | Zhou Rong EVP, Production Center | Grant or award | +21,984 | 96,265 |
Page 34 of 81 · 1,602 trades