CIK 0001297184 · Large accelerated filer
Amphastar Pharmaceuticals, Inc.
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2021-03-17 | Zhou Rong EVP, Production Center | Grant or award · Employee Stock Option (right to buy) | +51,621 | 51,621 | ||
| 2021-03-17 | PETERS WILLIAM J CFO, SVP & Treasurer | Grant or award | +33,574 | 108,302 | ||
| 2021-03-17 | PETERS WILLIAM J CFO, SVP & Treasurer | Grant or award · Employee Stock Option (right to buy) | +78,833 | 78,833 | ||
| 2021-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −25,241 | $18.44 | $465K | 2,193,659 |
| 2021-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −8,890 | $18.44 | $164K | 1,431,479 |
| 2021-03-16 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −2,430 | $18.44 | $45K | 42,007 |
| 2021-03-16 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −3,303 | $18.44 | $61K | 74,281 |
| 2021-03-16 | PETERS WILLIAM J CFO, SVP & Treasurer | Shares withheld for taxes | −6,398 | $18.44 | $118K | 74,728 |
| 2021-03-15 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −1,559 | $19.15 | $30K | 44,437 |
| 2021-03-15 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −1,652 | $19.15 | $32K | 77,584 |
| 2021-03-15 | PETERS WILLIAM J CFO, SVP & Treasurer | Sale | −4,244 | $19.03 | $81K | 85,304 |
| 2021-03-15 | PETERS WILLIAM J CFO, SVP & Treasurer | Shares withheld for taxes | −4,178 | $19.15 | $80K | 81.13 |
| 2021-03-15 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −28,088 | $19.15 | $538K | 2,218,900 |
| 2021-03-15 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −9,592 | $19.15 | $184K | 1,440,369 |
| 2021-02-18 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −407 | $18.58 | $8K | 6,827,679 |
| 2021-02-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −13,801 | $18.67 | $258K | 6,828,086 |
| 2021-02-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −16,259 | $18.51 | $301K | 6,841,887 |
| 2021-02-12 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −13,277 | $18.94 | $252K | 6,858,146 |
| 2021-02-11 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −19,823 | $19.06 | $378K | 6,871,423 |
| 2021-02-10 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −15,747 | $18.76 | $295K | 6,891,246 |
Page 35 of 81 · 1,602 trades