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 |
|---|---|---|---|---|---|---|
| 2023-08-18 | PRINS RICHARD K Director | Sale | −2,000 | $52.50 | $105K | 40,895 |
| 2023-08-15 | ZASLOFF MICHAEL A Director | Sale | −12,759 | $57.22 | $730K | 33,826 |
| 2023-08-15 | PRINS RICHARD K Director | Sale | −4,163 | $57.39 | $239K | 42,895 |
| 2023-06-20 | Zhou Rong EVP, Production Center | Option exercise | +9,651 | $11.33 | $109K | 112,341 |
| 2023-06-20 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −9,651 | 24,787 | ||
| 2023-06-15 | Zhou Rong EVP, Production Center | Option exercise | +13,575 | $14.40 | $195K | 101,888 |
| 2023-06-15 | Zhou Rong EVP, Production Center | Sale | −5,000 | $51.79 | $259K | 96,888 |
| 2023-06-15 | Zhou Rong EVP, Production Center | Option exercise | +4,631 | $14.95 | $69K | 101,519 |
| 2023-06-15 | Zhou Rong EVP, Production Center | Option exercise | +1,171 | $16.19 | $19K | 102,690 |
| 2023-06-15 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −13,575 | 4,316 | ||
| 2023-06-15 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −4,631 | 13,893 | ||
| 2023-06-15 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −1,171 | 3,514 | ||
| 2023-06-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise 10b5-1 | +36,868 | $19.79 | $730K | 142,471 |
| 2023-06-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale 10b5-1 | −11,868 | $48.79 | $579K | 130,603 |
| 2023-06-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale 10b5-1 | −12,000 | $50.79 | $609K | 118,603 |
| 2023-06-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale 10b5-1 | −13,000 | $52.79 | $686K | 105,603 |
| 2023-06-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −36,868 | 15,053 | ||
| 2023-06-13 | Zhou Rong EVP, Production Center | Option exercise | +5,000 | $14.40 | $72K | 93,313 |
| 2023-06-13 | Zhou Rong EVP, Production Center | Sale | −5,000 | $48.24 | $241K | 88,313 |
| 2023-06-13 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −5,000 | 17,891 |
Page 16 of 81 · 1,602 trades