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 |
|---|---|---|---|---|---|---|
| 2023-03-16 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −1,620 | $37.60 | $61K | 70,888 |
| 2023-03-16 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −2,283 | $37.60 | $86K | 89,499 |
| 2023-03-16 | PETERS WILLIAM J CFO, EVP & Treasurer | Shares withheld for taxes | −4,995 | $37.60 | $188K | 109,310 |
| 2023-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Gift | −57,365 | 0 | ||
| 2023-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Gift | −57,365 | 0 | ||
| 2023-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −25,241 | $37.60 | $949K | 2,094,486 |
| 2023-03-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −9,998 | $37.60 | $376K | 1,462,654 |
| 2023-03-15 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −1,851 | $36.84 | $68K | 72,508 |
| 2023-03-15 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −2,057 | $36.84 | $76K | 91,782 |
| 2023-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +6,688 | $14.95 | $100K | 131,227 |
| 2023-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −12,776 | $36.43 | $465K | 118,451 |
| 2023-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Shares withheld for taxes | −4,146 | $36.84 | $153K | 114,305 |
| 2023-03-15 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −6,688 | 0 | ||
| 2023-03-15 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −8,434 | $36.84 | $311K | 2,177,092 |
| 2023-03-15 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −2,803 | $36.84 | $103K | 1,530,017 |
| 2023-03-06 | PETERS WILLIAM J CFO, EVP & Treasurer | Grant or award | +23,925 | 124,539 | ||
| 2023-03-06 | PETERS WILLIAM J CFO, EVP & Treasurer | Grant or award · Employee Stock Option (right to buy) | +50,416 | 50,416 | ||
| 2023-03-06 | Liawatidewi Yakob EVP Corp Admin Center | Grant or award | +12,752 | 74,359 | ||
| 2023-03-06 | Liawatidewi Yakob EVP Corp Admin Center | Grant or award · Employee Stock Option (right to buy) | +26,873 | 26,873 | ||
| 2023-03-06 | Zhou Rong EVP, Production Center | Grant or award | +15,129 | 93,839 |
Page 20 of 81 · 1,602 trades