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 |
|---|---|---|---|---|---|---|
| 2024-07-31 | PETERS WILLIAM J CFO, EVP & TREASURER | Sale 10b5-1 | −10,282 | $44.23 | $455K | 94,103 |
| 2024-07-31 | PETERS WILLIAM J CFO, EVP & TREASURER | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −10,282 | 4,943 | ||
| 2024-06-27 | PETERS WILLIAM J CFO, EVP & TREASURER | Sale 10b5-1 | −2,961 | $40.85 | $121K | 94,738 |
| 2024-06-27 | PETERS WILLIAM J CFO, EVP & TREASURER | Sale 10b5-1 | −635 | $41.29 | $26K | 94,103 |
| 2024-06-10 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Option exercise | +100,000 | $14.69 | $1.5M | 2,533,554 |
| 2024-06-10 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Option exercise · Employee Stock Option (right to buy) | −100,000 | 390,477 | ||
| 2024-06-10 | Petersen Floyd F. Director | Sale | −3,000 | $41.40 | $124K | 78,409 |
| 2024-06-05 | Lee Howard Director | Shares withheld for taxes | −579 | $42.04 | $24K | 147,777 |
| 2024-06-04 | Liawatidewi Yakob EVP CORP ADMIN CENTER | Shares withheld for taxes | −272 | $42.22 | $11K | 74,938 |
| 2024-06-03 | Lee Howard Director | Grant or award | +3,076 | 148,356 | ||
| 2024-06-03 | Lee Howard Director | Grant or award · Stock Option (right to buy) | +6,864 | 6,864 | ||
| 2024-06-03 | Gerst Diane G. Director | Grant or award | +3,076 | 18,634 | ||
| 2024-06-03 | Gerst Diane G. Director | Grant or award · Stock Option (right to buy) | +6,864 | 6,864 | ||
| 2024-06-03 | Deflin Gayle Director | Grant or award | +3,076 | 5,792 | ||
| 2024-06-03 | Deflin Gayle Director | Grant or award · Stock Option (right to buy) | +6,864 | 6,864 | ||
| 2024-06-03 | Petersen Floyd F. Director | Sale 10b5-1 | −500 | $42.65 | $21K | 78,333 |
| 2024-06-03 | Petersen Floyd F. Director | Grant or award 10b5-1 | +3,076 | 81,409 | ||
| 2024-06-03 | Petersen Floyd F. Director | Grant or award · Stock Option (right to buy) 10b5-1 | +6,864 | 6,864 | ||
| 2024-06-03 | PRINS RICHARD K Director | Grant or award | +3,076 | 33,971 | ||
| 2024-06-03 | PRINS RICHARD K Director | Grant or award · Stock Option (right to buy) | +6,864 | 6,864 |
Page 10 of 81 · 1,602 trades