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 |
|---|---|---|---|---|---|---|
| 2023-03-06 | Zhou Rong EVP, Production Center | Grant or award · Employee Stock Option (right to buy) | +31,882 | 31,882 | ||
| 2023-03-06 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award | +81,383 | 2,185,526 | ||
| 2023-03-06 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award | +34,301 | 1,532,820 | ||
| 2023-03-06 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award · Employee Stock Option (right to buy) | +171,488 | 171,488 | ||
| 2023-03-06 | Zhang Jack Y. CEO & Chief Scientific Officer | Grant or award · Employee Stock Option (right to buy) | +72,278 | 72,278 | ||
| 2023-03-01 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +10,974 | $11.33 | $124K | 111,588 |
| 2023-03-01 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −10,974 | $36.33 | $399K | 100,614 |
| 2023-03-01 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −10,974 | 8,826 | ||
| 2023-03-01 | Petersen Floyd F. Director | Sale | −1 | $33.70 | $34 | 86,107 |
| 2023-03-01 | Petersen Floyd F. Director | Sale | −412 | $36.59 | $15K | 85,695 |
| 2023-03-01 | Petersen Floyd F. Director | Sale | −87 | $37.25 | $3K | 85,608 |
| 2023-02-01 | Petersen Floyd F. Director | Sale | −500 | $30.35 | $15K | 86,108 |
| 2023-01-03 | Petersen Floyd F. Director | Sale | −500 | $27.94 | $14K | 86,608 |
| 2022-12-01 | Petersen Floyd F. Director | Sale | −500 | $30.13 | $15K | 87,108 |
| 2022-11-01 | Petersen Floyd F. Director | Sale | −500 | $31.13 | $16K | 87,608 |
| 2022-10-03 | Petersen Floyd F. Director | Sale | −500 | $28.59 | $14K | 88,108 |
| 2022-09-01 | Petersen Floyd F. Director | Sale | −500 | $29.44 | $15K | 88,608 |
| 2022-08-09 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +10,000 | $13.35 | $134K | 110,480 |
| 2022-08-09 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −10,000 | $38.35 | $384K | 100,480 |
| 2022-08-09 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −10,000 | 49,522 |
Page 21 of 81 · 1,602 trades