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 |
|---|---|---|---|---|---|---|
| 2024-03-15 | Zhang Jack Y. CEO & Chief Scientific Officer | Option exercise · Employee Stock Option (right to buy) | −722,046 | 0 | ||
| 2024-03-15 | Zhang Jack Y. CEO & Chief Scientific Officer | Option exercise · Employee Stock Option (right to buy) | −310,930 | 0 | ||
| 2024-03-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Option exercise 10b5-1 | +8,826 | $11.33 | $100K | 129,626 |
| 2024-03-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Sale 10b5-1 | −13,404 | $46.30 | $621K | 116,222 |
| 2024-03-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Sale 10b5-1 | −4,681 | $46.98 | $220K | 111,541 |
| 2024-03-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Sale 10b5-1 | −51 | $48.00 | $2K | 111,490 |
| 2024-03-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Shares withheld for taxes 10b5-1 | −2,190 | $46.31 | $101K | 109,300 |
| 2024-03-06 | PETERS WILLIAM J CFO, EVP & TREASURER | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −8,826 | 0 | ||
| 2024-03-06 | Liawatidewi Yakob EVP CORP ADMIN CENTER | Shares withheld for taxes | −1,221 | $46.31 | $57K | 79,202 |
| 2024-03-06 | Zhou Rong SENIOR EVP, PRODUCTION CENTER | Shares withheld for taxes | −1,390 | $46.31 | $64K | 123,551 |
| 2024-03-06 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −7,031 | $46.31 | $326K | 2,135,997 |
| 2024-03-06 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −2,990 | $46.31 | $138K | 1,128,536 |
| 2024-03-05 | ZASLOFF MICHAEL A Director | Sale | −9,389 | $47.06 | $442K | 24,437 |
| 2024-03-05 | ZASLOFF MICHAEL A Director | Sale | −3,111 | $47.53 | $148K | 21,326 |
| 2024-03-04 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Grant or award | +64,310 | 2,143,028 | ||
| 2024-03-04 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Grant or award | +27,110 | 1,131,526 | ||
| 2024-03-04 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Grant or award · Employee Stock Option (right to buy) | +135,473 | 135,473 | ||
| 2024-03-04 | Zhang Jack Y. CEO & CHIEF SCIENTIFIC OFFICER | Grant or award · Employee Stock Option (right to buy) | +57,109 | 57,109 | ||
| 2024-03-04 | Liawatidewi Yakob EVP CORP ADMIN CENTER | Grant or award | +10,754 | 80,423 | ||
| 2024-03-04 | Liawatidewi Yakob EVP CORP ADMIN CENTER | Grant or award · Employee Stock Option (right to buy) | +22,655 | 22,655 |
Page 12 of 81 · 1,602 trades