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 |
|---|---|---|---|---|---|---|
| 2022-05-18 | Petersen Floyd F. Director | Sale | −9,924 | $35.05 | $348K | 86,445 |
| 2022-05-18 | Petersen Floyd F. Director | Option exercise · Stock Option (right to buy) | −20,291 | 0 | ||
| 2022-05-17 | PRINS RICHARD K Director | Gift | −2,000 | 43,179 | ||
| 2022-05-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −47,539 | $35.74 | $1.7M | 2,226,406 |
| 2022-05-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −2,837 | $36.14 | $103K | 2,223,569 |
| 2022-05-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −54,274 | $35.58 | $1.9M | 2,287,740 |
| 2022-05-16 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −13,795 | $36.41 | $502K | 2,273,945 |
| 2022-05-16 | ZASLOFF MICHAEL A Director | Option exercise | +10,291 | $17.11 | $176K | 57,497 |
| 2022-05-16 | ZASLOFF MICHAEL A Director | Sale | −10,291 | $35.61 | $366K | 47,206 |
| 2022-05-16 | ZASLOFF MICHAEL A Director | Option exercise · Stock Option (right to buy) | −10,291 | 0 | ||
| 2022-05-02 | Petersen Floyd F. Director | Sale | −268 | $35.15 | $9K | 76,105 |
| 2022-05-02 | Petersen Floyd F. Director | Sale | −27 | $35.52 | $959 | 76,078 |
| 2022-04-01 | Petersen Floyd F. Director | Sale | −437 | $36.59 | $16K | 76,436 |
| 2022-04-01 | Petersen Floyd F. Director | Sale | −63 | $37.35 | $2K | 76,373 |
| 2022-03-17 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −1,673 | $34.18 | $57K | 60,740 |
| 2022-03-17 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −2,447 | $34.18 | $84K | 77,583 |
| 2022-03-17 | PETERS WILLIAM J CFO, EVP & Treasurer | Shares withheld for taxes | −4,162 | $34.18 | $142K | 104,987 |
| 2022-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −15,768 | $34.18 | $539K | 2,342,014 |
| 2022-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −7,052 | $34.18 | $241K | 1,498,519 |
| 2022-03-16 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −1,619 | $34.22 | $55K | 62,413 |
Page 25 of 81 · 1,602 trades