CIK 0001297184 · Large accelerated filer
Amphastar Pharmaceuticals, Inc.
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2021-06-04 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −5,000 | 5,000 | ||
| 2021-06-04 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −264 | $18.79 | $5K | 54,703 |
| 2021-06-03 | Petersen Floyd F. Director | Option exercise | +10,000 | $16.43 | $164K | 83,354 |
| 2021-06-03 | Petersen Floyd F. Director | Sale | −10,000 | $18.65 | $187K | 73,354 |
| 2021-06-03 | Petersen Floyd F. Director | Option exercise · Stock option (right to buy) | −10,000 | 15,827 | ||
| 2021-06-01 | Koo Richard Director | Option exercise | +25,827 | $16.43 | $424K | 279,097 |
| 2021-06-01 | Koo Richard Director | Sale | −25,827 | $19.28 | $498K | 253,270 |
| 2021-06-01 | Koo Richard Director | Option exercise · Stock Option (right to buy) | −25,827 | 0 | ||
| 2021-05-20 | Lee Howard Director | Option exercise | +10,000 | $16.43 | $164K | 142,914 |
| 2021-05-20 | Lee Howard Director | Sale | −10,000 | $19.74 | $197K | 132,914 |
| 2021-05-20 | Lee Howard Director | Option exercise · Stock Option (right to buy) | −10,000 | 15,827 | ||
| 2021-05-19 | PETERS WILLIAM J CFO, EVP & Treasurer | Grant or award | +3,047 | 111,349 | ||
| 2021-05-19 | PETERS WILLIAM J CFO, EVP & Treasurer | Grant or award · Employee Stock Option (right to buy) | +7,209 | 7,209 | ||
| 2021-05-17 | Liawatidewi Yakob SVP Corp Admin Center | Option exercise | +9,637 | $11.33 | $109K | 63,210 |
| 2021-05-17 | Liawatidewi Yakob SVP Corp Admin Center | Sale | −9,637 | $19.99 | $193K | 53,573 |
| 2021-05-17 | Liawatidewi Yakob SVP Corp Admin Center | Option exercise · Empoyee Stock Option (right to buy) | −9,637 | 0 | ||
| 2021-05-14 | Liawatidewi Yakob SVP Corp Admin Center | Sale | −3,186 | $19.92 | $63K | 53,573 |
| 2021-05-14 | Zhou Rong EVP, Production Center | Option exercise | +11,120 | $14.23 | $158K | 107,385 |
| 2021-05-14 | Zhou Rong EVP, Production Center | Sale | −17,419 | $19.72 | $343K | 89,966 |
| 2021-05-14 | Zhou Rong EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −11,120 | 8,180 |
Page 33 of 81 · 1,602 trades