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 |
|---|---|---|---|---|---|---|
| 2020-05-14 | Petersen Floyd F. Director | Option exercise | +5,000 | $15.11 | $76K | 76,642 |
| 2020-05-14 | Petersen Floyd F. Director | Sale | −5,000 | $17.78 | $89K | 71,642 |
| 2020-05-14 | Petersen Floyd F. Director | Option exercise · Stock Option (right to buy) | −5,000 | 42,682 | ||
| 2020-05-12 | ZASLOFF MICHAEL A Director | Option exercise | +10,000 | $15.11 | $151K | 45,336 |
| 2020-05-12 | ZASLOFF MICHAEL A Director | Sale | −10,000 | $19.00 | $190K | 35,336 |
| 2020-05-12 | ZASLOFF MICHAEL A Director | Option exercise · Stock Option (right to buy) | −10,000 | 37,782 | ||
| 2020-05-12 | PRINS RICHARD K Director | Option exercise | +30,282 | $15.11 | $458K | 69,591 |
| 2020-05-12 | PRINS RICHARD K Director | Sale | −30,282 | $19.00 | $575K | 39,309 |
| 2020-05-12 | PRINS RICHARD K Director | Option exercise · Stock Option (right to buy) | −30,282 | 0 | ||
| 2020-05-12 | Petersen Floyd F. Director | Option exercise | +100 | $15.11 | $2K | 71,742 |
| 2020-05-12 | Petersen Floyd F. Director | Sale | −100 | $19.20 | $2K | 71,642 |
| 2020-05-12 | Petersen Floyd F. Director | Option exercise · Stock Option (right to buy) | −100 | 47,682 | ||
| 2020-05-01 | Petersen Floyd F. Director | Sale | −500 | $16.66 | $8K | 71,642 |
| 2020-04-01 | Petersen Floyd F. Director | Sale | −500 | $14.36 | $7K | 72,142 |
| 2020-03-17 | Liawatidewi Yakob SVP Corp Admin Center | Shares withheld for taxes | −859 | $14.50 | $12K | 49,168 |
| 2020-03-17 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −992 | $14.50 | $14K | 80,891 |
| 2020-03-17 | PETERS WILLIAM J CFO, SVP & Treasurer | Shares withheld for taxes | −3,434 | $14.50 | $50K | 104,038 |
| 2020-03-17 | Shandell Jason B. President and General Counsel | Shares withheld for taxes | −9,299 | $14.50 | $135K | 179,276 |
| 2020-03-16 | Liawatidewi Yakob SVP Corp Admin Center | Shares withheld for taxes | −810 | $13.03 | $11K | 31,301 |
| 2020-03-16 | Liawatidewi Yakob SVP Corp Admin Center | Grant or award | +18,726 | 50,027 |
Page 40 of 81 · 1,602 trades