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 |
|---|---|---|---|---|---|---|
| 2023-04-17 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −5,632 | 28,990 | ||
| 2023-04-13 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise 10b5-1 | +11,494 | $20.23 | $233K | 80,709 |
| 2023-04-13 | Liawatidewi Yakob EVP Corp Admin Center | Sale 10b5-1 | −5,000 | $41.00 | $205K | 75,709 |
| 2023-04-13 | Liawatidewi Yakob EVP Corp Admin Center | Sale 10b5-1 | −6,494 | $42.00 | $273K | 69,215 |
| 2023-04-13 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −11,494 | 5,497 | ||
| 2023-04-13 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise 10b5-1 | +4,868 | $13.35 | $65K | 110,016 |
| 2023-04-13 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale 10b5-1 | −4,868 | $42.35 | $206K | 105,148 |
| 2023-04-13 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −4,868 | 34,622 | ||
| 2023-04-10 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise | +5,000 | $20.23 | $101K | 74,215 |
| 2023-04-10 | Liawatidewi Yakob EVP Corp Admin Center | Sale | −5,000 | $40.00 | $200K | 69,215 |
| 2023-04-10 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise · Employee Stock Option (right to buy) | −5,000 | 16,991 | ||
| 2023-04-10 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise | +10,032 | $13.35 | $134K | 115,180 |
| 2023-04-10 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale | −10,032 | $40.35 | $405K | 105,148 |
| 2023-04-10 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) | −10,032 | 39,490 | ||
| 2023-04-03 | Petersen Floyd F. Director | Sale 10b5-1 | −491 | $37.72 | $19K | 85,117 |
| 2023-03-17 | Liawatidewi Yakob EVP Corp Admin Center | Shares withheld for taxes | −1,673 | $36.29 | $61K | 69,215 |
| 2023-03-17 | Zhou Rong EVP, Production Center | Shares withheld for taxes | −1,901 | $36.29 | $69K | 87,598 |
| 2023-03-17 | PETERS WILLIAM J CFO, EVP & Treasurer | Shares withheld for taxes | −4,162 | $36.29 | $151K | 105,148 |
| 2023-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −15,768 | $36.29 | $572K | 2,078,718 |
| 2023-03-17 | Zhang Jack Y. CEO & Chief Scientific Officer | Shares withheld for taxes | −7,052 | $36.29 | $256K | 1,455,602 |
Page 19 of 81 · 1,602 trades