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 |
|---|---|---|---|---|---|---|
| 2024-01-08 | Luo Mary Z. COO,Chief Scientist & Chairman | Sale 10b5-1 | −1,663 | $61.81 | $103K | 1,324,110 |
| 2024-01-08 | Luo Mary Z. COO,Chief Scientist & Chairman | Sale 10b5-1 | −2,152 | $63.27 | $136K | 1,321,958 |
| 2024-01-02 | Petersen Floyd F. Director | Sale 10b5-1 | −147 | $60.56 | $9K | 81,186 |
| 2024-01-02 | Petersen Floyd F. Director | Sale 10b5-1 | −353 | $61.70 | $22K | 80,833 |
| 2023-12-04 | Zhou Rong Senior EVP, Production Center | Option exercise | +3,514 | $16.19 | $57K | 115,934 |
| 2023-12-04 | Zhou Rong Senior EVP, Production Center | Sale | −3,514 | $59.58 | $209K | 112,420 |
| 2023-12-04 | Zhou Rong Senior EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −3,514 | 0 | ||
| 2023-12-01 | Zhou Rong Senior EVP, Production Center | Option exercise | +4,316 | $14.40 | $62K | 116,736 |
| 2023-12-01 | Zhou Rong Senior EVP, Production Center | Sale | −4,316 | $58.58 | $253K | 112,420 |
| 2023-12-01 | Zhou Rong Senior EVP, Production Center | Option exercise · Employee Stock Option (right to buy) | −4,316 | 0 | ||
| 2023-12-01 | Petersen Floyd F. Director | Sale 10b5-1 | −135 | $57.24 | $8K | 81,698 |
| 2023-12-01 | Petersen Floyd F. Director | Sale 10b5-1 | −365 | $58.15 | $21K | 81,333 |
| 2023-11-17 | PRINS RICHARD K Director | Sale | −4,000 | $55.86 | $223K | 31,895 |
| 2023-11-17 | PRINS RICHARD K Director | Gift | −1,000 | 30,895 | ||
| 2023-11-14 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise 10b5-1 | +21,250 | $20.23 | $430K | 122,610 |
| 2023-11-14 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise 10b5-1 | +38,000 | $13.03 | $495K | 160,610 |
| 2023-11-14 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale 10b5-1 | −14,220 | $54.76 | $779K | 146,390 |
| 2023-11-14 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale 10b5-1 | −30,162 | $55.67 | $1.7M | 116,228 |
| 2023-11-14 | PETERS WILLIAM J CFO, EVP & Treasurer | Sale 10b5-1 | −14,868 | $56.53 | $841K | 101,360 |
| 2023-11-14 | PETERS WILLIAM J CFO, EVP & Treasurer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −21,250 | 15,225 |
Page 14 of 81 · 1,602 trades