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 |
|---|---|---|---|---|---|---|
| 2021-02-09 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −11,927 | $18.93 | $226K | 6,906,993 |
| 2021-02-08 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −13,452 | $18.89 | $254K | 6,918,920 |
| 2021-02-05 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −15,507 | $18.94 | $294K | 6,932,372 |
| 2021-02-04 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −25,570 | $18.89 | $483K | 6,947,879 |
| 2021-02-03 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −16,299 | $18.36 | $299K | 6,973,449 |
| 2021-02-02 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −13,817 | $18.66 | $258K | 6,989,748 |
| 2021-02-01 | Zhang Jack Y. CEO & Chief Scientific Officer | Sale | −24,114 | $18.29 | $441K | 7,003,565 |
| 2021-02-01 | Petersen Floyd F. Director | Sale | −639 | $18.26 | $12K | 73,354 |
| 2021-01-19 | PETERS WILLIAM J CFO, SVP & Treasurer | Sale | −6,495 | $18.67 | $121K | 89,548 |
| 2020-12-01 | Petersen Floyd F. Director | Sale | −500 | $17.87 | $9K | 73,993 |
| 2020-11-02 | Petersen Floyd F. Director | Sale | −500 | $19.84 | $10K | 74,493 |
| 2020-10-01 | Petersen Floyd F. Director | Sale | −500 | $18.89 | $9K | 74,993 |
| 2020-09-01 | Petersen Floyd F. Director | Sale | −500 | $19.90 | $10K | 75,493 |
| 2020-08-14 | Maris David Director | Purchase | +1,000 | $20.26 | $20K | 13,151 |
| 2020-08-14 | PETERS WILLIAM J CFO, SVP & Treasurer | Sale | −5,512 | $20.36 | $112K | 95,652 |
| 2020-08-11 | PRINS RICHARD K Director | Sale | −6,000 | $20.33 | $122K | 39,160 |
| 2020-08-03 | Petersen Floyd F. Director | Sale | −500 | $20.62 | $10K | 75,993 |
| 2020-07-21 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise | +5,978 | $11.33 | $68K | 51,974 |
| 2020-07-21 | Liawatidewi Yakob EVP Corp Admin Center | Sale | −5,978 | $21.22 | $127K | 45,996 |
| 2020-07-21 | Liawatidewi Yakob EVP Corp Admin Center | Option exercise · Employee Stock Option (right to buy) | −5,978 | 19,637 |
Page 36 of 81 · 1,602 trades