- By insider

CEO & Chief Science Officer of Amphastar Pharmaceuticals Inc (AMPH) Jack Y. Zhang sold 444,199 shares of AMPH on 09/20/2016 at an average price of $21.03 a share. The total sale was $9.3 million.

Amphastar Pharmaceuticals Inc is a specialty pharmaceutical company engaged in developing, manufacturing, marketing and selling generic and proprietary injectable & inhalation products. Its products are used in hospitals or urgent care clinical settings. Amphastar Pharmaceuticals Inc has a market cap of $891.150 million; its shares were traded at around $19.75 with a P/E ratio of 65.86 and P/S ratio of 3.40.

• Warning! GuruFocus has detected 1 Warning Sign with HDS. Click here to check it out.

• AMPH 15-Year Financial Data

• The intrinsic value of AMPH

• Peter Lynch Chart of AMPH

CEO Recent Trades:

• CEO & Chief Science Officer, 10% Owner Jack Y. Zhang sold 444,199 shares of AMPH stock on 09/20/2016 at the average price of $21.03. The price of the stock has decreased by 6.09% since.

Directors and Officers Recent Trades:

• Director Floyd F. Petersen sold 3,000 shares of AMPH stock on 09/08/2016 at the average price of $19.05. The price of the stock has increased by 3.67% since.

• Director Howard Lee sold 10,381 shares of AMPH stock on 09/01/2016 at the average price of $18.78. The price of the stock has increased by 5.17% since.

For the complete insider trading history of AMPH, click here

.This article first appeared on GuruFocus.

• Warning! GuruFocus has detected 1 Warning Sign with HDS. Click here to check it out.

• AMPH 15-Year Financial Data

• The intrinsic value of AMPH

• Peter Lynch Chart of AMPH