Anthera seeks $33 million from stock offering

Anthera Pharmaceuticals Inc. will use $33 million from the sale of 33 million shares for general corporate purposes, the company said Thursday.

The $1-per-share pricing sent the stock of the Hayward-based drug development company (NASDAQ: ANTH) down more than 15 percent from Wednesday's close, to $1.13 per share, in late-afternoon trading Thursday.