Proteostasis raises $74.3M on the heels of positive CF data

Proteostasis Therapeutics Inc. (NASDAQ:PTI) raised $74.3 million late Oct. 23 through the sale of 11 million shares at $6.75 in a bumped-up follow-on underwritten by Leerink, Piper Jaffray, Cantor Fitzgerald and H.C. Wainwright. The price is a 6% discount to Proteostasis' close of $7.20 on Oct. 22, when it proposed after hours to sell 9 million shares...