Nastassia Samal

ImmunoGen (NASDAQ:IMGN) added ~6% premarket Thursday after announcing that the 30-day Hart-Scott-Rodino (HSR) waiting period in relation to its M&A agreement with AbbVie (NYSE:ABBV) expired without any action from antitrust regulators.

As a result, the company expects its $10B all-cash deal to be acquired



Image and article originally from seekingalpha.com. Read the original article here.