The U.S. Securities and Exchange Commission filed insider trading charges against Usama Malik, the former chief financial officer of Immunomedics Inc. 

The Securities and Exchange Commission (SEC) is charging Matthew Panuwat – a former business development executive at Medivation – with insider trading, according to a complaint filed in court stemming from Pfizer’s acquisition of Medivation in 2016.

The U.S. Securities and Exchange Commission filed an insider trading lawsuit against “unknown traders” who it said engaged in “highly suspicious trading” just ahead of the announcement that hemophilia specialist Bioverativ Inc. agreed to be acquired by France’s Sanofi in an $11.6 billion deal.

Pershing Square, a hedge fund run by activist investor William Ackman, and Valeant decided to settle an insider trading lawsuit with Allergan and pay $290 million.

The U.S. Attorney’s Office in Chicago charged a former Zacks biotech analyst with securities fraud over allegations of insider trading.

The U.S. Securities and Exchange Commission filed insider trading charges against two former executives and the husband of a former staffer of Ariad Pharmaceuticals.