The husband of a New York Linklaters associate was arrested Wednesday in Boston on federal insider trading charges in a case that alleges he profited from knowledge garnered through his wife's M&A work.

Fei Yan, 31, is accused of making more than $120,000 on illegal trades in the stock of two companies poised for corporate transactions that his wife helped to handle while at Linklaters.

Those deals, according to a separate civil lawsuit filed against Yan by the U.S. Securities and Exchange Commission in Manhattan federal court, included Stillwater Mining Co.'s Dec. 9, 2016, acquisition by South Africa's Sibanye Gold Ltd. for $2.2 billion, in which Linklaters represented Sibanye, and Linklaters client Steinhoff International Holdings' $3.8 billion purchase of Mattress Firm Holding Corp. in September.