A group of influential US lawyers has urged Congress to toughen insider trading laws by making insiders liable even when they do not benefit from giving non-public information to traders.

A task force led by Preet Bharara, the former Manhattan US attorney who led a crackdown on insider trading after the financial crisis, issued a report on Monday calling on legislators to eliminate the so-called “personal benefit” test in US insider trading law.

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The others members of “The Bharara Task Force on Insider Trading” were Katherine Goldstein, a partner at Millbank, Melinda Haag, a partner at Orrick, Joan McKown, a partner at Jones Day, John Coffee, the Columbia Law School professor, and Joseph Grundfest, the Stanford Law School professor.