About

Jonathan Richman represents a variety of companies in securities class actions, shareholder derivative actions, internal investigations, SEC investigations, corporate governance, insider trading, D&O insurance and related matters. Many of those matters involve international elements, including representations of non-U.S. issuers in U.S. litigation and in landmark non-U.S. collective settlements under Dutch law in the Netherlands. Jonathan’s clients have included Hewlett Packard, Royal Dutch/Shell, Zurich Insurance Group, Halliburton, and Waste Management.

Jonathan writes extensively on topics ranging from securities and insider-trading law, corporate governance and fiduciary issues to non-U.S. law on collective actions. His articles have been published in major legal publications.

Jonathan is the immediate past co-head of the Firm’s Securities Litigation Group and is currently co-head of the Firm’s Asset Management Group. Before joining Proskauer, Jonathan was a partner at Dewey & LeBoeuf LLP, where he was co-head of the Securities, M&A and Corporate Governance Litigation Practice Group.

Latest Post

Court Upholds SEC’s Victory in “Shadow Trading” Case

September 10, 2024

A federal court in California refused to grant a judgment or a new trial to a defendant who was found to have engaged in insider trading when he purchased securities of one company based on material nonpublic information (“MNPI”) about a different company. The September 9, 2024 decision in SEC v. Panuwat (N.D. Cal.) leaves intact a jury verdict that could embolden the SEC to pursue more claims of “shadow trading,” which involves trading the securities of a public company that was not the direct subject of the MNPI but whose stock price allegedly was affected by a “spillover” impact from that information.