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DOJ expands a decade-long insider-trading case tied to elite law firms

Published
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10

Why it matters

Federal prosecutors in Massachusetts unsealed a sweeping insider-trading indictment this week alleging a decade-long scheme that funneled confidential deal information from major law firms into illicit trading profits exceeding tens of millions of dollars. The conspiracy centered on Yale Law graduate Nicolo Nourafchan and involved corporate attorneys, financial professionals, and traders who exploited nonpublic information from nearly 30 mergers-and-acquisitions transactions. Defendants and co-conspirators are connected to Sidley Austin, Latham & Watkins, Cleary Gottlieb, Goodwin Procter, DLA Piper, Wachtell Lipton, Weil Gotshal, and Willkie Farr. The Justice Department alleges participants used shell entities, foreign accounts, burner phones, and encrypted applications to obscure the activity.

The indictment represents an expansion of an investigation that began with a smaller group of defendants. Several co-conspirators have already pleaded guilty and are cooperating with prosecutors. The scope of additional charges and the identities of all defendants remain under seal or are still being disclosed through court filings.

The case marks a rare, high-profile scandal within BigLaw itself. Attorneys at elite firms allegedly moved sensitive client information directly into trading schemes, exposing their employers to massive liability for breach of fiduciary duty and potential regulatory sanctions. Firms should expect SEC inquiries, client notifications, and internal investigations into information barriers and compliance protocols. For practitioners advising financial-services clients, the case underscores the persistent risk that deal counsel—even at top-tier firms—may be compromised, and the need for heightened scrutiny of trading activity by parties with access to confidential transactions.

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