Federal Prosecutors Charge 30 in Decade-Long Insider Trading Scheme Involving Major Mergers

Bearish (-0.9)Impact: High

Published on May 7, 2026 (2 hours ago) · By Vibe Trader

Federal prosecutors have charged 30 individuals in connection with a decade-long insider trading scheme, with 19 arrests made as of Wednesday, according to the U.S. Attorney’s Office for the District of Massachusetts [1]. The scheme allegedly involved attorneys, including California attorney Nicolo Nourafchan, who is identified as the orchestrator, leveraging their positions at large law firms to access confidential information about pending mergers and acquisitions in exchange for kickbacks [1]. Nourafchan faces two additional counts of obstruction of justice [1].

Authorities allege that Nourafchan, along with New York attorney Robert Yadgarov, solicited other attorneys and industry insiders for confidential information, offering hundreds of thousands of dollars in cash in return [1]. This information was then passed to a network of traders and middlemen, including Gavryel Silverstein and Lorenzo Nourafchan, who executed trades based on the non-public information or relayed it further, all with the goal of profiting from anticipated market moves [1].

The scheme reportedly generated tens of millions of dollars in illicit profits and involved nearly 30 merger deals, including some of the largest public company transactions over the past decade [1]. In one cited instance, Nourafchan allegedly accessed confidential documents related to the acquisition of iRobot, a deal that was ultimately abandoned [1]. The network of traders operated both overseas and in U.S. states such as California, Florida, New York, and New Jersey, often communicating in code to evade law enforcement detection [1].

The 30 defendants face a range of federal charges, including conspiracy to commit securities fraud [1]. Ted Docks, special agent in charge of the FBI’s Boston Division, emphasized the seriousness of the crimes, stating, "Everyone charged today is accused of scoring significant profits from expected market moves and making out like bandits. That’s not merely gaming the system – it’s a federal crime" [1]. Two suspects remain at large, located in Russia and Israel, and are considered fugitives [1].

CONCLUSION

The sweeping charges and arrests underscore the scale and sophistication of the alleged insider trading operation, which spanned a decade and involved major public company deals. Market participants are likely to view this as a significant enforcement action, highlighting increased regulatory scrutiny and the risks associated with illicit trading activities.

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