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June 01, 2026
A California federal jury Monday returned a verdict finding Citron Research founder Andrew Left guilty of using his public platform, including tweets, to manipulate the stock prices of a slew of companies, according to the U.S. Department of Justice.
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May 21, 2026
A former U.S. Securities and Exchange Commission financial economist testified Thursday in the criminal securities fraud case against Citron Research founder Andrew Left, telling a California federal jury that allegedly deceptive tweets posted by the "activist investor" clearly had a "statistically significant" impact on companies' stock prices.
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May 15, 2026
An inspector with the U.S. Postal Service told a California federal jury considering securities fraud charges against Citron Research founder Andrew Left on Friday that even as she participated in the FBI's raid of his home, Left called her and spoke at length about the allegations against him for over an hour.
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May 12, 2026
A cannabis company CEO testified Tuesday as the first witness in Citron Research founder Andrew Left's criminal securities fraud trial, telling a California federal jury that Left published an inaccurate short sale report on his company that quickly tanked its stock even though it appears he lacked the "conviction" of his attack.
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May 01, 2026
A California federal judge has trimmed Citron Research founder Andrew Left's securities fraud case by throwing out one criminal count accusing him of making false statements to federal agents, finding the proper venue for the charge is in Florida where the statements allegedly were made.
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April 09, 2026
A California federal judge has rejected Citron Research founder Andrew Left's bid to trim the federal government's criminal securities fraud case, saying the indictment's first count is not "duplicitous" because it alleges a single market-manipulation scheme involving multiple misleading statements and does not need to be split into multiple counts.
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July 07, 2025
An attorney for Citron Research's founder, short-seller activist Andrew Left, urged a California federal judge Monday to dismiss the federal government's "absurd" criminal securities fraud case against Left, arguing that it's an unprecedented effort to criminalize free speech.
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February 20, 2025
The well-known activist short-seller Andrew Left shouldn't escape U.S. Department of Justice allegations he improperly made $16 million using bait-and-switch tactics to manipulate trading prices, prosecutors have argued, saying the indictment makes it clear he's been charged with "a classic securities fraud scheme."
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January 28, 2025
Citron Research's founder urged a California federal judge to throw out the federal government's securities fraud case alleging he published unfavorable reports about companies to manipulate stock prices, arguing Monday he never published false information about any public company, and prosecutors fail to allege he intended to defraud his audience.
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October 07, 2024
The founder of Citron Research, a newsletter for short sellers, has asked a California federal court to dismiss the U.S. Securities and Exchange Commission's fraud suit against him and his investment advisory firm, arguing the suit "strategically omits" the disclaimers it accused the founder of not making.