Citadel Seeks to Intervene in Susquehanna Insider Trading Lawsuit
By: www.bloomberg.com|07/06/2026 15:36:00
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Market maker Citadel Securities is seeking to join the insider trading lawsuit filed in Pennsylvania against Susquehanna International Group (SIG) and its former trader, planning to participate as a "victim." Citadel claims it suffered losses in related U.S. stock and options trading due to the alleged insider trading activities and hopes to be allowed to intervene in a New York court to protect its interests. The case accuses former SIG employees of trading multiple stocks for profit using non-public information. The U.S. SEC is investigating the allegations against Susquehanna, which involve insider trading related to Futu and Tiger's U.S. stock options.
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