Securities Litigation and Disclosure Issues
On July 23, 2025, Judge John P. Cronan of the Southern District of New York granted a motion to dismiss a putative securities class action brought against an artificial intelligence (AI) company (the “Company”) and certain of...more
On April 8, 2025, the US Court of Appeals for the Fourth Circuit affirmed the US District Court for the District of Maryland’s dismissal of all claims in Defeo et al. v. IonQ, Inc. et al., a securities class action asserting...more
On May 9, 2025, Judge Edward J. Davila of the Northern District of California granted a motion to dismiss a purported securities class action against a grocery delivery company (the “Company”), certain of its officers and...more
Is a report by a short seller followed by a stock decline enough to plead securities fraud? This month, the Fourth Circuit considered this issue. In Defeo v. IonQ, Inc., a group of investors sued IonQ, a developer of quantum...more
On April 8, 2025, the United States Court of Appeals for the Fourth Circuit affirmed the district court’s denial of a motion to amend a class action complaint against a quantum computing company (the “Company”) and the...more
On April 10, 2025, Judge Charles R. Breyer of the United States District Court for the Northern District of California granted a motion for summary judgment in favor of a software company (the “Company”) in a purported class...more
The United States Court of Appeals for the Fourth Circuit recently joined a growing consensus among federal appellate courts: short-seller reports, without more, rarely suffice to plead loss causation under the federal...more
Our Securities Litigation Group examines the Fourth Circuit decision to limit plaintiffs’ use of short seller reports to plead federal securities claims....more