Magnetar Financial LLC Acquires 5.87% Stake in Astria Therapeutics

Magnetar Financial LLC, along with its affiliates, has acquired a 5.87% stake in Astria Therapeutics, Inc. through the purchase of 3,312,202 shares. The shares were acquired after the public announcement of a merger agreement between Astria Therapeutics and BioCryst Pharmaceuticals. The total amount spent on these acquisitions was $39,478,129.72. The filing indicates that the shares were purchased for the purpose of receiving the merger consideration upon the consummation of the merger. The merger agreement, dated October 14, 2025, stipulates that each share of Astria Common Stock will be converted into 0.59 shares of BioCryst Common Stock and $8.55 in cash. The filing also includes details of the transactions made by Magnetar Financial LLC and its affiliates over the past 60 days.