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District Court for the Southern District of New York against us and certain of our current and former officers (Shih v.
−Removed: Amylyx Pharmaceuticals, Inc., et al.
−Removed: , Case Number 1:24-CV-00988, or the Shih Complaint).
+Added: Amylyx Pharmaceuticals, Inc., et al., Case Number 1:24-CV-00988, or the Shih Complaint).
Plaintiff filed an amended complaint on June 24, 2024.
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Following the transfer, on September 6, 2024, defendants moved to dismiss the Shih Complaint.
−Removed: Plaintiff filed his opposition to defendants’ motion to dismiss on October 21, 2024 and defendants filed their reply brief in further support of their motion to dismiss on November 20, 2024.
+Added: On September 30, 2025, the Court issued an order finding that the majority of the alleged misstatements are inactionable, but ultimately denied the motion to dismiss.
+Added: The Company filed an answer on October 30, 2025.
+Added: The parties have agreed to participate in a confidential mediation, currently scheduled for March 12, 2026, in an attempt to resolve this action, and will provide a status update to the court by April 12, 2026.
In addition to the Shih Complaint, on October 2, 2024, a derivative complaint was filed in the U.S.
District Court for the District of Massachusetts against certain current and former director and officer defendants, or the Individual Defendants, naming us as a nominal defendant (Jones v.
−Removed: Cohen, et al ., 1:24-CV-12527, or the Derivative Complaint).
+Added: Cohen, et al., 1:24-CV-12527, or the Jones Derivative Complaint).
The substantive allegations mirror those of the Shih Complaint but also include claims for alleged violations of Section 14(a) of the Exchange Act, breach of fiduciary duty, insider trading, and unjust enrichment against the Individual Defendants.
−Removed: The Derivative Complaint seeks unspecified damages to be awarded to the Company along with interest, restitution, unspecified corporate governance and internal procedural reforms and improvements, and plaintiff's attorneys' fees and costs.
+Added: The Jones Derivative Complaint seeks unspecified damages to be awarded to the Company along with interest, restitution, unspecified corporate governance and internal procedural reforms and improvements, and plaintiff's attorneys' fees and costs.
On October 31, 2024, the Court entered an order staying the action until the earlier of the dismissal of the Shih Complaint with prejudice, including the exhaustion of all appeals, or defendants file an answer to the Shih Complaint.
−Removed: We intend to defend against the Shih Complaint and Derivative Complaint vigorously.
−Removed: At this time, an estimate of the impact, if any, of the claims made in the Shih Complaint and Derivative Complaint cannot be made.
+Added: On July 2, 2025, a second derivative complaint was filed in the Court against certain current and former directors and officer defendants, naming the Company as nominal defendant (Hassine v.
+Added: Cohen, et al., 1:25-CV-11879, or the Hassine Derivative Complaint and, together with the Jones Derivative Complaint, the Derivative Complaints).
+Added: The substantive allegations mirror those of the Shih Complaint but also include claims for alleged violations of Sections 14(a), 10(b), and 21D of the Exchange Act, breach of fiduciary duty, and certain other common law claims.
+Added: The Hassine Derivative Complaint seeks unspecified damages to be awarded to the Company along with interest, costs, and attorneys’ fees, restitution, and certain corporate governance and internal procedural reforms and improvements.
+Added: On July 16, 2025, the parties to both Derivative Complaints moved the Court to consolidate the Hassine Derivative Complaint with the Jones Derivative Complaint and stay the action according to the terms of the previously-entered stay of the Jones Derivative Complaint.
+Added: The Court approved the motion on July 22, 2025.
+Added: Due to the above-referenced mediation currently scheduled for March 12, 2026, the previously-entered stay has been extended through April 30, 2026, at which point the parties will determine whether to enter a proposed case schedule or further extend the stay.
+Added: We intend to defend against the Shih Complaint and Derivative Complaints vigorously.
+Added: At this time, an estimate of the impact, if any, of the claims made in the Shih Complaint and Derivative Complaints cannot be made.
Mine Safety Disclosures.
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Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.