November 29, 2025

ROSEN, TRUSTED INVESTOR COUNSEL, Encourages StubHub Holdings, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action – STUB Leave a reply NEW YORK, Nov. 29, 2025 (GLOBE NEWSWIRE) — WHY: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of common stock of StubHub Holdings, Inc. (NYSE: STUB) pursuant and/or traceable to the Registration Statement issued in connection with StubHub’s September 2025 initial public offering (the “IPO”). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than January 23, 2026. SO WHAT: If you purchased StubHub common stock you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. WHAT TO DO NEXT: To join the StubHub class action, go to https://rosenlegal.com/submit-form/?case_id=48412 or call Phillip Kim, Esq. at 866-767-3653 or email [email protected] for more information. A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than January 23, 2026. A lead plaintiff is a representative party acting on behalf of other class members in directing the litigation. WHY ROSEN LAW: We encourage investors to select qualified counsel with a track record of success in leadership roles. Often, firms issuing notices do not have comparable experience, resources, or any meaningful peer recognition. Be wise in selecting counsel. The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm achieved, at that time, the largest ever securities class action settlement against a Chinese Company. Rosen Law Firm was Ranked No. 1 by ISS Securities Class Action Services for number of securities class action

ATYR DEADLINE: ROSEN, LEADING INVESTOR COUNSEL, Encourages aTyr Pharma, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action – ATYR Leave a reply NEW YORK, Nov. 29, 2025 (GLOBE NEWSWIRE) — WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of common stock of aTyr Pharma, Inc. (NASDAQ: ATYR) between January 16, 2025 and September 12, 2025, both dates inclusive (the “Class Period”), of the important December 8, 2025 lead plaintiff deadline. SO WHAT: If you purchased aTyr Pharma common stock during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. WHAT TO DO NEXT: To join the aTyr Pharma class action, go to https://rosenlegal.com/submit-form/?case_id=46109 or call Phillip Kim, Esq. toll-free at 866-767-3653 or email [email protected] for information on the class action. If you wish to serve as lead plaintiff, you must move the Court no later than December 8, 2025. A lead plaintiff is a representative party acting on behalf of other class members in directing the litigation. WHY ROSEN LAW: We encourage investors to select qualified counsel with a track record of success in leadership roles. Often, firms issuing notices do not have comparable experience, resources, or any meaningful peer recognition. Many of these firms do not actually litigate securities class actions, but are merely middlemen that refer clients or partner with law firms that actually litigate the cases. Be wise in selecting counsel. The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm has achieved, at that time, the largest ever securities class action settlement against a Chinese Company. Rosen Law Firm was Ranked No. 1 by ISS Securities Class Action Services for