<div id="readability-page-1"><div>GBIO Stock Alert: Halper Sadeh LLC is Investigating Whether the Sale of Generation Bio Co. is Fair to Shareholders Shareholders should contact the firm immediately as there may be limited time to enforce your rights. Halper Sadeh LLC, an investor rights law firm, is investigating whether the sale of Generation Bio Co. (NASDAQ: GBIO) to XOMA Royalty Corporation for $4.2913 per share and one non-transferable contingent value right per share entitling holders to receive potential payments under certain conditions is fair to Generation Bio shareholders. Halper Sadeh encourages Generation Bio shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Halper at (212) 763-0060 or sadeh@halpersadeh.com or zhalper@halpersadeh.com. The investigation concerns whether Generation Bio and its board of directors violated the federal securities laws and/or breached their fiduciary duties to shareholders by failing to, among other things: (1) obtain the best possible consideration for Generation Bio shareholders; (2) determine whether XOMA is underpaying for Generation Bio; and (3) disclose all material information necessary for Generation Bio shareholders to adequately assess and value the merger consideration. On behalf of Generation Bio shareholders, Halper Sadeh LLC may seek increased consideration for shareholders, additional disclosures and information concerning the proposed transaction, or other relief and benefits. We would handle the action on a contingent fee basis, whereby you would not be responsible for out-of-pocket payment of our legal fees or expenses. Halper Sadeh LLC represents investors all over the world who have fallen victim to securities fraud and corporate misconduct. Our attorneys have been instrumental in implementing corporate reforms and recovering millions of dollars on behalf of defrauded investors. Attorney Advertising. Prior results do not guarantee a similar outcome. <img src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1tc3RyMyZzdHk9MjAyNTEyMTUwMjYwMzRyMQ?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1tc3RyMyZzdHk9MjAyNTEyMTUwMjYwMzRyMQ"/> Halper Sadeh LLC One World Trade Center 85th Floor New York, NY 10007 Daniel Sadeh, Esq. Zachary Halper, Esq. (212) 763-0060 sadeh@halpersadeh.com zhalper@halpersadeh.com https://www.halpersadeh.com View source version on businesswire.com: https://www.businesswire.com/news/home/20251215026034/en/</div></div>

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Halper Sadeh LLC is investigating the fairness of Generation Bio Co.'s sale to XOMA Royalty Corporation for $4.2913 per share and a contingent value right. The investigation focuses on whether the sale price is adequate and if all necessary information was disclosed to shareholders. Halper Sadeh LLC may seek increased consideration or additional disclosures for Generation Bio shareholders.