<div id="readability-page-1"><div> <div> Shareholders should contact the firm immediately as there may be limited time to enforce your rights. , /PRNewswire/ -- Halper Sadeh LLC, an investor rights law firm, is investigating the following companies for potential violations of the federal securities laws and/or breaches of fiduciary duties to shareholders relating to: Mersana Therapeutics, Inc. (NASDAQ: MRSN)'s sale to Day One Biopharmaceuticals, Inc. If you are a Mersana shareholder, click here to learn more about your legal rights and options. Cidara Therapeutics, Inc. (NASDAQ: CDTX)'s sale to Merck for $221.50 per share in cash. If you are a Cidara shareholder, click here to learn more about your rights and options. Ryerson Holding Corporation (NYSE: RYI)'s merger with Olympic Steel, Inc. Upon completion of the proposed transaction, Ryerson shareholders will own approximately 63% of the combined company. If you are a Ryerson shareholder, click here to learn more about your rights and options. Halper Sadeh LLC may seek increased consideration for shareholders, additional disclosures and information concerning the proposed transaction, or other relief and benefits on behalf of shareholders. 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. Shareholders are encouraged to contact the firm free of charge to discuss their legal rights and options. Please call Daniel Sadeh or Zachary Halper at (212) 763-0060 or email [email protected] or [email protected]. 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. Contact Information: Halper Sadeh LLC Daniel Sadeh, Esq. Zachary Halper, Esq. (212) 763-0060 [email protected] [email protected] https://www.halpersadeh.com SOURCE Halper Sadeh LLP <img src="https://imageproxy.pbkrs.com/https://rt.prnewswire.com/rt.gif/query-RGF0ZUlkPTIwMjUxMjE3Jk5ld3NJdGVtSWQ9Tlk0OTczNCZUcmFuc21pc3Npb25fSWQ9MjAyNTEyMTcxMjA2UFJfTkVXU19VU1BSX19fX19OWTQ5NzM0?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://rt.prnewswire.com/rt.gif/query-RGF0ZUlkPTIwMjUxMjE3Jk5ld3NJdGVtSWQ9Tlk0OTczNCZUcmFuc21pc3Npb25fSWQ9MjAyNTEyMTcxMjA2UFJfTkVXU19VU1BSX19fX19OWTQ5NzM0"/></div> </div></div>

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Halper Sadeh LLC is investigating Mersana Therapeutics, Cidara Therapeutics, and Ryerson Holding for potential securities law violations and fiduciary breaches. Shareholders are urged to contact the firm to discuss their rights, as Halper Sadeh may seek increased consideration, disclosures, or other relief. The firm offers contingent fee arrangements, representing investors globally in securities fraud cases.

12:06 ET Halper Sadeh LLC Encourages MRSN, CDTX, RYI Shareholders to Contact the Firm to Discuss Their Rights