Stock Track | Cidara Therapeutics Soars 13.63% After-Hours on Potential Merck Acquisition

Stock Track

Nov 14, 2025

Shares of Cidara Therapeutics (CDTX) surged 13.63% in after-hours trading on Thursday, as news broke about a potential acquisition by pharmaceutical giant Merck. The significant jump in stock price comes amid reports that Merck is nearing a deal to acquire the flu treatment start-up.

According to the Financial Times, Merck is in advanced talks to purchase Cidara Therapeutics. The deal is expected to value Cidara at a premium to its current market capitalization of $3.3 billion, highlighting the potential value Merck sees in Cidara's flu treatment technology. This premium valuation is likely the primary driver behind the stock's impressive after-hours performance.

Investors and market watchers are eagerly anticipating further details, as sources suggest the announcement could come as soon as Friday. The imminent nature of the potential deal has created a buzz in the pharmaceutical sector, with many seeing this as a strategic move by Merck to bolster its position in the flu treatment market. As always, investors are advised to stay tuned for official announcements and to consider the inherent risks associated with pre-deal stock movements.

Disclaimer: Investing carries risk. This is not financial advice. The above content should not be regarded as an offer, recommendation, or solicitation on acquiring or disposing of any financial products, any associated discussions, comments, or posts by author or other users should not be considered as such either. It is solely for general information purpose only, which does not consider your own investment objectives, financial situations or needs. TTM assumes no responsibility or warranty for the accuracy and completeness of the information, investors should do their own research and may seek professional advice before investing.

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