Thu. Oct 9th, 2025

Novartis Launches Tender Offer to Acquire Tourmaline Bio for $48 Per Share

ByLisa Luckas

09/29/2025
Jörg Reinhardt Novartis Chair of the Board of DirectorsJörg Reinhardt Novartis Chair of the Board of DirectorsJörg Reinhardt Novartis Chair of the Board of Directors

**Novartis Launches Tender Offer to Acquire Tourmaline Bio for $48 Per Share**

**BASEL, Switzerland** – Global healthcare company Novartis announced Monday it has commenced a cash tender offer to acquire all outstanding shares of Tourmaline Bio, Inc.

The offer, made through a Novartis subsidiary, is for $48 per share. It follows a merger agreement between the two companies dated September 8, 2025. Novartis, a Swiss firm, is seeking to purchase the Delaware-incorporated biopharmaceutical company Tourmaline to expand its portfolio.

The tender offer was initiated on September 29, 2025, and is scheduled to expire at 11:59 p.m. ET on October 27, 2025, unless extended. Tourmaline’s board of directors has recommended that its stockholders accept the offer.

The acquisition is contingent on customary closing conditions, including the tender of a majority of Tourmaline’s outstanding shares and the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act. The deal is not subject to a financing condition.

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