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ClosedPublished 7 Jan 2026

Merck /
Cidara Therapeutics, Inc.

Merck completes Cidara Therapeutics acquisition

Buy side: Merck
Buy sideMerck
Target: Cidara Therapeutics, Inc.
TargetCidara Therapeutics, Inc.
Caymus Purchaser, Inc. · 7 Jan 2026Source
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Buy side: Merck
Buy sideMerck
Target: Cidara Therapeutics, Inc.
TargetCidara Therapeutics, Inc.
01 / BuyerMerck
02 / TargetCidara Therapeutics, Inc.
Source for the buyer and target: Caymus Purchaser, Inc.

For the buyer and target.

“Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced the successful completion of the cash tender offer, through a subsidiary, for all the outstanding shares of common stock of Cidara Therapeutics, Inc. (Nasdaq: CDTX) (“Cidara”).”

Published 7 Jan 2026

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01

What happened

Merck completed its cash tender offer for Cidara Therapeutics, Inc. at $221.50 per share of common stock of Cidara. Following the merger, Cidara became a wholly owned subsidiary of Merck. [01]

The acquisition is expected to increase 2026 research and development expenses by approximately $9.0 billion. [01]

02

The source

Everything on this page comes from the source below, quoted word for word.

01
Source · Caymus Purchaser, Inc.

Merck completes Cidara Therapeutics acquisition

This document is the source for the companies, stage, figure and people on this page.

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03

Timeline

Every date the source states, in order, each with the words it comes from. Anything marked ahead is a target the source gives, not something that has happened.

  1. Published by Caymus Purchaser, Inc.

    The source this page is built from.

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