CompletedHealthcare5 August 2025

Sanofi to acquire Vigil Neuroscience, Inc.

Verified deal facts, source-backed narrative, and the Exit Mode founder lens for SME readers preparing to sell.

Deal facts

Buyer
Sanofi
Target
Vigil Neuroscience, Inc.
Deal value
Not disclosed
Announced
5 August 2025
Status
Completed
Sector
Healthcare
Country
United States
Consideration
cash, earn-out
What we know

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Deal timeline

1 update
  1. CompletedClosed

    Sanofi completes acquisition of Vigil Neuroscience, Inc.

    INTRODUCTORY NOTE On August 5, 2025 (the “ Closing Date ”), Sanofi, a French société anonyme (“ Parent ” or “ Sanofi ”), completed the previously announced acquisition of Vigil Neuroscience, Inc., a Delaware corporation (the “ Company ” or “ Vigil” ), pursuant to the Agreement and Plan of Merger, dated as of May 21, 2025 (the “ Merger Agreement ”), by and among Vigil, Sanofi, and Vesper Acquisitio

    Source

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Buyer history

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Methodology

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