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Sanofi completes acquisition of Dynavax Technologies

PUBLIC · SNYApr 23, 2026

Acquiring Company

Sanofi

Acquired Company

Dynavax Technologies

EmeryvilleBiotechnologyHealth CareMedicalPharmaceuticalBiotechnologyHealth CareTherapeuticsBiopharma

Description

Sanofi has completed its acquisition of Dynavax Technologies. This acquisition is aimed at enhancing Sanofi's vaccine development and immunotherapy capabilities. The deal aligns with Sanofi's strategic focus on expanding its portfolio in the biopharmaceutical sector. The integration is expected to drive future growth and innovation.

Quick answer

Sanofi is acquiring Dynavax Technologies, announced April 23, 2026.

How much did Sanofi pay for Dynavax Technologies?
The deal value was not disclosed.
What does Sanofi do?
LONDON--(BUSINESS WIRE)--Gyroscope Therapeutics Holdings plc (Gyroscope), a clinical-stage gene therapy company focused on diseases of the eye, today announced that Sanofi, a global biopharmaceutical company, has..
Where are Sanofi and Dynavax Technologies based?
Dynavax Technologies is based in Emeryville, California, United States.
Who are the decision-makers at Sanofi?
Fundz holds 4 contacts at Sanofi. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

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Company Information

Company

Sanofi

About

LONDON--(BUSINESS WIRE)--Gyroscope Therapeutics Holdings plc (Gyroscope), a clinical-stage gene therapy company focused on diseases of the eye, today announced that Sanofi, a global biopharmaceutical company, has committed to invest up to USD $60.0 million (GBP £44.5 million) in equity in Gyroscope.

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Frequently asked

Who acquired Dynavax Technologies?

Dynavax Technologies was acquired by Sanofi. The deal was reported on April 23, 2026. Sanofi is publicly traded (SNY) and operates in Biotechnology.

When did Sanofi acquire Dynavax Technologies?

Sanofi's acquisition of Dynavax Technologies was reported on April 23, 2026. Sanofi has completed its acquisition of Dynavax Technologies. This acquisition is aimed at enhancing Sanofi's vaccine development and immunotherapy capabilities. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Dynavax Technologies do?

Dynavax Technologies Corp. is a biopharmaceutical company that focuses on developing and commercializing novel vaccines. It is privately held, operating in Biotechnology, and is based in Emeryville.

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