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Form 8-K · Current Report · Filed 2025-10-03

Halozyme Announces Merger with Elektrofi

On September 30, 2025, Halozyme Therapeutics, Inc.

Filer
Halozyme Therapeutics Inc. HALO · NASDAQ
Filed
Accession
0001193125-25-230348
CIK
0001159036
Signal
High impactHealthcare

Details

entered into an Agreement and Plan of Merger with Elektrofi, Inc., where Halozyme will acquire Elektrofi for an upfront cash consideration of $750 million. The transaction is subject to customary closing conditions and includes up to three additional milestone payments contingent on product regulatory approvals. The Merger Agreement is detailed in Exhibit 2.1.

Items reported

Item 1.01

Entry into a Material Definitive Agreement

M&A Agreement
Item 9.01

Financial Statements and Exhibits

Exhibits Furnished

Market reaction

Close before filing

$71.69

Next session

-6.6%

Since filing

+53.8%

Latest close

$110.24

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from HALO reporting the same item, with the next session's move:

Halozyme Therapeutics Announces Acquisition of Elektrofi to Expand Drug Delivery Capabilities-2.2%
Halozyme Therapeutics Raises 2025 Financial Guidance and Reports Strong Q2 2025 Results+3.9%
Halozyme Reports Strong Q1 2025 Results and Raises Financial Guidance+15.7%
Halozyme Therapeutics Reports Strong 2024 Financial Results and Reiterates 2025 Guidance-0.9%
Halozyme Raises 2025 and Multi-Year Financial Guidance, Announces $250M Share Repurchase+3.1%

About Halozyme Therapeutics Inc.

Halozyme Therapeutics Inc. is a biopharmaceutical company that specializes in developing and commercializing treatments focused on enhanced subcutaneous drug delivery. The company's proprietary technology, ENHANZE, aims to improve the efficacy and convenience of existing therapies by facilitating faster drug absorption and reducing the need for intravenous administration. Halozyme partners with major pharmaceutical companies to integrate its technology with a variety of treatments, significantly impacting the oncology, immunology, and genetic disorder sectors. This collaboration model helps expand the reach of its technology across multiple therapeutic applications. Based in San Diego, California, Halozyme is noted for its innovative approach to drug delivery, contributing to the broader pharmaceutical industry's efforts to improve patient experiences and optimize medical outcomes. As a significant player in the biopharmaceutical landscape, Halozyme's advancements continue to drive interest and growth within the market, underscoring the vital role of drug delivery technology in modern medicine.

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