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Vir Biotechnology Enters Multi-Program Collaboration and License Agreement with Gilead Sciences to Discover and Develop Novel PRO-XTEN® Dual-masked T-cell Engagers for Solid Tumors

$VIRPress releaseOct 14, 2026, 8:30 AM ETRead the release

Vir Biotechnology announced a collaboration and license agreement with Gilead to discover and develop three novel PRO-XTEN dual-masked T-cell engagers for solid tumors, with Gilead taking an exclusive license to develop and commercialize the candidates. Vir receives up to $135 million in upfront and near-term preclinical milestones, comprising $65 million cash, a $25 million equity investment at a 30% premium, and up to $45 million in milestones. Beyond that, Vir is eligible for up to $1.74 billion in development, regulatory and commercial milestones plus tiered high single-digit to low double-digit royalties on net sales.

Key figures

Deal Value Usd
$1.74 billion potential milestones
Royalties
tiered high single-digit to low double-digit on net sales
Upfront cash
$65 million
Equity investment
$25 million
Preclinical milestones
$45 million
Equity investment premium
30%
Total potential milestones
$1.74 billion
Upfront and near term payments
$135 million

AI analysis

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    VIR: Vir Biotechnology Enters Multi-Program Collaboration and License Agreement with Gilead Sciences to Discover and Develop Novel PRO-XTEN® Dual-masked T-cell Engagers for Solid Tumors — AI Analysis | Signal8