Vaxcyte releases September investor presentation

• Vaxcyte released an investor presentation outlining its pneumococcal conjugate vaccine strategy, led by 31-valent candidate VAX-31.
• Enrollment completed in three Phase 3 adult trials for VAX-31, including OPUS-1, a pivotal noninferiority study.
• Topline OPUS-1 adult data expected by end-October 2026; OPUS-2 and OPUS-3 readouts targeted in the first half of 2027.
• Cash, cash equivalents, investments totaled about $2.5 billion as of June 30, 2026.
• Presentation also highlights earlier-stage programs in Group A strep and Shigella, leveraging its cell-free protein synthesis platform.

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