Taysha Gene Therapies
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Taysha Gene Therapies (TSHA) investor relations material

Taysha Gene Therapies Q1 2026 earnings summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Q1 2026 earnings summary6 May, 2026

Executive summary

  • Advanced TSHA-102 clinical development with pivotal and pediatric trials, including dosing completion in REVEAL and ASPIRE trials expected in Q2 2026, and all patients in Part A and multiple in Part B dosed as of Q1 2026.

  • Maintained constructive FDA dialogue, achieving alignment on pivotal trial design, endpoints, statistical analysis, CMC requirements, and BLA submission scenarios, including potential approval based on six-month interim analysis.

  • TSHA-102 continues to show favorable tolerability, with no treatment-related serious adverse events or dose-limiting toxicities across all trials as of May 2026.

  • Orphan drug, rare pediatric disease, Fast Track, RMAT, and Breakthrough Therapy designations received for TSHA-102.

  • Commercial infrastructure expanded with experienced leadership to support potential product launch.

Financial highlights

  • Research and development expenses rose to $33.8M for Q1 2026, up from $15.6M in Q1 2025, mainly due to BLA-enabling manufacturing and higher clinical costs.

  • General and administrative expenses increased to $9.7M from $8.2M year-over-year, mainly due to higher compensation and consulting fees.

  • Net loss for Q1 2026 was $42.4M ($0.12/share), compared to $21.5M ($0.08/share) in Q1 2025.

  • Cash and cash equivalents stood at $276.6M as of March 31, 2026, expected to fund operations into 2028.

  • No revenue recognized in Q1 2026; $2.3M recognized in Q1 2025 from Astellas collaboration, now fully recognized.

Outlook and guidance

  • On track to complete dosing in REVEAL pivotal and ASPIRE trials in Q2 2026.

  • Anticipates reporting 12+ month follow-up data from all 12 patients in REVEAL Part A later in Q2 2026.

  • BLA-enabling PPQ campaign for TSHA-102 to be completed in Q4 2026.

  • Plans to share further commercial strategy details in the second half of 2026.

  • Existing cash expected to fund operations into 2028; additional capital may be required for further development and commercialization.

Explain statistical analysis for milestone gains
Impact of PPQ campaign timing on BLA filing
How is efficacy extrapolated for ASPIRE cohort?
FDA's comfort with 6-month BLA submission
Impact of 30x transduction efficiency on TSHA-102
Scalability benefits of intrathecal delivery
Partial view of Summaries dataset, powered by Quartr API
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Q2 202611 Aug, 2026
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Q2 202611 Aug, 2026

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