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Taysha Gene Therapies (TSHA) investor relations material
Taysha Gene Therapies Q2 2025 earnings summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
Executive summary
Achieved FDA and Health Canada alignment on pivotal trial design for TSHA-102 in Rett syndrome, with site activation commenced and patient enrollment expected in Q4 2025; Part A of REVEAL trials showed all evaluable patients gained or regained at least one developmental milestone, with high dose patients achieving milestones faster and no treatment-related serious adverse events or dose-limiting toxicities in 12 patients as of August 2025.
Raised $230M in a follow-on offering in May 2025, extending cash runway into 2028; refinanced debt to $50M with improved terms, and cash and equivalents totaled $312.8M as of June 30, 2025.
Financial highlights
R&D expenses were $20.1M for Q2 2025, up from $15.1M in Q2 2024, driven by manufacturing, clinical trial activities, and increased headcount.
G&A expenses rose to $8.6M from $7.3M year-over-year, mainly due to higher legal and professional fees.
Net loss for Q2 2025 was $26.9M ($0.09/share) versus $20.9M ($0.09/share) in Q2 2024; weighted average shares outstanding increased to 297.99M in Q2 2025 from 232.82M in Q2 2024.
Cash and equivalents totaled $312.8M as of June 30, 2025.
Outlook and guidance
Current cash resources expected to fund operations into 2028; additional capital will be needed for future development, manufacturing, and commercialization activities.
Patient enrollment for the pivotal trial to begin in Q4 2025; new supplemental Part A data to be reported in Q4 2025.
Ongoing regulatory engagement in the US, Canada, and Europe, with a scientific advice meeting scheduled in Europe for early fall.
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