Sionna Therapeutics (SION) Shares Outstanding (2024 - 2026)

Sionna Therapeutics has reported Shares Outstanding over the past 3 years, most recently at $45.1 million for Q1 2026.

• Shares Outstanding reached $45.1 million in Q1 2026 per SION's latest filing, up from $44.7 million in the prior quarter.
• Across five years, Shares Outstanding topped out at $45.1 million in Q1 2026 and bottomed at $3.1 million in Q1 2024.
• Median Shares Outstanding over the past 3 years was $44.1 million (2025), compared with a mean of $26.5 million.
• The largest annual shift saw Shares Outstanding skyrocketed 1321.01% in 2025 before it grew 2.23% in 2026.
• Over 3 years, Shares Outstanding stood at $4.7 million in 2024, then skyrocketed by 846.98% to $44.7 million in 2025, then grew by 0.79% to $45.1 million in 2026.
• Business Quant data shows Shares Outstanding for SION at $45.1 million in Q1 2026, $44.7 million in Q4 2025, and $44.5 million in Q3 2025.

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