SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 400,000 Value ($000) $16,456 Avg Close $37.92 Range $24.65 - $45.00
Q3 2025
Shares 400,000 Value ($000) $11,764 Avg Close $21.76 Range $16.14 - $30.61
Q2 2025
Shares 400,000 Value ($000) $6,940 Avg Close $13.10 Range $7.25 - $18.85
Q1 2025
Shares 400,000 Value ($000) $4,184 Avg Close $16.34 Range $10.27 - $25.19