SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 123,686 Value ($000) $5,088 Avg Close $37.92 Range $24.65 - $45.00

Q3 2025

Shares 111,496 Value ($000) $3,279 Avg Close $21.76 Range $16.14 - $30.61

Q2 2025

Shares 92,832 Value ($000) $1,611 Avg Close $13.10 Range $7.25 - $18.85

Q1 2025

Shares 64,644 Value ($000) $676 Avg Close $16.34 Range $10.27 - $25.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	123,686	$5,088	$37.92	$24.65 - $45.00
Q3 2025	111,496	$3,279	$21.76	$16.14 - $30.61
Q2 2025	92,832	$1,611	$13.10	$7.25 - $18.85
Q1 2025	64,644	$676	$16.34	$10.27 - $25.19