SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

TD Asset Management Inc's Holding History (CIK: 0001056053)

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

Q4 2025

Shares 113,352 Value ($000) $4,663 Avg Close $37.92 Range $24.65 - $45.00

Q3 2025

Shares 87,082 Value ($000) $2,561 Avg Close $21.76 Range $16.14 - $30.61

Q2 2025

Shares 49,966 Value ($000) $867 Avg Close $13.10 Range $7.25 - $18.85

Q1 2025

Shares 55,366 Value ($000) $579 Avg Close $16.34 Range $10.27 - $25.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	113,352	$4,663	$37.92	$24.65 - $45.00
Q3 2025	87,082	$2,561	$21.76	$16.14 - $30.61
Q2 2025	49,966	$867	$13.10	$7.25 - $18.85
Q1 2025	55,366	$579	$16.34	$10.27 - $25.19