SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025

Shares 1,129 Value ($000) $46 Avg Close $37.92 Range $24.65 - $45.00

Q3 2025

Shares 4,490 Value ($000) $132 Avg Close $21.76 Range $16.14 - $30.61

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,129	$46	$37.92	$24.65 - $45.00
Q3 2025	4,490	$132	$21.76	$16.14 - $30.61