SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

SILVERARC CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001816307)

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

Q4 2025

Shares 41,460 Value ($000) $1,706 Avg Close $37.92 Range $24.65 - $45.00

Q3 2025

Shares 108,801 Value ($000) $3,200 Avg Close $21.76 Range $16.14 - $30.61

Q2 2025

Shares 186,015 Value ($000) $3,227 Avg Close $13.10 Range $7.25 - $18.85

Q1 2025

Shares 114,138 Value ($000) $1,194 Avg Close $16.34 Range $10.27 - $25.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	41,460	$1,706	$37.92	$24.65 - $45.00
Q3 2025	108,801	$3,200	$21.76	$16.14 - $30.61
Q2 2025	186,015	$3,227	$13.10	$7.25 - $18.85
Q1 2025	114,138	$1,194	$16.34	$10.27 - $25.19