SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

TPG GP A, LLC's Holding History (CIK: 0001903793)

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

Q4 2025

Shares 6,744,962 Value ($000) $277,488 Avg Close $37.92 Range $24.65 - $45.00

Q3 2025

Shares 6,744,962 Value ($000) $198,369 Avg Close $21.76 Range $16.14 - $30.61

Q2 2025

Shares 6,744,962 Value ($000) $117,025 Avg Close $13.10 Range $7.25 - $18.85

Q1 2025

Shares 6,684,962 Value ($000) $69,925 Avg Close $16.34 Range $10.27 - $25.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,744,962	$277,488	$37.92	$24.65 - $45.00
Q3 2025	6,744,962	$198,369	$21.76	$16.14 - $30.61
Q2 2025	6,744,962	$117,025	$13.10	$7.25 - $18.85
Q1 2025	6,684,962	$69,925	$16.34	$10.27 - $25.19