SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 1,291,599 Value ($000) $53,136 Avg Close $37.92 Range $24.65 - $45.00

Q3 2025

Shares 844,605 Value ($000) $24,840 Avg Close $21.76 Range $16.14 - $30.61

Q2 2025

Shares 637,104 Value ($000) $11,054 Avg Close $13.10 Range $7.25 - $18.85

Q1 2025

Shares 198,396 Value ($000) $2,075 Avg Close $16.34 Range $10.27 - $25.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,291,599	$53,136	$37.92	$24.65 - $45.00
Q3 2025	844,605	$24,840	$21.76	$16.14 - $30.61
Q2 2025	637,104	$11,054	$13.10	$7.25 - $18.85
Q1 2025	198,396	$2,075	$16.34	$10.27 - $25.19