SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

Bank of New York Mellon Corp's Holding History (CIK: 0001390777)

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

Q4 2025

Shares 35,134 Value ($000) $1,445 Avg Close $37.92 Range $24.65 - $45.00

Q3 2025

Shares 27,463 Value ($000) $808 Avg Close $21.76 Range $16.14 - $30.61

Q2 2025

Shares 24,131 Value ($000) $419 Avg Close $13.10 Range $7.25 - $18.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,134	$1,445	$37.92	$24.65 - $45.00
Q3 2025	27,463	$808	$21.76	$16.14 - $30.61
Q2 2025	24,131	$419	$13.10	$7.25 - $18.85