SEPTERNA INC

Ticker: SEPN CUSIP: 81734D104 Class: Common Stock

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

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

Q4 2025

Shares 55,332 Value ($000) $1,543 Avg Close $23.88 Range $17.55 - $30.50

Q3 2025

Shares 51,631 Value ($000) $971 Avg Close $13.12 Range $10.30 - $18.99

Q2 2025

Shares 48,489 Value ($000) $513 Avg Close $8.24 Range $4.66 - $11.36

Q1 2025

Shares 38,376 Value ($000) $222 Avg Close $11.42 Range $4.17 - $23.85

Q4 2024

Shares 38,093 Value ($000) $872 Avg Close $23.65 Range $18.62 - $28.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	55,332	$1,543	$23.88	$17.55 - $30.50
Q3 2025	51,631	$971	$13.12	$10.30 - $18.99
Q2 2025	48,489	$513	$8.24	$4.66 - $11.36
Q1 2025	38,376	$222	$11.42	$4.17 - $23.85
Q4 2024	38,093	$872	$23.65	$18.62 - $28.99