SEPTERNA INC

Ticker: SEPN CUSIP: 81734D104 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 19,600 Value ($000) $546 Avg Close $23.88 Range $17.55 - $30.50

Q3 2025

Shares 22,100 Value ($000) $416 Avg Close $13.12 Range $10.30 - $18.99

Q2 2025

Shares 22,100 Value ($000) $234 Avg Close $8.24 Range $4.66 - $11.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,600	$546	$23.88	$17.55 - $30.50
Q3 2025	22,100	$416	$13.12	$10.30 - $18.99
Q2 2025	22,100	$234	$8.24	$4.66 - $11.36