SEPTERNA INC

Ticker: SEPN CUSIP: 81734D104 Class: Common Stock

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 75,945 Value ($000) $2,117 Avg Close $23.88 Range $17.55 - $30.50

Q2 2025

Shares 17,774 Value ($000) $188 Avg Close $8.24 Range $4.66 - $11.36

Q4 2024

Shares 404,882 Value ($000) $9,272 Avg Close $23.65 Range $18.62 - $28.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75,945	$2,117	$23.88	$17.55 - $30.50
Q2 2025	17,774	$188	$8.24	$4.66 - $11.36
Q4 2024	404,882	$9,272	$23.65	$18.62 - $28.99