BILLIONTOONE INC

Ticker: BLLN CUSIP: 090168105 Class: Common Stock

Siren, L.L.C.'s Holding History (CIK: 0002005245)

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

Q4 2025

Shares 83,833 Value ($000) $6,861 Avg Close $101.40 Range $80.51 - $138.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	83,833	$6,861	$101.40	$80.51 - $138.70