ARRIVENT BIOPHARMA INC

Ticker: AVBP CUSIP: 04272N102 Class: Common Stock

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

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

Q3 2025

Shares 700,000 Value ($000) $12,915 Avg Close $19.65 Range $16.10 - $23.38

Q2 2025

Shares 700,000 Value ($000) $15,239 Avg Close $20.76 Range $15.47 - $25.80

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	700,000	$12,915	$19.65	$16.10 - $23.38
Q2 2025	700,000	$15,239	$20.76	$15.47 - $25.80