Sofinnova Venture Partners IX, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for ArriVent Biopharma, Inc. Common Stock, $0.0001 Par Value per Share (AVBP)

Filing Manager: Sofinnova Venture Partners IX, L.P.
Reporting Manager: Sofinnova Venture Partners XI, L.P. ("SVP XI")
Security: ArriVent Biopharma, Inc. Common Stock, $0.0001 Par Value per Share
Symbol: AVBP
Shares outstanding: 41,384,195 shares
Disclosed Ownership: 1,696,752 shares
Ownership: 4.1%
Form type: SCHEDULE 13G/A
Filing time: 05 Mar 2026, 06:08:56 UTC
Date of event: 31 Dec 2025
SEC: View on sec.gov

Reporting Managers (5)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title
Sofinnova Venture Partners XI, L.P. ("SVP XI")	4.1%	1,696,752	1,696,752	0	/s/ Nathalie Auber	Nathalie Auber, Attorney-in-Fact
Sofinnova Management XI, L.P. ("SM XI LP")	4.1%	1,696,752	1,696,752	0	/s/ Nathalie Auber	Nathalie Auber, Attorney-in-Fact
Sofinnova Management XI, L.L.C. ("SM XI LLC")	4.1%	1,696,752	1,696,752	0	/s/ Nathalie Auber	Nathalie Auber, Attorney-in-Fact
Dr. James I. Healy ("Healy")	4.1%	1,696,752	0	1,696,752	/s/ Nathalie Auber	Nathalie Auber, Attorney-in-Fact
Dr. Maha Katabi ("Katabi")	4.1%	1,696,752	0	1,696,752	/s/ Nathalie Auber	Nathalie Auber, Attorney-in-Fact