Polar Asset Management Partners Inc. - 31 Dec 2025 SCHEDULE 13G/A Report for Artius II Acquisition Inc. Class A ordinary shares, par value $0.0001 per share (AACB)

Filing Manager: Polar Asset Management Partners Inc.
Reporting Manager: Polar Asset Management Partners Inc.
Security: Artius II Acquisition Inc. Class A ordinary shares, par value $0.0001 per share
Symbol: AACB
Shares outstanding: 22,564,778 shares
Disclosed Ownership: 812,332 shares
Ownership: 3.6%
Form type: SCHEDULE 13G/A
Filing time: 17 Feb 2026, 09:18:25 UTC
Date of event: 31 Dec 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Polar Asset Management Partners Inc.	3.6%	812,332	812,332	0	Andrew Ma	Chief Compliance Officer