Polar Asset Management Partners Inc. - 30 Jun 2025 SCHEDULE 13G/A Report for Silverbox Corp IV Class A ordinary shares, par value $0.0001 per share (SBXDU)

Filing Manager: Polar Asset Management Partners Inc.
Reporting Manager: Polar Asset Management Partners Inc.
Security: Silverbox Corp IV Class A ordinary shares, par value $0.0001 per share
Symbol: SBXDU
Shares outstanding: 20.6M shares
Disclosed Ownership: 1.48M shares
Ownership: 7.2%
Form type: SCHEDULE 13G/A
Filing time: 14 Aug 2025, 14:44:10 UTC
Date of event: 30 Jun 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.	7.2%	1.48M	1.48M	0	Andrew Ma	Chief Compliance Officer