Michael Tam Cam Phung - 09 Feb 2026 SCHEDULE 13D Report for Cambridge Acquisition Corp. Class A Ordinary Shares, $0.0001 par value

Filing Manager: Michael Tam Cam Phung
Reporting Manager: Cam-Phung Michael Tam
Security: Cambridge Acquisition Corp. Class A Ordinary Shares, $0.0001 par value
Shares outstanding: 27,962,203 shares
Disclosed Ownership: 8,162,167 shares
Ownership: 29%
Form type: SCHEDULE 13D
Filing time: 13 Feb 2026, 16:15:44 UTC
Date of event: 09 Feb 2026
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Cam-Phung Michael Tam	29%	8,162,167	0	8,162,167	/s/ Michael Cam- Phung	Michael Cam- Phung	0002085776
Cambridge Sponsor LLC	26%	8,162,167	8,162,167	0	/s/ Michael Cam- Phung	Michael Cam- Phung/Authorized Person