Cam-Phung Michael Tam - 30 Jan 2026 Form 3 Insider Report for Cambridge Acquisition Corp. (CAQ)

Role: Director, 10%+ Owner
Signature: /s/ Michael Cam- Phung
Issuer symbol: CAQ
Transactions as of: 30 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 30 Jan 2026, 20:01:46 UTC
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Cam-Phung Michael Tam	Director, 10%+ Owner	C/O CAMBRIDGE ACQUISITION CORP, ONE LIBERTY SQUARE, 13TH FL, BOSTON	/s/ Michael Cam- Phung	30 Jan 2026	0002085776

This filing has been restated, see here for the amended filing

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	CAQ	Class B Ordinary Shares							30 Jan 2026	Class A Ordinary Shares	7,666,667		See Footnotes	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	As described in the Issuer's Registration Statement on Form S-1, as amended (File No. 333- 292147), under the heading "Description of Securities - Founder Shares," Class B ordinary shares will automatically convert into Class A ordinary shares concurrently with or immediately following the Issuer's initial business combination or earlier at the option of the holder, on a one-for-one basis, subject to certain adjustments.
F2	These shares represent the Class B ordinary shares held by Cambridge Sponsor LLC (the "Sponsor") acquired pursuant to a subscription agreement by and between the Issuer and the Sponsor. The Class B ordinary shares include up to 1,000,000 shares that are subject to forfeiture in the event the underwriters of the Issuer's initial public offering do not exercise in full their over-allotment option as described in the Issuer's registration statement.
F3	The Sponsor is the record holder of such shares Michael Cam- Phung, as the managing member of the Sponsor, holds voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. As such, Mr. Cam- Phung may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Mr. Cam- Phung disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.