CGC III Sponsor LLC - May 1, 2025 Form 3 Insider Report for Cartesian Growth Corp III (CGCT)

Role: 10%+ Owner
Signature: /s/ Adam Namoury, Attorney-in-Fact
Stock symbol: CGCT
Transactions as of: May 1, 2025
Transactions value $: $0
Form type: 3
Date filed: 5/1/2025, 09:52 PM
SEC: View on sec.gov

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	CGCT	Class B ordinary shares							May 1, 2025	Class A ordinary shares	6.8M		Direct	F1, F2, F3
holding	CGCT	Class B ordinary shares							May 1, 2025	Class A ordinary shares	100K		See Footnote	F1, F3

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

Explanation of Responses:

Id	Content
F1	The Class B ordinary shares of Cartesian Growth Corporation III (the "Issuer") have no expiration date and will automatically convert into Class A ordinary shares concurrently with or immediately following the consummation of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment, as described in the Registration Statement on Form S-1 (File No. 333-284565) (the "Registration Statement") related to the Issuer's initial public offering (the "IPO").
F2	Includes up to 900,000 shares subject to forfeiture by CGC III Sponsor LLC (the "Sponsor") depending on the extent to which the IPO underwriters' over-allotment option is exercised, as described in the Registration Statement.
F3	Represents 6,800,000 shares held directly by the Sponsor and 100,000 shares held directly by CGC III Sponsor DirectorCo LLC ("DirectorCo") (of which 90,000 shares are held by DirectorCo for the benefit of the Issuer's independent directors). The Sponsor is the sole managing member of DirectorCo. Pangaea Three-B, LP ("Pangaea") is the sole member of the Sponsor and is controlled by Peter Yu. Consequently, each of Pangaea and Mr. Yu may be deemed to share voting and dispositive control over the securities held by the Sponsor and DirectorCo, and thus to share beneficial ownership of such securities. Each of Pangaea and Mr. Yu disclaims beneficial ownership of such securities except to the extent of its or his pecuniary interest therein.

Remarks:

See Exhibit 24.1 - Power of Attorney (CGC III Sponsor LLC); See Exhibit 24.2 - Power of Attorney (Pangaea Three-B, LP); See Exhibit 24.3 - Power of Attorney (Peter Yu)