Factorial Inc. Files Business Combination Communications for CGC III

Ticker: CGCT · Form: 425 · Filed: Mar 24, 2026 · CIK: 0002049662

Complexity: moderate

Sentiment: neutral

Topics: business-combination, merger, spac, communication

TL;DR

**Factorial Inc. just dropped a 425 with a ton of graphics, likely detailing their business combo with Cartesian Growth Corp III.**

AI Summary

This 425 filing, submitted on March 24, 2026, by Factorial Inc. regarding Cartesian Growth Corp III, is a communication related to a business combination. It primarily consists of 34 graphic exhibits (tm268417d3_ex99-1x001.jpg through tm268417d3_ex99-1x034.jpg) and an EX-99.1 document, suggesting a public announcement or presentation about a merger or acquisition. This matters to investors because it indicates progress or details about a significant corporate event that could impact the future value and operations of both Factorial Inc. and Cartesian Growth Corp III.

Why It Matters

This filing signals that a significant corporate transaction, likely a merger or acquisition, is underway or being detailed between Factorial Inc. and Cartesian Growth Corp III, which could drastically alter the financial outlook and strategic direction of both entities.

Risk Assessment

Risk Level: medium — The filing itself is a communication, not a definitive transaction, but the underlying business combination carries inherent risks related to integration, market reception, and financial performance.

Analyst Insight

An investor should seek out the content of the EX-99.1 and the graphic exhibits to understand the specifics of the business combination, including terms, valuations, and strategic rationale, before making any investment decisions regarding Factorial Inc. or Cartesian Growth Corp III.

Key Numbers

Key Players & Entities

Forward-Looking Statements

FAQ

What is the primary content of this 425 filing?

The primary content of this 425 filing, submitted by Factorial Inc. on March 24, 2026, consists of 34 graphic exhibits (tm268417d3_ex99-1x001.jpg through tm268417d3_ex99-1x034.jpg) and an EX-99.1 document (tm268417d3_ex99-1.htm), which are communications related to a business combination involving Cartesian Growth Corp III.

Who filed this 425 document and who is the subject?

Factorial Inc. (CIK: 0001788013) filed this 425 document, and Cartesian Growth Corp III (CIK: 0002049662) is the subject of the filing, indicating a transaction or communication between these two entities.

Filing Stats: 1,767 words · 7 min read · ~6 pages · Grade level 15.7 · Accepted 2026-03-24 07:01:09

Key Financial Figures

Filing Documents

01

Item 7.01 Regulation FD Disclosure As previously disclosed, on December 17, 2025, Cartesian Growth Corporation III, a Cayman Islands exempted company (" Cartesian III "), Fenway MS, Inc., a Delaware corporation (" Merger Sub "), and Factorial Inc., a Delaware corporation (" Factorial "), entered into a Business Combination Agreement (as it may be amended, supplemented or otherwise modified from time to time, the " Business Combination Agreement " and the transactions contemplated thereby, the " Business Combination ) and furnished a presentation to be used by Cartesian III and Factorial in presentations for potential investors and other persons regarding the Business Combination. Cartesian III is furnishing an updated form of investor presentation that is attached as Exhibit 99.1 and incorporated by reference herein. Cartesian III and Factorial may use such presentation in meetings with potential investors and other persons regarding the Business Combination. The information in this Item 7.01, including Exhibit 99.1, is furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the " Exchange Act "), or otherwise subject to liabilities under that section, and shall not be deemed to be incorporated by reference into the filings of Cartesian III under the Securities Act or the Exchange Act, regardless of any general incorporation language in such filings. This Current Report on Form 8-K will not be deemed an admission as to the materiality of any information in this Item 7.01, including Exhibit 99.1.

01

Item 8.01 Other Events The disclosure set forth above in Item 7.01 of this Current Report on Form 8-K is incorporated by reference herein.

Forward-Looking Statements

Forward-Looking Statements This Current Report on Form 8-K includes forward-looking statements.

Forward-looking statements generally are accompanied by words such as "believe," "may," "will," "estimate,"

Forward-looking statements generally are accompanied by words such as "believe," "may," "will," "estimate," "continue," "anticipate," "intend," "expect," "should," "would," "plan," "predict," "potential," "seem," "seek," "future," "outlook" and similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These forward-looking Factorial or Cartesian III. For example, projections of Factorial's future financial performance, manufacturing capabilities and operations, Factorial's business plans, and other projections concerning key performance metrics or milestones are forward-looking differ materially from those expressed or implied by such forward-looking statements. These forward-looking statements should not be relied upon as representing Cartesian III's and Factorial's assessments as of any date subsequent to the date of this Current Report on Form 8-K. Accordingly, undue reliance should not be placed upon the forward-looking statements. Neither Cartesian III, Factorial nor any of their respective affiliates undertake any obligation to update these forward-looking statements, except as required by law. Additional Information about the Business Combination and Where to Find It This communication relates to the proposed business combination between Factorial and Cartesian III ("Business Combination") pursuant to that certain Business Combination Agreement, dated as of December 17, 2025, by and among Cartesian III, Fenway MS, Inc., a Delaware corporation, and Factorial. The proposed Business Combination will be submitted to shareholders of Cartesian III for their consideration. Cartesian III and Factorial intend to file a registration

Financial Statements and Exhibits

Financial Statements and Exhibits. (d) Exhibits Exhibit Number Description 99.1 Investor Presentation, dated March 24, 2026. 104 Cover Page Interactive Data File, formatted in Inline XBRL SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Cartesian Growth Corporation III By: /s/ Peter Yu Name: Peter Yu Title: Chief Executive Officer Date: March 24, 2026

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