# EDGAR Filing Document

**Accession Number:** 0002063816
**File Stem:** 0001062993-25-012642
**Filing Date:** 2025-7
**Character Count:** 5405
**Document Hash:** 91e378b704dbde746bbac51f9768bc90
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001062993-25-012642.hdr.sgml**: 20250709

**ACCESSION NUMBER**: 0001062993-25-012642

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250709

**DATE AS OF CHANGE**: 20250709

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SALPETER SCOTT E
- **CENTRAL INDEX KEY:** 0000922713

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42721
- **FILM NUMBER:** 251112614
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Indigo Acquisition Corp.
- **CENTRAL INDEX KEY:** 0002063816
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 801 BRICKELL AVENUE
- **STREET 2:** SUITE 1900
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33131
- **BUSINESS PHONE:** (305) 438-7700

**MAIL ADDRESS:**
- **STREET 1:** 801 BRICKELL AVENUE
- **STREET 2:** SUITE 1900
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33131

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SALPETER SCOTT E<br><sub>(Last) (First) (Middle)</sub><br>C/O CASSEL SALPETER & CO.<br>801 BRICKELL AVE, SUITE 1900<br><sub>(Street)</sub><br>MIAMI, FL 33131<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Indigo Acquisition Corp. [ INACU ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-06-30 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [X] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_CFO_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Ordinary Shares | 2214286<sup>(1)</sup> | I<sup>(2)</sup> | by Indigo Sponsor Group, LLC<sup>(2)</sup> |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Rights<sup>(3)</sup> | <sup>(3)</sup> | <sup>(3)</sup> | Ordinary Shares | 22929<sup>(3)</sup> | 0<sup>(3)</sup> | I<sup>(3)</sup> | by Indigo Sponsor Group, LLC |

---

### Footnotes:

(1) Includes 229,286 shares contained within units that Indigo Sponsor Group, LLC has irrevocably agreed to purchase at the closing of the Issuer's initial public offering ("IPO"), including 19,286 shares contained within units that Indigo Sponsor Group, LLC has irrevocably agreed to purchase in connection with the IPO if and only if the underwriters of the IPO fully exercise their overallotment option.  Also includes shares subject to forfeiture in the event the underwriters of the IPO do not exercise their overallotment option.

(2) These securities are owned directly by Indigo Sponsor Group, LC of which Mr. Salpeter is a managing member.  Accordingly, Mr. Salpeter is deemed to be the beneficial owner of such securities.  Mr. Salpeter disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

(3) Represents rights contained within units that Indigo Sponsor Group, LLC has irrevocably agreed to purchase at the closing of the IPO as described in footnote 1.  Each right will convert automatically into 1/10 of one ordinary share at the closing of an initial business combination by the Issuer.

**Signature:** /s/ Scott E. Salpeter  
**Date:** 2025-06-30

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**