Indigo Sponsor Group LLC - Jun 30, 2025 Form 3 Insider Report for Indigo Acquisition Corp. (INACU)

Role: 10%+ Owner
Signature: /s/ Scott E. Salpeter, Managing Member
Stock symbol: INACU
Transactions as of: Jun 30, 2025
Transactions value $: $0
Form type: 3
Date filed: 7/10/2025, 10:18 AM
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Indigo Sponsor Group LLC	10%+ Owner	C/O CASSEL SALPETER & CO., 801 BRICKELL AVE, SUITE 1900, MIAMI	/s/ Scott E. Salpeter, Managing Member	2025-06-30	0002076444

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	INACU	Ordinary Shares						2.21M	Jun 30, 2025	Direct	F1

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	INACU	Rights							Jun 30, 2025	Ordinary Shares	22.9K	$0.00	Direct	F2

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

Explanation of Responses:

Id	Content
F1	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.
F2	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.

Content

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.

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.