MFH 1, LLC - 30 Jul 2025 Form 3 Insider Report for D. Boral ARC Acquisition I Corp.

Role: 10%+ Owner
Signature: /s/ John Darwin, Manager of MFH 1, LLC
Issuer symbol: BCAR, BCARU, BCARW on Nasdaq
Transactions as of: 30 Jul 2025
Net transactions value: $0
Form type: 3
Filing time: 30 Jul 2025, 21:42:03 UTC
Next filing: 05 Aug 2025
SEC: View on sec.gov

Reporting Owners (2)

Name	Relationship	Address	Signature	Signature date	CIK
MFH 1, LLC	10%+ Owner	C/O D. BORAL ARC ACQUISITION I CORP., 10 E. 53RD STREET, SUITE 3001, NEW YORK	/s/ John Darwin, Manager of MFH 1, LLC	30 Jul 2025	0002065725
Darwin John	Chief Financial Officer, 10%+ Owner	C/O D. BORAL ARC ACQUISITION I CORP., 10 E. 53RD STREET, SUITE 3001, NEW YORK	/s/ John Darwin	30 Jul 2025	0001868212

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	BCAR	Class B Ordinary Shares							30 Jul 2025	Class A Ordinary Shares	12,321,429		Direct	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 registration statement on Form S-1 (File No. 333-286810) of D. Boral ARC Acquisition I Corp. (the "Issuer") under the heading "Description of Securities--Founder Shares," the Class B ordinary shares will automatically convert into shares of Class A ordinary shares at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination, 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 MFH 1, 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 1,607,143 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	John Darwin is the manager of the Sponsor and holds voting and investment discretion with respect to the Class B ordinary shares held of record by the Sponsor. As such, Mr. Darwin may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Mr. Darwin disclaims any beneficial ownership except to the extent of his pecuniary interest therein.