Company: RGBP
Filing Date: 2025-09-08
Form Type: 253G1
Source: 0001641172-25-026822
Chunk: 0

Company: Regen BioPharma Inc
Filing Date: 2025-09-08
Form: 253G1
Chunk 0
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Filed Pursuant to Rule 253(g)(1)

File Number: 024-12654

<div align='center'>OFFERING CIRCULAR SUPPLEMENT NO. 1

Date of Qualification of the Offering Circular: September 5, 2025

Supplement dated September 8 2025</div>

This document (the “Supplement”) supplements the Offering Statement filed on Form 1-A of Regen Biopharma, Inc. (the “Company”), originally filed on August 29, 2025 (the “Offering Circular”) relating to the offer and sale by us of 25,000,000 shares of our common stock . Any inconsistent information made by us in a previous offering circular supplement or post-qualification amendment is modified or superseded by the information contained in this Supplement. Unless otherwise defined in this Supplement, capitalized terms used herein shall have the same meanings as set forth in the Offering Circular, including the disclosures incorporated by reference therein.

The purpose of this Supplement is to disclose that we have determined to set the fixed offering price at $0.01 per share. We will have approximately common shares issued and outstanding if we sell all shares allowable pursuant to the offering at the fixed price of $0.01 per share and receive proceeds in the amount of $250,000.

This document (the “Supplement”) supplements and should be read in conjunction with the offering circular of Regen Biopharma, Inc. (the “Company,” “we,” “us,” or “our”) dated August 29, 2025 and qualified by the Commission on September 5, 2025 (“Offering Circular”) .

SEC Disclaimer

An offering statement regarding the offering described in the Offering Circular has been filed with the Commission. The Commission has qualified that offering statement, which only means that the Company may make sales of the securities described by that offering statement. It does not mean that the Commission has approved, passed upon the merits, or passed upon the accuracy or completeness of the information in the offering statement. You should read the Offering Circular before making any investment.

This Supplement to the Offering Circular does not otherwise modify or update disclosure in, or exhibits to, the original Offering Circular. This Supplement to the Offering Circular should be read in conjunction with the Offering Circular and is qualified by reference to the Offering Circular except to the extent that the information contained herein supplements the information contained in the Offering Circular.

This Offering Circular shall not constitute an offer to sell or the solicitation of an offer to buy nor there would