AVALANCHE TREASURY CORPORATION

15,690,755 Shares of Class A Common Stock

This prospectus relates to the offer and sale, from time to time, by the selling holders identified in this prospectus (collectively, the "Selling Holders"), or their permitted transferees, of (i) up to 15,690,755 shares of our Class A common stock, par value $0.01 ("Class A Common Stock"), held by certain Selling Holders. The shares of Class A Common Stock that may be sold by the Selling Holders and the shares of Class A Common Stock that may be issued by us are collectively referred to in this prospectus as the "Offered Securities." We will not receive any of the proceeds from the sale by the Selling Holders of the Offered Securities.

We will bear all costs, expenses and fees in connection with the registration of Offered Securities. The Selling Holders will bear all commissions and discounts, if any, attributable to their respective sales of Offered Securities. We are registering the Offered Securities for sale by certain of the Selling Holders pursuant to the Amended and Restated Registration Rights Agreement with certain of the Selling Holders. See the section of this prospectus titled "Selling Holders" for more information.

The Selling Holders may offer and sell the Offered Securities owned by them covered by this prospectus from time to time. The Selling Holders may offer and sell the Offered Securities owned by them covered by this prospectus in a number of different ways and at varying prices. If any underwriters, dealers or agents are involved in the sale of any of the securities, their names and any applicable purchase price, fee, commission or discount arrangement between or among them will be set forth, or will be calculable from the information set forth, in any applicable prospectus supplement. See the sections of this prospectus titled "About this Prospectus" and "Plan of Distribution" for more information. No securities may be sold without delivery of this prospectus and any applicable prospectus supplement describing the method and terms of the offering of such securities. You should carefully read this prospectus and any applicable prospectus supplement before you invest in our securities.

The Class A Common Stock being offered for resale in this prospectus represent approximately 39.7% of our total outstanding Class A Common Stock on a fully diluted basis as of July 9, 2026. The sale of all the securities being offered in this prospectus could result in a significant decline in the public trading price of our Class A Common Stock. Despite such a decline in the public trading prices, the Selling Holders may still experience a positive rate of return on the securities they purchased due to the differences in the trading price and the purchase prices at which they purchased the securities as described herein.