Filed pursuant to Rule 424(b)(5)
Registration No. 333-283353
PROSPECTUS
Up to $13,000,000
Class A Common Stock
We have entered
into an At Market Issuance Sales Agreement (the sales agreement) dated November 19, 2024, with H.C. Wainwright & Co., LLC as sales agent (the Agent), relating to the sale of shares of our Class A common
stock, par value $0.0001 per share, having an aggregate purchase price of $13,000,000. In accordance with the terms of the sales agreement, pursuant to this prospectus and upon our delivery of a placement notice to the Agent, we may offer and sell
shares of our Class A common stock having an aggregate offering price of up to $13,000,000 from time to time through the Agent.
Our Class A
common stock is listed on the Nasdaq Capital Market under the symbol BTM. On November 11, 2024, the closing sale price of our Class A common stock on the Nasdaq Capital Market was $2.68 per share.
Sales of our Class A common stock, if any, under this prospectus will be made by any permitted method that is deemed to be an at the market
offering as defined in Rule 415(a)(4) promulgated under the Securities Act of 1933, as amended (the Securities Act), including sales made directly on or through the Nasdaq Capital Market, the existing trading market for our
Class A common stock, sales made to or through a market maker other than on an exchange or otherwise, directly to the Agent as principal, in negotiated transactions at market prices prevailing at the time of sale or at prices related to such
prevailing market prices, and/or in any other method permitted by law. The Agent is not required to sell any specific number or dollar amount of securities, but will act as our sales agent using commercially reasonable efforts consistent with their
normal trading and sales practices to sell on our behalf all of the shares of Class A common stock requested to be sold by us, on mutually agreed terms between the Agent and us. There is no arrangement for funds to be received in any escrow,
trust or similar arrangement.
The Agent will be entitled to compensation under the terms of the sales agreement at a commission rate of up to 3.0% of the
gross proceeds of any shares of Class A common stock sold under the sales agreement. In connection with the sale of our Class A common stock on our behalf, the Agent will be deemed to be an underwriter within the meaning of the
Securities Act and the compensation of the Agent will be deemed to be underwriting commissions or discounts. See Plan of Distribution beginning on page 12 for additional information regarding the compensation to be paid to the
Agent. We have also agreed to provide indemnification and contribution to the Agent with respect to certain liabilities, including liabilities under the Securities Act or the Securities Exchange Act of 1934, as amended (the Exchange
Act).
As of November 12, 2024, the aggregate market value of our outstanding Class A common stock held by
non-affiliates, or public float calculated for purposes of General Instruction I.B.6 of Form S-3, was approximately $39,250,650, based on 18,122,048 shares of
outstanding Class A common stock as of November 12, 2024, of which approximately 3,476,283 shares were held by affiliates, and a price of $2.68 per share, which was the price at which our Class A common stock was last sold on the
Nasdaq Capital Market on November 11, 2024. We have sold no securities pursuant to General Instruction I.B.6 of Form S-3 during the prior 12-calendar month period
that ends on and includes the date of this prospectus (excluding this offering). Accordingly, based on the foregoing, we are currently eligible under General Instruction I.B.6 of Form S-3 to offer and sell
shares of our Class A common stock having an aggregate offering price of up to approximately $13,083,550. Pursuant to General Instruction I.B.6 of Form S-3, in no event will we sell securities in a public
primary offering with a value exceeding one-third of our public float in any 12-month period so long as our public float remains below $75.0 million.
Investing in our securities involves a high degree of risk. See Risk Factors beginning on page 8 of this prospectus
as well as the information under the caption Risk Factors in our Annual Report on Form 10-K for the year ended December 31, 2023 and in our Quarterly Reports on Form 10-Q for the quarters ended March 31, June 30 and September 30, 2024, and in the other documents incorporated by reference into this prospectus and the accompanying base prospectus for a discussion of
the factors you should carefully consider before investing in our securities.
Neither the Securities and Exchange Commission nor any state
securities commission has approved or disapproved of these securities or determined if this prospectus or the accompanying base prospectus is truthful or complete. Any representation to the contrary is a criminal offense.
H.C. Wainwright & Co.
The date of this prospectus November 26, 2024.