PROSPECTUS
SUPPLEMENT
Dated
May 4, 2026
(To
Prospectus Dated January 30, 2026)
Filed
pursuant to Rule 424(b)(5)
Registration
No. 333-290750

Our
Bond, Inc.
Up
to 34,073,681 Shares of Common Stock
to
be Sold by Registered Stockholders
This
prospectus supplement (the “Supplement”) modifies, supersedes and supplements certain information contained in, and should
be read in conjunction with, our Prospectus filed with the SEC dated January 30, 2026, as amended or supplemented through the date hereof
(the “Prospectus”), relating to the registration of the resale of up to 34,073,681 shares of our common stock, par value
$0.0001 per share by our stockholders identified in the Prospectus (the “Registered Stockholders”) in connection with our
direct listing on the Global Market tier of the Nasdaq Stock Market LLC.
This
Supplement is not complete without, and may not be delivered or used except in connection with, the Prospectus.
Our
shares of common stock are listed on the Nasdaq Global Market under the symbol “OBAI.”
The
information contained in this Supplement modifies and supersedes, in part, the information in the Prospectus. Any information that is
modified or superseded in the Prospectus shall not be deemed to constitute a part of the Prospectus, except as modified or superseded
by this Supplement. We may amend or supplement the Prospectus from time to time by filing amendments or supplements as required. You
should read the entire Prospectus, and any amendments or supplements carefully before you make an investment decision.
Investing
in our securities involves a high degree of risk. See “Risk Factors” beginning on page 7 of the Prospectus and in documents
incorporated by reference into the Prospectus.
Neither
the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined
if this Supplement, or the Prospectus is truthful or complete. Any representation to the contrary is a criminal offense.
FORWARD-LOOKING
STATEMENTS
You
should carefully consider the risk factors set forth in the Prospectus, as well as the other information contained in or incorporated
by reference into this Supplement and the Prospectus. This Supplement and the Prospectus and documents incorporated therein by reference
contain forward-looking statements regarding events, conditions, and financial trends that may affect our plan of operation, business
strategy, operating results, and financial position. You are cautioned that any forward-looking statements are not guarantees of future
performance and are subject to risks and uncertainties. Actual results may differ materially from those included within the forward-looking
statements as a result of various factors. Cautionary statements in the “Risk Factors” section of the Prospectus and in documents
incorporated by reference into the Prospectus identify important risks and uncertainties affecting our future, which could cause actual
results to differ materially from the forward-looking statements made or included in this Supplement and the Prospectus.
This
Supplement is being filed to disclose an amendment to the warrants to purchase shares of our common stock held by Ascent Partners Fund
LLC (“Ascent”), as well as certain amendments to the Certificates of Designation for our Series C Preferred Stock and Series
D Preferred Stock.
WARRANT
AMENDMENT
On
May 3, 2026, we entered into an Amendment (the “Warrant Amendment”) to the common stock purchase warrants (the “Warrants”)
held by Ascent. Under the Warrant Amendment:
| ● | The
exercise price for 1,000,000 Warrants expiring on February 27, 2027 was adjusted to $1.25
per share. |
| | | |
| ● | The
exercise price for 1,000,000 Warrants expiring on February 27, 2027 was adjusted to $1.75
per share. |
| | | |
| ● | The
exercise price for 1,000,000 Warrants expiring on February 27, 2027 was adjusted to $2.25
per share. |
| | | |
| ● | The
exercise price for 2,000,000 Warrants expiring on October 27, 2027 was adjusted to $3.50
per share. |
| | | |
| ● | The
exercise price for 2,000,000 Warrants expiring on October 27, 2027 was adjusted to $4.00
per share. |
| | | |
| ● | The
exercise price for 2,000,000 Warrants expiring on October 27, 2027 was adjusted to $4.50
per share. |
| | | |
| ● | All
other outstanding Warrants held by Ascent were cancelled. The cancelled warrants consisted
of 15,991,902 warrants exercisable at $12.35 per share and 300,000 warrants exercisable at
$3.2475 per share, leaving warrants to purchase a total of 9,000,000 shares of common stock
outstanding, as described above. |
AMENDMENTS
TO SERIES C PREFERRED STOCK AND SERIES D PREFFERED STOCK
Also
on May 3, 2026, we amended the Certificates of Designation for our Series C Preferred Stock and our Series D Preferred Stock as follows:
| ● | The
conversion price for our Series D Preferred Stock was adjusted to $2.0265 per share. |
| | | |
| ● | A
new ‘leak-out’ provision was added to both the Certificate of Designation for
our Series C Preferred Stock and the Certificate of Designation for our Series D Preferred
Stock. Under the new provision, all Holders of the preferred shares collectively shall not,
on any trading day, sell a number of Conversion Shares which equals more than 10% of the
total daily share volume as reported by the applicable trading market. This limitation will
not apply to any sale of conversion shares at a price equal to or greater than 115% of the
closing price for our common stock on the prior trading day. |
The
date of this Prospectus Supplement is May 4, 2026