Company: BKYI
Filing Date: 2025-11-21
Form Type: S-1
Source: 0001437749-25-036032
Chunk: 1

Company: BIO KEY INTERNATIONAL INC
Filing Date: 2025-11-21
Form: S-1
Chunk 1
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, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act:

| Large accelerated filer | ☐ | Accelerated filer         | ☐ |
| Non-accelerated filer   | ☒ | Smaller reporting company | ☒ |
|                         |   | Emerging growth company   | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐ The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the registration statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.

The information in this prospectus is not complete and may be changed. The selling stockholder may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.

<div align='center'>PRELIMINARY PROSPECTUS, SUBJECT TO COMPLETION, DATED NOVEMBER 21, 2025

Up to 6,183,336 Shares of Common Stock</div>

This prospectus relates to the resale, from time to time, by the selling stockholder identified in this prospectus under the caption “Selling Stockholder,” of up to 6,183,336 shares of our common stock, par value $0.0001 per share, issuable upon exercise of warrants to purchase common stock issued and sold by us in a private placement transaction.

All of the proceeds from the sale of the shares covered by this prospectus will be received by the selling stockholder. We will not receive any proceeds from the sale of these shares.

Our common stock is listed on the Nasdaq Capital Market under the symbol “BKYI.” On November