{"filing": {"accession": "0001437749-26-032451", "cik": "0001019034", "ticker": "BKYI", "company_name": "BIO KEY INTERNATIONAL INC", "form_type": "S-1", "filing_type": "S-1", "filing_date": "2026-10-09", "accepted_datetime": null, "acceptance_datetime": null, "accepted_at": null, "primary_doc_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926032451/0001437749-26-032451-index.htm", "filing_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926032451/0001437749-26-032451-index.htm", "period_of_report": null}, "html_url": "/api/filings/000143774926032451/stream", "exhibits": [{"exhibit_number": "5.1", "exhibit_type": "5", "description": "Opinion of Fox Rothschild LLP", "filename": "ex_1021879.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926032451/ex_1021879.htm", "category": "other", "incorporated_by_reference": false}, {"exhibit_number": "23.1", "exhibit_type": "23", "description": "Consent of Bush & Associates CPA LLC", "filename": "ex_1021414.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926032451/ex_1021414.htm", "category": "other", "incorporated_by_reference": false}, {"exhibit_number": "23.2", "exhibit_type": "23", "description": "Consent of Fox Rothschild LLP (included as part of Exhibit 5.1)", "filename": "ex_1021879.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926032451/ex_1021879.htm", "category": "other", "incorporated_by_reference": false}, {"exhibit_number": "24.1", "exhibit_type": "24", "description": "Power of Attorney (included on the signature page to this Registration Statement)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926032451/bkyi20261001_s1.htm#poa", "category": "other", "incorporated_by_reference": false}, {"exhibit_number": "2.1", "exhibit_type": "2", "description": "Stock Purchase Agreement by and among the Company, Thomas J. Hoey, and PistolStar, Inc. dated June 6, 2020 (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed with the SEC on July 7, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920014793/ex_193129.htm", "category": "other", "incorporated_by_reference": true}, {"exhibit_number": "2.2", "exhibit_type": "2", "description": "Stock Purchase Agreement by and among the Company, Alex Rocha and Swivel Secure Europe, SA dated February 2, 2022 (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed with the SEC on February 3, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922002290/ex_331558.htm", "category": "other", "incorporated_by_reference": true}, {"exhibit_number": "2.3", "exhibit_type": "2", "description": "Amendment No. 1 to Stock Purchase Agreement by and among the Company, Alex Rocha and Swivel Secure Europe, SA dated March 4, 2022 (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed with the SEC on March 9, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922005623/ex_344881.htm", "category": "other", "incorporated_by_reference": true}, {"exhibit_number": "3.1", "exhibit_type": "3", "description": "Certificate of Incorporation of BIO-key International, Inc., a Delaware corporation (incorporated by reference to Exhibit 3.1 to the current report on Form 8-K filed with the SEC on January 5, 2005)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000110465905000401/a05-1096_1ex3d1.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.2", "exhibit_type": "3", "description": "Bylaws (incorporated by reference to Exhibit 3.3 to the current report on Form 8-K filed with the SEC on January 5, 2005)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000110465905000401/a05-1096_1ex3d3.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.3", "exhibit_type": "3", "description": "Certificate of Amendment to Certificate of Incorporation (incorporated by reference to Appendix A to the definitive proxy statement filed with the SEC on January 18, 2006)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000110465906002702/a05-22371_1def14a.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.4", "exhibit_type": "3", "description": "Certificate of Amendment of Certificate of Incorporation of Bio-key International, Inc., a Delaware corporation (incorporated by reference to Exhibit 3.4 to the annual report on Form 10-K filed with the SEC on March 31, 2015)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774915006383/ex3-4.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.5", "exhibit_type": "3", "description": "Certificate of Elimination of BIO-key International, Inc. filed October 6, 2015 (incorporated by reference to Exhibit 3.5 to the registration statement on Form S-1 File No. 333-208747 filed with the SEC on December 23, 2015)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774915022736/ex3-5.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.6", "exhibit_type": "3", "description": "Certificate of Designation of Preferences, Rights and Limitations of Series A-1 Convertible Preferred Stock (incorporated by reference to Exhibit 3.1 to the current report on Form 8-K filed with the SEC on November 2, 2015)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774915019339/ex3-1.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.7", "exhibit_type": "3", "description": "Certificate of Designation of Preferences, Rights and Limitations of Series B-1 Convertible Preferred Stock (incorporated by reference to Exhibit 3.1 to the quarterly report on Form 10-Q filed with the SEC on November 16, 2015)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774915020979/ex3-1.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.8", "exhibit_type": "3", "description": "Certificate of Amendment of Certificate of Incorporation of Bio-key International, Inc., a Delaware corporation (incorporated by reference to Exhibit 3.1 to the current report on Form 8-K filed with the SEC on December 28, 2016)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774916043858/ex3-1.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.9", "exhibit_type": "3", "description": "Certificate of Amendment of Certificate of Incorporation of Bio-Key International, Inc., a Delaware corporation (incorporated by reference to Exhibit 3.1 to the current report on Form 8-K filed with the SEC on November 19, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920024192/ex_214807.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.10", "exhibit_type": "3", "description": "Certificate of Amendment to Certificate of Incorporation of BIO-key International, Inc., a Delaware corporation (incorporated by reference to Exhibit 3.1 to the current report on Form 8-K filed with the SEC on December 19, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923034827/ex_607847.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "3.11", "exhibit_type": "3", "description": "Certificate of Amendment to Certificate of Incorporation of BIO-key International, Inc., a Delaware corporation (incorporated by reference to Exhibit 3.1 to the current report on Form 8-K filed with the SEC on April 29, 2026)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926013905/ex_952848.htm", "category": "incorporation", "incorporated_by_reference": true}, {"exhibit_number": "4.1", "exhibit_type": "4", "description": "Specimen Stock Certificate (incorporated by reference to Exhibit 4.1 to the registration statement on Form SB-2, File No. 333-16451)", "filename": "", "edgar_url": "", "category": "other", "incorporated_by_reference": true, "resolution": "unavailable"}, {"exhibit_number": "4.2", "exhibit_type": "4", "description": "Common Stock Purchase Warrant dated May 6, 2020 (incorporated by reference to Exhibit 10.7 to the quarterly report on Form 10-Q filed with the SEC on June 8, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920012660/ex_189292.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.3", "exhibit_type": "4", "description": "Common Stock Purchase Warrant dated June 29, 2020 (incorporated by reference to Exhibit 10.3 to the current report on Form 8-K filed with the SEC on July 1, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920014372/ex_191963.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.4", "exhibit_type": "4", "description": "Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.2 to Amendment No. 1 to the Registration Statement on Form S-1/A filed with the SEC on July 17, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920015308/ex_194278.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.5", "exhibit_type": "4", "description": "Form of Warrant (incorporated by reference to Exhibit 4.3 to Amendment No. 1 to the Registration Statement on Form S-1/A filed with the SEC on July 17, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920015308/ex_194279.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.6", "exhibit_type": "4", "description": "Form of Common Warrant (incorporated by reference to Exhibit 4.9 to Amendment No. 1 to Registration Statement on Form S-1 filed with the SEC on October 26, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923029011/ex_586219.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.7", "exhibit_type": "4", "description": "Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.10 to Amendment No. 1 to the Registration Statement on Form S-1 filed with the SEC on October 26, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923029011/ex_586120.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.8", "exhibit_type": "4", "description": "Form of Warrant Agency Agreement (incorporated by reference to Exhibit 4.11 to Amendment No. 1 to the Registration Statement on Form S-1 filed with the SEC on October 26, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923029011/ex_586121.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.9", "exhibit_type": "4", "description": "Form of Common Warrant (incorporated by reference to Exhibit 4.1 to the current report on Form 8-K filed with the SEC on December 21, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923035114/ex_609067.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.10", "exhibit_type": "4", "description": "Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.2 to the current report on Form 8-K filed with the SEC on December 21, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923035114/ex_609068.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.11", "exhibit_type": "4", "description": "Form of Series A Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 to the current report on Form 8-K filed with the SEC on September 16, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924029307/ex_723677.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.12", "exhibit_type": "4", "description": "Form of Series B Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.2 to the current report on Form 8-K filed with the SEC on September 16, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924029307/ex_723678.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.13", "exhibit_type": "4", "description": "Form of Series A Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 to the current report on Form 8-K filed with the SEC on January 16, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925001242/ex_766503.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.14", "exhibit_type": "4", "description": "Form of Series B Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.2 to the current report on Form 8-K filed with the SEC on January 16, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925001242/ex_766504.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "4.15", "exhibit_type": "4", "description": "Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 to the current report on Form 8-K filed with the SEC on August 13, 2026)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926027730/ex_1004626.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.1", "exhibit_type": "10", "description": "Employment Agreement by and between BIO-key International, Inc. and Mira LaCous dated November 20, 2001 (incorporated by reference to Exhibit 10.39 to the current report on Form 8-K filed with the SEC on January 22, 2002)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000089710102000037/sac020249_ex10-39.txt", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.2", "exhibit_type": "10", "description": "Employment Agreement, effective March 25, 2010, by and between the Company and Michael W. DePasquale (incorporated by reference to Exhibit 10.93 to the annual report on Form 10-K filed with the SEC on March 26, 2010)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000110465910016785/a09-35934_1ex10d93.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.3", "exhibit_type": "10", "description": "Employment Agreement by and between BIO-key International, Inc. and Cecilia Welch dated May 15, 2013 (incorporated by reference to Exhibit 10.42 to the annual report on Form 10-K filed with the SEC on March 31, 2014)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774914005560/ex10-42.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.4", "exhibit_type": "10", "description": "Employment Agreement by and between BIO-key International, Inc. and James Sullivan dated April 5, 2017 (incorporated by reference to Exhibit 10.42 to the annual report on Form 10-K filed with the SEC on March 29, 2021)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774921007486/ex_236648.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.5", "exhibit_type": "10", "description": "First Amendment to Lease Agreement by and between BIO-key International, Inc. and BRE/DP MN LLC dated September 12, 2013 (incorporated by reference to Exhibit 10.44 to the annual report on Form 10-K filed with the SEC on March 31, 2014)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774914005560/ex10-44.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.6", "exhibit_type": "10", "description": "BIO-key International, Inc. 2015 Equity Incentive Plan (incorporated by reference to Appendix B to the definitive proxy statement filed with the SEC on December 15, 2015)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774915022268/bkyi20151211_def14a.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.7", "exhibit_type": "10", "description": "Software License Purchase Agreement Dated November 11, 2015 by and among BIO-key Hong Kong Limited, Shining Union Limited, WWTT Technology China, Golden Vast Macao Commercial Offshore Limited, Giant Leap International Limited (incorporated by reference to Exhibit 10.36 to the registration statement on Form S-1 File No. 333-208747 filed with the SEC on December 23, 2015)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774915022736/ex10-36.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.8", "exhibit_type": "10", "description": "Form Non-Plan Option Agreement between the Company and certain of its directors, officers, employees and contractors (incorporated by reference to Exhibit 10.4 to the quarterly report on Form 10-Q filed with the SEC on May 15, 2017)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774917009271/ex10-4.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.9", "exhibit_type": "10", "description": "Securities Purchase Agreement dated May 23, 2018 by and between the Registrant and Giant Leap International Limited (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on May 30, 2018)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774918010904/ex_115617.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.10", "exhibit_type": "10", "description": "Securities Purchase Agreement dated May 23, 2018 by and between the Registrant and Micron Technology Development Limited (incorporated by reference to Exhibit 10.2 to the current report on Form 8-K filed with the SEC on May 30, 2018)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774918010904/ex_115618.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.11", "exhibit_type": "10", "description": "Securities Purchase Agreement dated May 31, 2018 by and between the Registrant and Wong Kwok Fong (Kelvin) (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on June 4, 2018)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774918011193/ex_115844.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.12", "exhibit_type": "10", "description": "GLP 2nd Amendment to Lease dated July 27, 2018 (incorporated by reference to Exhibit 10.26 to the annual report on Form 10-K filed with the SEC on April 1, 2019)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774919006258/ex_139440.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.13", "exhibit_type": "10", "description": "Marlen 4th Amendment to Lease dated June 2, 2018 (incorporated by reference to Exhibit 10.27 to the annual report on Form 10-K filed with the SEC on April 1, 2019)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774919006258/ex_139441.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.14", "exhibit_type": "10", "description": "Common Stock Purchase Warrant dated July 10, 2019 (incorporated by reference to Exhibit 10.5 to the quarterly report on Form 10-Q filed with the SEC on August 14, 2019)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774919016848/ex_154283.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.15", "exhibit_type": "10", "description": "Sales Incentive Agreement with Technology Transfer Institute dated March 25, 2020. (incorporated by reference to Exhibit 10.1 to the quarterly report on Form 10-Q filed with the SEC on June 8, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920012660/ex_189445.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.16", "exhibit_type": "10", "description": "Form of Technology Transfer Institute Warrant. (incorporated by reference to Exhibit 10.2 to the quarterly report on Form 10-Q filed with the SEC on June 8, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920012660/ex_189446.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.17", "exhibit_type": "10", "description": "Common Stock Purchase Warrant dated May 6, 2020. (incorporated by reference to Exhibit 10.7 to the quarterly report on Form 10-Q filed with the SEC on June 8, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920012660/ex_189292.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.18", "exhibit_type": "10", "description": "Form of Restricted Stock Award Agreement under the BIO-key International, Inc. Amended & Restated 2015 Equity Incentive Plan (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on August 28, 2020)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774920018945/ex_201923.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.19", "exhibit_type": "10", "description": "BIO-key International, Inc. 2021 Employee Stock Purchase Plan (incorporated by reference to Appendix A to the definitive proxy statement filed with the SEC on May 4, 2021)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774921010774/bkyi20210430_def14a.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.20", "exhibit_type": "10", "description": "Amendment No. 1 to the BIO-key International, Inc. 2021 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.2 to the current report on Form 8-K filed with the SEC on August 20, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925027454/ex_855401.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.21", "exhibit_type": "10", "description": "BIO-key International, Inc. Amended and Restated 2015 Equity Incentive Plan (incorporated by reference to Appendix B to the definitive proxy statement filed with the SEC on May 4, 2021)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774921010774/bkyi20210430_def14a.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.22", "exhibit_type": "10", "description": "Management Services Agreement dated March 8, 2022 by and among Swivel Aman-FZCO, Swivel Secure Europe, SA, and Alex Rocha (incorporated by reference to Exhibit 10.1 to the quarterly report on Form 10-Q filed with the SEC on May 23, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922013291/ex_375172.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.23", "exhibit_type": "10", "description": "Option Agreement dated March 8, 2022 by and between the Company and Alex Rocha (incorporated by reference to Exhibit 10.2 to the quarterly report on Form 10-Q filed with the SEC on May 23, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922013291/ex_375173.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.24", "exhibit_type": "10", "description": "Distribution Agreement dated October 23, 2020 by and between Swivel Secure Europe, SA and Swivel Secure Limited (incorporated by reference to Exhibit 10.3 to the quarterly report on Form 10-Q filed with the SEC on May 23, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922013291/ex_375174.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.25", "exhibit_type": "10", "description": "Deed of Variation dated January 26, 2022 by and between Swivel Secure Europe, SA and Swivel Secure Limited (incorporated by reference to Exhibit 10.4 to the quarterly report on Form 10-Q filed with the SEC on May 23, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922013291/ex_375175.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.26", "exhibit_type": "10", "description": "Securities Purchase Agreement dated December 22, 2022 by and between the Company and AJB Capital Investments, LLC (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on December 23, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922029685/ex_458990.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.27", "exhibit_type": "10", "description": "Common Stock Purchase Warrant, dated December 22, 2022 (incorporated by reference to Exhibit 10.3 to the current report on Form 8-K filed with the SEC on December 23, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922029685/ex_458992.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.28", "exhibit_type": "10", "description": "$2,200,000 Senior Secured Promissory Note, dated December 22, 2022 (incorporated by reference to Exhibit 10.2 to the current report on Form 8-K filed with the SEC on December 23, 2022)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774922029685/ex_458991.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.29", "exhibit_type": "10", "description": "Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.39 to Amendment No. 1 to Registration Statement on Form S-1 filed with the SEC on October 26, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923029011/ex_585964.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.30", "exhibit_type": "10", "description": "BIO-key International, Inc. 2023 Stock Incentive Plan (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on December 19, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923034827/ex_607848.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.31", "exhibit_type": "10", "description": "Amendment No. 1 to BIO-key International, Inc. 2023 Stock Incentive Plan (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on August 20, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925027454/ex_855400.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.32", "exhibit_type": "10", "description": "Securities Purchase Agreement, dated as of December 20, 2023, by and between BIO-key International, Inc. and Dillon Hill Investment Company LLC (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on December 21, 2023)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774923035114/ex_609069.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.33", "exhibit_type": "10", "description": "Note Purchase Agreement dated June 24, 2024, by and between the Company and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on June 28, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924021599/ex_693024.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.34", "exhibit_type": "10", "description": "$2,360,000 Secured Promissory Note dated June 24, 2024 (incorporated by reference to Exhibit 10.2 to the current report on Form 8-K filed with the SEC on June 28, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924021599/ex_693025.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.35", "exhibit_type": "10", "description": "Security Agreement dated June 24, 2024, by and between the Company and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.3 to the current report on Form 8-K filed with the SEC on June 28, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924021599/ex_693026.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.36", "exhibit_type": "10", "description": "Intellectual Property Security Agreement dated June 24, 2024, by and between the Company and Streetervillle Capital, LLC (incorporated by reference to Exhibit 10.4 to the current report on Form 8-K filed with the SEC on June 28, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924021599/ex_693027.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.37", "exhibit_type": "10", "description": "Guaranty dated June 24, 2024, by and between Pistol Star, Inc. and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.5 to the current report on Form 8-K filed with the SEC on June 28, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924021599/ex_693028.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.38", "exhibit_type": "10", "description": "Form of Warrant Exercise Agreement, dated September 12, 2024, by and between BIO-key International, Inc. and the Investor (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on September 16, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774924029307/ex_723679.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.39", "exhibit_type": "10", "description": "Securities Purchase Agreement dated November 27, 2024, by and among BIO-key International, Inc., Fiber Food Systems, Inc. and Boumarang Inc. (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on December 3, 2024)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774924036492/ex_752990.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.40", "exhibit_type": "10", "description": "Form of Warrant Exercise Agreement, dated January 15, 2025, by and between BIO-key International, Inc. and the Investor (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on January 16, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925001242/ex_766505.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.41", "exhibit_type": "10", "description": "Exchange Agreement, dated January 15, 2025, by and between BIO-key International, Inc. and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.2 to the current report on Form 8-K filed with the SEC on January 16, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925001242/ex_766506.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.42", "exhibit_type": "10", "description": "Exchange Agreement, dated January 15, 2025, by and between BIO-key International, Inc. and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.3 to the current report on Form 8-K filed with the SEC on January 16, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925001242/ex_766507.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.43", "exhibit_type": "10", "description": "Note Purchase Agreement dated September 30, 2025 by and between the Company and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on October 3, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925030493/ex_866109.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.44", "exhibit_type": "10", "description": "$1,130,000 Secured Promissory Note dated September 30, 2025 (incorporated by reference to Exhibit 10.2 to the current report on Form 8-K filed with the SEC on October 3, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925030493/ex_866110.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.45", "exhibit_type": "10", "description": "Security Agreement dated September 30, 2025 by and between the Company and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.3 to the current report on Form 8-K filed with the SEC on October 3, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925030493/ex_866111.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.46", "exhibit_type": "10", "description": "Intellectual Property Security Agreement dated September 30, 2025 by and between the Company and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.4 to the current report on Form 8-K filed with the SEC on October 3, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925030493/ex_866112.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.47", "exhibit_type": "10", "description": "Guaranty dated September 30, 2025 by and between Pistol Star, Inc. and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.5 to the current report on Form 8-K filed with the SEC on October 3, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925030493/ex_866113.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.48", "exhibit_type": "10", "description": "Form of Warrant Exercise Agreement (incorporated by Reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on October 30, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925032448/ex_878918.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.49", "exhibit_type": "10", "description": "Exchange Agreement, dated October 27, 2025 (incorporated by Reference to Exhibit 10.2 to the current report on Form 8-K filed with the SEC on October 30, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925032448/ex_878919.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.50", "exhibit_type": "10", "description": "Exchange Agreement, dated October 27, 2025 (incorporated by Reference to Exhibit 10.3 to the current report on Form 8-K filed with the SEC on October 30, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925032448/ex_878920.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "10.51", "exhibit_type": "10", "description": "Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 10.4 to the current report on Form 8-K filed with the SEC on October 30, 2025)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/0001019034/000143774925032448/ex_879925.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.52", "exhibit_type": "10", "description": "Form of Warrant Exercise Agreement, dated August 10, 2026, by and between BIO-key International, Inc. and the Investor (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on August 13, 2026)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926027730/ex_1004627.htm", "category": "debt", "incorporated_by_reference": true}, {"exhibit_number": "10.53", "exhibit_type": "10", "description": "Form of Exchange Agreement, dated September 29, 2026, by and between BIO-key International, Inc. and Streeterville Capital, LLC (incorporated by reference to Exhibit 10.1 to the current report on Form 8-K filed with the SEC on October 2, 2026)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926031903/ex_1021894.htm", "category": "contracts", "incorporated_by_reference": true}, {"exhibit_number": "21.1", "exhibit_type": "21", "description": "List of subsidiaries of BIO-key International, Inc. (incorporated by reference to Exhibit 21.1 to the annual report on Form 10-K filed with the SEC on June 12, 2026)", "filename": "", "edgar_url": "https://www.sec.gov/Archives/edgar/data/1019034/000143774926020446/ex_867361.htm", "category": "other", "incorporated_by_reference": true}], "sections": [{"section_name": "part_2", "section_title": "Part II", "start_position": 76362, "end_position": 119378}], "tables": [{"table_index": 0, "table_type": "text", "caption": null, "header_text": "Delaware737241-1741861"}, {"table_index": 1, "table_type": "text", "caption": null, "header_text": "Large accelerated filer\u2610Accelerated filer\u2610"}, {"table_index": 2, "table_type": "text", "caption": null, "header_text": "Page"}, {"table_index": 3, "table_type": "text", "caption": null, "header_text": "Issuer:BIO-key International, Inc."}, {"table_index": 9, "table_type": "text", "caption": null, "header_text": "\u25cfThe name of the selling stockholder and any material relationship between us and the selling stockholder;"}, {"table_index": 10, "table_type": "text", "caption": null, "header_text": "Shares Beneficially OwnedPrior to the OfferingShares BeneficiallyOwned AfterCompletion of theOffering"}, {"table_index": 11, "table_type": "text", "caption": null, "header_text": "(1)Assumes that (i) all of the shares of common stock to be registered by the registration statement of which this prospectus is a part are sold in this offering and (ii) the selling stockholder does "}, {"table_index": 12, "table_type": "text", "caption": null, "header_text": "\u25cfordinary brokerage transactions and transactions in which the broker-dealer solicits purchasers;"}, {"table_index": 13, "table_type": "text", "caption": null, "header_text": "\u25cfthe designation of the series;"}, {"table_index": 14, "table_type": "text", "caption": null, "header_text": "\u25cfAnnual Report on Form 10-K for the fiscal year ended December 31, 2025, filed onJune 12, 2026, as amended by the Form 10-K/A, filed onJune 15, 2026;"}, {"table_index": 16, "table_type": "financial", "caption": null, "header_text": "SEC Registration Fee$189"}, {"table_index": 20, "table_type": "exhibit_index", "caption": null, "header_text": "ExhibitExhibit"}, {"table_index": 21, "table_type": "exhibit_index", "caption": null, "header_text": "4.2Common Stock Purchase Warrant dated May 6, 2020 (incorporated by reference to Exhibit 10.7 to the quarterly report on Form 10-Q filed with the SEC on June 8, 2020)"}, {"table_index": 22, "table_type": "exhibit_index", "caption": null, "header_text": "10.6***BIO-key International, Inc. 2015 Equity Incentive Plan (incorporated by reference to Appendix B to the definitive proxy statement filed with the SEC on December 15, 2015)"}, {"table_index": 23, "table_type": "exhibit_index", "caption": null, "header_text": "10.22Management Services Agreement dated March 8, 2022 by and among Swivel Aman-FZCO, Swivel Secure Europe, SA, and Alex Rocha (incorporated by reference to Exhibit 10.1 to the quarterly report on For"}, {"table_index": 24, "table_type": "exhibit_index", "caption": null, "header_text": "10.40Form of Warrant Exercise Agreement, dated January 15, 2025, by and between BIO-key International, Inc. and the Investor (incorporated by reference to Exhibit 10.1 to the current report on Form 8-"}, {"table_index": 27, "table_type": "text", "caption": null, "header_text": "By:/s/ Cecilia Welch"}, {"table_index": 28, "table_type": "text", "caption": null, "header_text": "SignatureTitleDate"}], "exhibits_pending": false, "cdn_html": true, "response_time_ms": 194}