{"url_path":"/sec/rtb/8-k/2026-05-13/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K/A","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/1419275/0001185185-26-001834-index.html","accession_number":"0001185185-26-001834","cik":"0001419275","ticker":"RTB","issuer_name":"RTB Digital, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1419275/0001185185-26-001834-index.html","primary_entity_key":"0001419275","primary_entity_name":"RYVYL Inc."},"word_count":362,"has_tables":true,"body_markdown":"true\n0001419275\nRYVYL Inc.\n\n0001419275\n\n2026-05-12\n2026-05-12\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n**UNITED\nSTATES**\n\n**SECURITIES\nAND EXCHANGE COMMISSION**\n\n**Washington,\nD.C. 20549**\n\n \n\n \n\n \n\n**FORM\n8-K**\n\n**Amendment No. 1**\n\n \n\n \n\n \n\nCurrent\nReport Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934\n\n \n\n**Date\nof Report (Date of earliest event reported): May 12, 2026**\n\n \n\n**RTB Digital, Inc.**\n\n(Exact\nname of registrant as specified in its charter)\n\n \n\n**Nevada**\n \n**001-34294**\n \n**22-3962936**\n\n(State\nor other jurisdiction\n\nof incorporation)\n \n(Commission\nFile Number\n \n(I.R.S.\nEmployer\n\nIdentification No.)\n\n \n\n**3111 Camino Del Rio North, Suite 400\nSan Diego, CA 92108**\n\n(Address of principal executive offices\nand zip code)\n\n \n\nRegistrant’s\ntelephone number, including area code: (855) 201-1613\n\n \n\nCheck the appropriate box below if\nthe Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:\n\n \n\n☐\nWritten\ncommunications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n \n\n☐\nSoliciting\nmaterial pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n \n\n☐\nPre-commencement\ncommunications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n \n\n☐\nPre-commencement\ncommunications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nSecurities registered pursuant to\nSection 12(b) of the Exchange Act:\n\n \n\n**Title\nof each class**\n \n**Trading\nSymbol(s)**\n \n**Name\nof each exchange on which registered**\n\nCommon Stock, par value $0.001 per share\n \nRTB\n \nThe\nNasdaq Stock\nMarket LLC\n\n(Nasdaq Capital Market)\n\n \n\nIndicate\nby check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405\nof this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).\n\n \n\nEmerging\ngrowth company ☐\n\n \n\nIf\nan emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying\nwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐\n\n \n\n \n\n \n\n \n\n \n\n \n\n**EXPLANATORY NOTE**\n\n \n\nThis filing is being made to file a copy of Exhibit 3.2, the Certificate\nof Merger between RYVYL Merger Sub Inc. and RTB Digital, Inc., indicated in the original filing of this Current Report on Form 8-K, filed\non May 13, 2025, as being filed by amendment."}