{"url_path":"/sec/gpatw/8-k/2026-05-13/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/1834526/0001213900-26-055248-index.html","accession_number":"0001213900-26-055248","cik":"0001834526","ticker":"GPAT","issuer_name":"GP-Act III Acquisition Corp.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1834526/0001213900-26-055248-index.html","primary_entity_key":"0001834526","primary_entity_name":"GP-Act III Acquisition Corp."},"word_count":382,"has_tables":true,"body_markdown":"false\n0001834526\n00-0000000\n\n0001834526\n\n2026-05-12\n2026-05-12\n\n0001834526\n\nGPAT:UnitsEachConsistingOfOneClassOrdinaryShareAndOnehalfOfOneRedeemableWarrantMember\n\n2026-05-12\n2026-05-12\n\n0001834526\n\nGPAT:ClassOrdinarySharesParValue0.0001PerShareMember\n\n2026-05-12\n2026-05-12\n\n0001834526\n\nGPAT:RedeemableWarrantsEachWholeWarrantExercisableForOneClassOrdinaryShareAtExercisePriceOf11.50Member\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**FORM\n8-K**\n\n** **\n\n**CURRENT\nREPORT**\n\n**PURSUANT\nTO SECTION 13 OR 15(D)**\n\n**OF\nTHE SECURITIES EXCHANGE ACT OF 1934**\n\n** **\n\n**Date\nof Report (Date of earliest event reported): May 12, 2026**\n\n** **\n\n**GP-Act\nIII Acquisition Corp.**\n\n**(Exact\nname of registrant as specified in its charter)**\n\n \n\n**Cayman\nIslands**\n \n**001-42046**\n \n**N/A**\n\n**(State or other jurisdiction**\n \n**(Commission File Number)**\n \n**(I.R.S. Employer**\n\n**of incorporation)**\n \n \n \n**Identification No.)**\n\n** **\n\n**300\nPark Avenue****, 2nd\nFloor****,\nNew York****,\nNew York**\n \n**10022**\n\n**(Address of principal\nexecutive offices)**\n \n**(Zip Code)**\n\n** **\n\n**+1\n(212) 430-4340**\n\n**(Registrant’s\ntelephone number, including area code)**\n\n** **\n\n**Not\nApplicable**\n\n**(Former\nname or former address, if changed since last report)**\n\n** **\n\nCheck\nthe appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under\nany of the following provisions:\n\n \n\n☐ \nWritten communications\npursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n \n\n☐\nSoliciting material pursuant\nto Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n \n\n☐\nPre-commencement communications\npursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n \n\n☐\nPre-commencement communications\npursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nSecurities\nregistered pursuant to Section 12(b) of the Securities Exchange Act of 1934:\n\n \n\n**Title\nof each class**\n \n**Trading\nSymbol(s)**\n \n**Name\nof each exchange on which registered**\n\n**Units,\neach consisting of one Class A ordinary share and one-half of one redeemable warrant**\n \n**GPATU**\n \n**The\nNasdaq Stock Market LLC**\n\n**Class\nA ordinary shares, par value $0.0001 per share**\n \n**GPAT**\n \n**The\nNasdaq Stock Market LLC**\n\n**Redeemable\nwarrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50**\n \n**GPATW**\n \n**The\nNasdaq Stock Market LLC**\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. ☐"}