{"url_path":"/sec/ppta/8-k/2026-05-21/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-21","source_url":"https://www.sec.gov/Archives/edgar/data/1526243/0001104659-26-065145-index.html","accession_number":"0001104659-26-065145","cik":"0001526243","ticker":"PPTA","issuer_name":"PERPETUA RESOURCES CORP.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1526243/0001104659-26-065145-index.html","primary_entity_key":"0001526243","primary_entity_name":"PERPETUA RESOURCES CORP."},"word_count":293,"has_tables":true,"body_markdown":"false\n0001526243\nA1\n\n0001526243\n\n2026-05-21\n2026-05-21\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n \n\n**UNITED\nSTATES\nSECURITIES AND EXCHANGE COMMISSION****Washington, D.C. 20549**\n\n \n\n**FORM 8-K**\n\n \n\n**CURRENT REPORT\nPursuant to Section 13 or 15(d)\nof the Securities Exchange Act of 1934**\n\n \n\n**Date of report (date of earliest event reported):\nMay 21, 2026**\n\n \n\n**Perpetua Resources Corp.**\n\n**(Exact name of registrant as specified in its charter)**\n\n \n\n**British Columbia**\n**001-39918**\n**98-1040943**\n\n**(State or other jurisdiction of\nincorporation)**\n**(Commission File Number)**\n**(I.R.S. Employer\nIdentification No.)**\n\n \n\n**405 S. 8th Street, Ste. 201**\n\n**Boise, Idaho**\n\n \n**83702**\n\n**(Address of principal executive\noffices)**\n \n**(Zip Code)**\n\n \n\n**Registrant’s telephone\nnumber, including area code: (208) 901-3060  **\n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended\nto simultaneously satisfy the filing obligation of the registrant under any of the following provisions:\n\n \n\n¨Written communications pursuant to Rule 425 under the Securities\nAct (17 CFR 230.425)\n\n \n\n¨Soliciting material pursuant to Rule 14a-12 under the Exchange\nAct (17 CFR 240.14a-12)\n\n  \n\n¨Pre-commencement communications pursuant to Rule 14d-2(b) under\nthe Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n¨Pre-commencement communications pursuant to Rule 13e-4(c) under\nthe Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nSecurities registered pursuant to Section 12(b) of\nthe Act:\n\n \n\n**Title of each class**\n**Trading Symbol(s)**\n**Name of each exchange on which\nregistered**\n\nCommon Shares, without par value\nPPTA\nNasdaq 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 (17 CFR §230.405)\nor Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).\n\n \n\nEmerging\ngrowth company x\n\n \n\nIf an emerging\ngrowth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any\nnew or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨"}