{"filing":{"accession_number":"0001628280-26-037738","cik":"0000310158","ticker":"MRK","company_name":"Merck \u0026 Co., Inc.","form":"8-K","filing_date":"2026-05-22","report_date":null,"primary_document":"mrk-20260522.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/310158/000162828026037738/mrk-20260522.htm"},"events":[{"id":10711,"run_id":9396,"accession_number":"0001628280-26-037738","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"summary":"Merck closed a $5.5 billion underwritten public offering of debt securities across seven tranches (Floating Rate Notes, 2028, 2031, 2033, 2036, 2046, and 2056 Notes). While this is a material financing event affecting the company's capital structure and liquidity, it does not fit neatly into the specific taxonomy categories (not M\u0026A, not a dilutive equity issuance, not a restatement or covenant breach). This is a significant debt issuance that would materially affect a reasonable investor's assessment of the registrant's financial position and leverage.","company_name":"Merck \u0026 Co., Inc.","ticker":"MRK","filing_date":"2026-05-22","form":"8-K","submitted_at":null,"items":[{"id":7091,"accession_number":"0001628280-26-037738","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"Merck closed a $5.5 billion underwritten public offering of debt securities across seven tranches (Floating Rate Notes, 2028, 2031, 2033, 2036, 2046, and 2056 Notes). While this is a material financing event affecting the company's capital structure and liquidity, it does not fit neatly into the specific taxonomy categories (not M\u0026A, not a dilutive equity issuance, not a restatement or covenant breach). This is a significant debt issuance that would materially affect a reasonable investor's assessment of the registrant's financial position and leverage.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T00:57:47.061997+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":7091,"accession_number":"0001628280-26-037738","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"Merck closed a $5.5 billion underwritten public offering of debt securities across seven tranches (Floating Rate Notes, 2028, 2031, 2033, 2036, 2046, and 2056 Notes). While this is a material financing event affecting the company's capital structure and liquidity, it does not fit neatly into the specific taxonomy categories (not M\u0026A, not a dilutive equity issuance, not a restatement or covenant breach). This is a significant debt issuance that would materially affect a reasonable investor's assessment of the registrant's financial position and leverage.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T00:57:47.061997+00:00","company_name":"Merck \u0026 Co., Inc.","ticker":"MRK","filing_date":"2026-05-22"}]}