{"filing":{"accession_number":"0001193125-26-424709","cik":"0001049502","ticker":"MKSI","company_name":"MKS INC","form":"8-K","filing_date":"2026-10-19","report_date":"2026-10-19","primary_document":"mksi-20261019.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1049502/000119312526424709/mksi-20261019.htm"},"events":[{"id":35971,"run_id":33160,"accession_number":"0001193125-26-424709","anchor_item_number":"8.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"summary":"MKS Inc. has entered into a definitive agreement to sell its Ophir® Optics business to TTM Technologies, Inc. for $650 million in an all-cash transaction, expected to close in Q2 2027. This is a material disposition of a business unit that would significantly affect investor assessment of the company's portfolio, financial position, and strategic direction. The transaction size and CEO commentary emphasizing balance sheet strengthening confirm materiality.","company_name":"MKS INC","ticker":"MKSI","filing_date":"2026-10-19","form":"8-K","submitted_at":null,"items":[{"id":40218,"accession_number":"0001193125-26-424709","item_number":"8.01","item_title":"Other Events.","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"MKS Inc. has entered into a definitive agreement to sell its Ophir® Optics business to TTM Technologies, Inc. for $650 million in an all-cash transaction, expected to close in Q2 2027. This is a material disposition of a business unit that would significantly affect investor assessment of the company's portfolio, financial position, and strategic direction. The transaction size and CEO commentary emphasizing balance sheet strengthening confirm materiality.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-19T12:18:37.392069+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":40218,"accession_number":"0001193125-26-424709","item_number":"8.01","item_title":"Other Events.","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"MKS Inc. has entered into a definitive agreement to sell its Ophir® Optics business to TTM Technologies, Inc. for $650 million in an all-cash transaction, expected to close in Q2 2027. This is a material disposition of a business unit that would significantly affect investor assessment of the company's portfolio, financial position, and strategic direction. The transaction size and CEO commentary emphasizing balance sheet strengthening confirm materiality.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-19T12:18:37.392069+00:00","company_name":"MKS INC","ticker":"MKSI","filing_date":"2026-10-19"}]}