{"filing":{"accession_number":"0001193125-26-261769","cik":"0001018963","ticker":"ATI","company_name":"ATI INC","form":"8-K","filing_date":"2026-06-08","report_date":null,"primary_document":"d163250d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1018963/000119312526261769/d163250d8k.htm"},"events":[{"id":6204,"run_id":5448,"accession_number":"0001193125-26-261769","anchor_item_number":"1.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"ATI Inc. completed a $450 million offering of unsecured senior notes due 2033 on June 8, 2026, pursuant to a shelf registration statement. The notes carry a 5.875% coupon and represent a material financing activity and capital structure change.","company_name":"ATI INC","ticker":"ATI","filing_date":"2026-06-08","form":"8-K","submitted_at":null,"items":[{"id":5221,"accession_number":"0001193125-26-261769","item_number":"1.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"ATI Inc. completed a $450 million offering of unsecured senior notes due 2033 on June 8, 2026, pursuant to a shelf registration statement. While this is a debt issuance rather than a traditional M\u0026A transaction, Item 1.01 (\"Entry into a Material Definitive Agreement\") captures material financing activities and capital structure changes. The magnitude ($450M) and terms (7-year maturity, 5.875% coupon) are material to investors assessing the company's leverage and financial obligations.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-08T20:17:16.582406+00:00","company_name":"","ticker":null,"filing_date":""},{"id":5222,"accession_number":"0001193125-26-261769","item_number":"2.03","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.45,"reasoning":"Item 2.03 incorporates Item 1.01 by reference, which typically covers material acquisitions or dispositions. Without access to the Item 1.01 disclosure, the specific nature of the financial obligation cannot be determined. The incorporation suggests a material transaction creating direct financial obligations, but the event type cannot be precisely classified without reviewing the referenced Item 1.01 content.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-08T20:17:16.582406+00:00","company_name":"","ticker":null,"filing_date":""},{"id":5223,"accession_number":"0001193125-26-261769","item_number":"8.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"reasoning":"The disclosure describes execution of an underwriting agreement with Goldman Sachs for a securities offering (the \"Offering\"), including indemnification provisions and counsel opinion on validity of notes issued. While this relates to a capital-raising transaction, the Item 8.01 disclosure is limited to the underwriting agreement mechanics rather than the offering itself (which would typically be disclosed under Item 3.02 for equity issuances or Item 1.01 for debt). The materiality of the underlying offering is evident, but the specific event disclosed here—the underwriting agreement execution—is a procedural step in a broader financing transaction that may be more comprehensively disclosed elsewhere in the 8-K.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-08T20:17:16.582406+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":5221,"accession_number":"0001193125-26-261769","item_number":"1.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"ATI Inc. completed a $450 million offering of unsecured senior notes due 2033 on June 8, 2026, pursuant to a shelf registration statement. While this is a debt issuance rather than a traditional M\u0026A transaction, Item 1.01 (\"Entry into a Material Definitive Agreement\") captures material financing activities and capital structure changes. The magnitude ($450M) and terms (7-year maturity, 5.875% coupon) are material to investors assessing the company's leverage and financial obligations.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-08T20:17:16.582406+00:00","company_name":"ATI INC","ticker":"ATI","filing_date":"2026-06-08"},{"id":5222,"accession_number":"0001193125-26-261769","item_number":"2.03","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.45,"reasoning":"Item 2.03 incorporates Item 1.01 by reference, which typically covers material acquisitions or dispositions. Without access to the Item 1.01 disclosure, the specific nature of the financial obligation cannot be determined. The incorporation suggests a material transaction creating direct financial obligations, but the event type cannot be precisely classified without reviewing the referenced Item 1.01 content.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-08T20:17:16.582406+00:00","company_name":"ATI INC","ticker":"ATI","filing_date":"2026-06-08"},{"id":5223,"accession_number":"0001193125-26-261769","item_number":"8.01","item_title":null,"event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"reasoning":"The disclosure describes execution of an underwriting agreement with Goldman Sachs for a securities offering (the \"Offering\"), including indemnification provisions and counsel opinion on validity of notes issued. While this relates to a capital-raising transaction, the Item 8.01 disclosure is limited to the underwriting agreement mechanics rather than the offering itself (which would typically be disclosed under Item 3.02 for equity issuances or Item 1.01 for debt). The materiality of the underlying offering is evident, but the specific event disclosed here—the underwriting agreement execution—is a procedural step in a broader financing transaction that may be more comprehensively disclosed elsewhere in the 8-K.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-08T20:17:16.582406+00:00","company_name":"ATI INC","ticker":"ATI","filing_date":"2026-06-08"}]}