{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-261769","form_type":"8-K","ticker":"ATI","cik":"0001018963","company_name":"ATI INC","filed_at":"2026-06-08T20:15:28+00:00","discovered_at":"2026-06-08T20:16:00.474726+00:00","generated_at":"2026-06-08T20:21:41.378519+00:00","sec_items":["1.01","2.03","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"ATI closes $450M offering of 5.875% Senior Notes due 2033","bullets":["Issued $450M aggregate principal of unsecured 5.875% Senior Notes due June 15, 2033.","Interest payable semi-annually on June 15 and Dec 15, starting Dec 15, 2026.","Redeemable at par plus premium before June 15, 2029; at specified prices thereafter.","Up to 35% may be redeemed with equity offering proceeds before June 15, 2029.","Underwriting agreement with Goldman Sachs & Co. LLC dated June 3, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-261769","json":"https://secwatch.observer/filing/0001193125-26-261769.json","markdown":"https://secwatch.observer/filing/0001193125-26-261769.md","text":"https://secwatch.observer/filing/0001193125-26-261769.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1018963/000119312526261769/0001193125-26-261769-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1018963/000119312526261769/d163250d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T20:21:41.378519+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"9da01115643e379ab85d8359713686127eff7d3f","claim":"ATI INC incurred senior notes of $450 million at 5.875% maturing June 15, 2033.","evidence_excerpt":"On June 8, 2026, ATI Inc. (the “Company”) completed its offering and sale of $450 million aggregate principal amount of the Company’s unsecured 5.875% Senior Notes due 2033 (the “Notes”).","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1018963/000119312526261769/0001193125-26-261769-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$450 million"},{"label":"Rate","value":"5.875%"},{"label":"Maturity","value":"June 15, 2033"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"99e768c776426176a8b5ad3ec0e68b72cfbb9f04","claim":"ATI INC entered into Third Supplemental Indenture with Computershare Trust Company, N.A., as successor trustee to Wells Fargo Bank, National Association, as trustee valued at $450 million (effective 2026-06-08).","evidence_excerpt":"On June 8, 2026, ATI Inc. (the “Company”) completed its offering and sale of $450 million aggregate principal amount of the Company’s unsecured 5.875% Senior Notes due 2033 (the “Notes”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1018963/000119312526261769/0001193125-26-261769-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"Computershare Trust Company, N.A., as successor trustee to Wells Fargo Bank, National Association, as trustee"},{"label":"Value","value":"$450 million"},{"label":"Effective","value":"2026-06-08"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}