---
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"
generated_at: "2026-06-08T20:21:41.378519+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ATI closes $450M offering of 5.875% Senior Notes due 2033

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-261769
- JSON: https://secwatch.observer/filing/0001193125-26-261769.json
- Plain text: https://secwatch.observer/filing/0001193125-26-261769.txt

## Key facts
- Debt Financings
  ATI INC incurred senior notes of $450 million at 5.875% maturing June 15, 2033.
  - Instrument: senior notes
  - Principal: $450 million
  - Rate: 5.875%
  - Maturity: June 15, 2033
  - Event: incurrence
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/1018963/000119312526261769/0001193125-26-261769-index.htm
- Material Agreements
  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).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: Computershare Trust Company, N.A., as successor trustee to Wells Fargo Bank, National Association, as trustee
  - Value: $450 million
  - Effective: 2026-06-08
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/1018963/000119312526261769/0001193125-26-261769-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.