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Home/The Filing Wire/ATI Inc./ 4

Changes in Beneficial Ownership · 4

ATI Inc.

ATINYSEEQUITYCurrent

Changes in Beneficial Ownership

Filed Aug 26, 2026Accepted Aug 26, 2026, 3:57 PM EDTFiling CIK 1018963Accession 0001193125-26-368175
View company →Permanent SEC source ↗
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Structured filing — 4

ownership.xml

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Filing details

Report period
2026-08-24
Issuer
ATI INC
Issuer CIK
0001018963
Trading symbol
ATI
Rule 10b5-1 indication
Checked

Reporting owner 1

Name
Harris Timothy J
Reporting owner CIK
0001776844
Relationship
Officer
Officer title
Senior VP and CDIO
Address
C/O ATI INC., 2021 MCKINNEY AVE., SUITE 1100, DALLAS, TX, 75201

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Stock, par value $0.10 per share2026-08-24S · Form 4[F1]16,500D206.92146,687D
Table key
S · Form 4
Sale on the market or privately
D
Direct

Footnotes

F1
Shares sold pursuant to a 10b5-1 Trading Plan dated May 21, 2026, entered into for personal tax and estate planning purposes.↩ 1

Signature 1

Signed
/s/ Amanda J. Skov, Attorney-in-Fact for Timothy J. Harris
Date
2026-08-26

Company context

Current securities

ATINYSE · EQUITY · Current

Recent company filings

  1. 10-Q filingOct 29, 2026
  2. Results of Operations and Financial ConditionOct 29, 2026
  3. 144 filingSep 21, 2026
  4. 144 filingSep 14, 2026
  5. 4 filingSep 10, 2026

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