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‹ Newer filing: ATI Annual report to shareholdersOlder filing ›: ATI Proxy statement
ATIATI
DEFA14A

Proxy supplement

Filed Mar 24, 2026 · 13:11 ET

Filed
Mar 24, 2026
Accepted
2026-03-24 17:11Z
Accession no.
0001193125-26-121343
Size
604 KB
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Filing index

Documents

Read the original on EDGAR ↗
‹ Newer filing: ATI Annual report to shareholdersOlder filing ›: ATI Proxy statement

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ATI

Company terminalAll ATI filings

About this form

DEFA14A · Proxy supplement

Additional soliciting material for a shareholder vote, filed after the proxy.

Recent ATI filings

All
  • 4Insider transactionSep 16, 2026
  • 144Proposed insider saleSep 14, 2026
  • 4Insider transactionSep 10, 2026
  • 144Proposed insider saleSep 8, 2026
  • 144Proposed insider saleSep 2, 2026
  • 144Proposed insider saleAug 31, 2026
  • 144Proposed insider saleAug 24, 2026
  • 144Proposed insider saleAug 17, 2026