ATI INC — DEF 14A Filings
31 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by ATI INC (ATI), sorted by most recent first. Each row links to the full filing on EdgarLookup. ATI INC has filed 31 DEF 14A documents with the SEC since 2013. To view all SEC filings by ATI INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
15-12G
3
305B2
4
4/A
424B2
424B3
424B5
425
5
8-A12B
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
NO ACT
PRE 14A
PRES14A
S-3
S-3/A
S-3ASR
S-4
S-4 POS
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001193125-26-121340 | Mar 24, 2026 | May 14, 2026 |
| DEF 14A | DEF 14A | 0001193125-25-065233 | Mar 27, 2025 | May 16, 2025 |
| DEF 14A | DEF 14A | 0001193125-24-080426 | Mar 28, 2024 | May 16, 2024 |
| DEF 14A | DEF 14A | 0001193125-23-079055 | Mar 24, 2023 | — |
| DEF 14A | DEF 14A | 0001193125-22-084852 | Mar 25, 2022 | May 12, 2022 |
| DEF 14A | DEF 14A | 0001193125-21-106350 | Apr 5, 2021 | May 20, 2021 |
| DEF 14A | DEF 14A | 0001193125-20-083817 | Mar 24, 2020 | May 8, 2020 |
| DEF 14A | DEF 14A | 0001193125-19-080693 | Mar 20, 2019 | May 9, 2019 |
| DEF 14A | DEF 14A | 0001193125-18-097670 | Mar 27, 2018 | May 10, 2018 |
| DEF 14A | DEF 14A | 0001193125-17-103595 | Mar 30, 2017 | May 11, 2017 |
| DEF 14A | DEF 14A | 0001193125-16-519207 | Mar 28, 2016 | May 6, 2016 |
| DEF 14A | DEF 14A | 0001193125-15-099455 | Mar 20, 2015 | May 1, 2015 |
| DEF 14A | DEF 14A | 0001193125-14-115642 | Mar 26, 2014 | May 1, 2014 |
| DEF 14A | DEF 14A | 0001193125-13-118475 | Mar 21, 2013 | May 2, 2013 |
| DEF 14A | DEF 14A | 0001193125-12-132106 | Mar 26, 2012 | May 11, 2012 |
| DEF 14A | DEF 14A | 0000950123-11-023648 | Mar 9, 2011 | Apr 29, 2011 |
| DEF 14A | SCHEDULE DEF 14A | 0000950123-10-031719 | Apr 2, 2010 | May 7, 2010 |
| DEF 14A | FORM DEF 14A | 0000950152-09-002956 | Mar 23, 2009 | May 7, 2009 |
| DEF 14A | ALLEGHENY TECHNOLOGIES INCORPORATED DEF 14A | 0000950152-08-002281 | Mar 25, 2008 | May 9, 2008 |
| DEF 14A | ALLEGHENY TECHNOLOGIES INCORPORATED DEF 14A | 0000950152-07-002276 | Mar 19, 2007 | May 2, 2007 |
| DEF 14A | ALLEGHENY TECHNOLOGIES INCORPORATED DEF 14A | 0000950152-06-002228 | Mar 17, 2006 | May 4, 2006 |
| DEF 14A | ALLEGHENY TECHNOLOGIES INCORPORATED | 0000950152-05-002078 | Mar 14, 2005 | Apr 22, 2005 |
| DEF 14A | ALLEGHENY TECHNOLOGIES | 0000950128-04-000333 | Mar 26, 2004 | May 6, 2004 |
| DEF 14A | NOTICE AND PROXY STATEMENT | 0000950128-03-000443 | Mar 28, 2003 | May 8, 2003 |
| DEF 14A | NOTICE AND PROXY STATEMENT | 0000950128-02-000282 | Mar 19, 2002 | May 9, 2002 |
| DEF 14A | ALLEGHENY TECHNOLOGIES INC. | 0000950128-01-000486 | Mar 14, 2001 | May 3, 2001 |
| DEF 14A | ALLEGHENY TECHNOLOGIES INC. | 0000950128-00-000548 | Mar 21, 2000 | Dec 31, 1999 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950132-99-000912 | Oct 14, 1999 | Nov 11, 1999 |
| DEF 14A | NOTICE AND PROXY | 0000950128-99-000586 | Mar 18, 1999 | May 13, 1999 |
| DEF 14A | ALLEGHENY TELEDYNE INC. | 0000950128-98-000652 | Mar 23, 1998 | Dec 31, 1997 |
| DEF 14A | ALLEGHENY TELEDYNE INC. | 0000950128-97-000666 | Mar 27, 1997 | Dec 31, 1996 |