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ATI INC — 10-K Filings

25 10-K filings on record

This page lists all 10-K 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 25 10-K documents with the SEC since 2013. To view all SEC filings by ATI INC, see the full filings list.

Overview All Filings Financials Insiders
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
10-K 10-K 0001628280-26-010140 Feb 20, 2026 Dec 28, 2025
10-K 10-K 0001628280-25-007092 Feb 21, 2025 Dec 29, 2024
10-K 10-K 0001628280-24-006606 Feb 23, 2024 Dec 31, 2023
10-K 10-K 0001628280-23-005017 Feb 24, 2023 Dec 31, 2022
10-K 10-K 0001628280-22-003961 Feb 25, 2022 Dec 31, 2021
10-K 10-K 0001628280-21-003434 Feb 26, 2021 Dec 31, 2020
10-K 10-K 0001018963-20-000004 Feb 25, 2020 Dec 31, 2019
10-K — 0001018963-19-000007 Feb 28, 2019 Dec 31, 2018
10-K 10-K 0001018963-18-000004 Feb 20, 2018 Dec 31, 2017
10-K 10-K 0001018963-17-000007 Feb 24, 2017 Dec 31, 2016
10-K 10-K 0001018963-16-000049 Feb 26, 2016 Dec 31, 2015
10-K 10-K 0001018963-15-000005 Feb 26, 2015 Dec 31, 2014
10-K 10-K 0001445305-14-000663 Feb 27, 2014 Dec 31, 2013
10-K FORM 10-K 0001193125-13-084310 Feb 28, 2013 Dec 31, 2012
10-K 10-K 0001193125-12-081765 Feb 27, 2012 Dec 31, 2011
10-K FORM 10-K 0000950123-11-019865 Feb 28, 2011 Dec 31, 2010
10-K FORM 10-K 0000950123-10-017084 Feb 25, 2010 Dec 31, 2009
10-K 10-K 0000950152-09-001663 Feb 23, 2009 Dec 31, 2008
10-K ALLEGHENY TECHNOLOGIES INCORPORATED 10-K 0000950152-08-001416 Feb 26, 2008 Dec 31, 2007
10-K ALLEGHENY TECHNOLOGIES 10-K 0000950152-07-001549 Feb 27, 2007 Dec 31, 2006
10-K ALLEGHENY TECHNOLOGIES INCORPORATED FORM 10-K 0000950152-06-001573 Mar 1, 2006 Dec 31, 2005
10-K ALLEGHENY TECHNOLOGIES INCORPORATED 10-K 0000950128-05-000057 Feb 28, 2005 Dec 31, 2004
10-K ALLEGHENY TECHNOLOGIES 0000950128-04-000283 Mar 15, 2004 Dec 31, 2003
10-K ALLEGHENY TECHNOLOGIES, INC. 0000950128-03-000412 Mar 24, 2003 Dec 31, 2002
10-K ALLEGHENY TELEDYNE 10-K 0000950128-97-000664 Mar 27, 1997 Dec 31, 1996