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ATI INC — All Filings

1,000 total filings on record

Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.

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
8-K 8-K 0001628280-25-046559 Oct 28, 2025
10-Q 10-Q 0001628280-25-046675 Oct 28, 2025 Sep 28, 2025
4 4 0001193125-25-241608 Oct 16, 2025 Oct 15, 2025
144 0001959173-25-006448 Oct 15, 2025
4 4 0001193125-25-238346 Oct 14, 2025 Oct 10, 2025
4 4 0001193125-25-233981 Oct 8, 2025 Oct 6, 2025
144 0001959173-25-006347 Oct 6, 2025
SCHEDULE 13G/A 0002012383-25-001672 Oct 3, 2025
8-K 8-K 0001193125-25-217804 Sep 25, 2025 Sep 19, 2025
4 4 0001193125-25-213533 Sep 23, 2025 Sep 22, 2025
144 0001959173-25-006133 Sep 22, 2025
8-K 8-K 0001193125-25-199688 Sep 10, 2025 Sep 9, 2025
4 4 0001773072-25-000004 Sep 10, 2025 Sep 9, 2025
144 0001959173-25-005853 Sep 9, 2025
4 4 0000950170-25-104276 Aug 6, 2025 Aug 4, 2025
4 4 0000950170-25-104274 Aug 6, 2025 Aug 5, 2025
144 0001959173-25-004964 Aug 5, 2025
8-K 8-K 0001628280-25-036845 Jul 31, 2025
10-Q 10-Q 0001628280-25-036963 Jul 31, 2025 Jun 29, 2025
SCHEDULE 13G/A 0002052113-25-002991 Jul 17, 2025
UPLOAD 0000000000-25-006568 Jun 24, 2025
CORRESP 0001193125-25-143684 Jun 20, 2025
8-K 8-K 0001193125-25-143715 Jun 20, 2025 Jun 13, 2025
4 4 0000950170-25-086994 Jun 16, 2025 Jun 12, 2025
11-K 11-K 0001628280-25-031156 Jun 13, 2025 Dec 31, 2024
11-K 11-K 0001628280-25-031157 Jun 13, 2025 Dec 31, 2024
144 0001959173-25-004025 Jun 12, 2025
4 4 0000950170-25-082605 Jun 5, 2025 Jun 3, 2025
144 0001959173-25-003742 Jun 3, 2025
SD SD 0001193125-25-132284 May 30, 2025
4 4 0000950170-25-076328 May 22, 2025 May 20, 2025
4 4 0000950170-25-076334 May 22, 2025 May 20, 2025
4 4 0000950170-25-076341 May 22, 2025 May 20, 2025
4 4 0000950170-25-076302 May 22, 2025 May 20, 2025
4 4 0000950170-25-076307 May 22, 2025 May 20, 2025
4 4 0000950170-25-076313 May 22, 2025 May 20, 2025
4 4 0000950170-25-076317 May 22, 2025 May 20, 2025
4 4 0000950170-25-076322 May 22, 2025 May 20, 2025
4 4 0000950170-25-076324 May 22, 2025 May 20, 2025
8-K 8-K 0001193125-25-123974 May 21, 2025 May 15, 2025
144 0001959173-25-003350 May 20, 2025
SCHEDULE 13G/A 0000315066-25-001450 May 12, 2025
4 4 0000950170-25-067293 May 8, 2025 May 6, 2025
UPLOAD 0000000000-25-004843 May 7, 2025
144 0001959173-25-002909 May 6, 2025
10-Q 10-Q 0001628280-25-021463 May 1, 2025 Mar 30, 2025
8-K 8-K 0001628280-25-021324 May 1, 2025
SCHEDULE 13G/A 0000932471-25-000467 Apr 30, 2025
CORRESP 0001193125-25-089171 Apr 22, 2025
SCHEDULE 13G/A 0001576419-25-000549 Apr 17, 2025