ATI INC — DEFA14A Filings
20 DEFA14A filings on record
This page lists all DEFA14A 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 20 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001193125-26-121343 | Mar 24, 2026 | — |
| DEFA14A | DEFA14A | 0001193125-25-065235 | Mar 27, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-24-080436 | Mar 28, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-079366 | Mar 27, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-23-079058 | Mar 24, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-123468 | Apr 27, 2022 | — |
| DEFA14A | DEFA14A | 0001193125-22-084854 | Mar 25, 2022 | — |
| DEFA14A | DEFA14A | 0001193125-21-106366 | Apr 5, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-20-112210 | Apr 20, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-112196 | Apr 20, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-112186 | Apr 20, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-085545 | Mar 26, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-19-083166 | Mar 22, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-19-080724 | Mar 20, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-15-139422 | Apr 21, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-15-129388 | Apr 14, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-15-128654 | Apr 14, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-12-188584 | Apr 27, 2012 | — |
| DEFA14A | DEFA14A | 0000950123-11-034898 | Apr 12, 2011 | — |
| DEFA14A | ALLEGHENY TECHNOLOGIES INCORPORATED | 0000950128-01-000506 | Mar 21, 2001 | — |