KLA CORP — DEFA14A Filings
25 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by KLA CORP (KLAC), sorted by most recent first. Each row links to the full filing on EdgarLookup. KLA CORP has filed 25 DEFA14A documents with the SEC since 2016. To view all SEC filings by KLA CORP, see the full filings list.
All
10-C
10-K
10-K/A
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424A
424B1
424B3
424B5
425
5
5/A
8-A12G/A
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14A
DEFR14A
EFFECT
FWP
NT 10-K
NT 10-Q
PRE 14A
PX14A6G
RW
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-4MEF
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001193125-25-213335 | Sep 23, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-24-224800 | Sep 24, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-239575 | Sep 21, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-266400 | Oct 21, 2022 | — |
| DEFA14A | DEFA14A | 0001193125-22-260304 | Oct 11, 2022 | — |
| DEFA14A | DEFA14A | 0001193125-22-249178 | Sep 22, 2022 | — |
| DEFA14A | DEFA14A | 0001104659-21-119306 | Sep 24, 2021 | — |
| DEFA14A | DEFA14A | 0001104659-20-114805 | Oct 14, 2020 | — |
| DEFA14A | DEFA14A | 0001104659-20-107818 | Sep 23, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-19-273747 | Oct 25, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-19-250808 | Sep 20, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-18-287459 | Sep 28, 2018 | — |
| DEFA14A | FORM DEFA14A | 0001437749-17-016186 | Sep 21, 2017 | — |
| DEFA14A | NOTICE OF ADDITIONAL MATERIALS | 0001193125-16-718466 | Sep 23, 2016 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-15-327456 | Sep 24, 2015 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-14-353158 | Sep 25, 2014 | — |
| DEFA14A | DEFA14A | 0001193125-13-380100 | Sep 26, 2013 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-12-406667 | Sep 27, 2012 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-11-254394 | Sep 22, 2011 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-10-228091 | Oct 12, 2010 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-10-215592 | Sep 23, 2010 | — |
| DEFA14A | DEFINITVE ADDITIONAL MATERIALS | 0001193125-09-205701 | Oct 8, 2009 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-09-197328 | Sep 24, 2009 | — |
| DEFA14A | FORM 8-K | 0000891618-06-000245 | May 26, 2006 | — |
| DEFA14A | DEFINITIVE PROXY STATEMENT - ADDITIONAL MATERIALS | 0000950134-04-014409 | Oct 1, 2004 | — |