LAM RESEARCH CORP — DEFA14A Filings
20 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by LAM RESEARCH CORP (LRCX), sorted by most recent first. Each row links to the full filing on EdgarLookup. LAM RESEARCH CORP has filed 20 DEFA14A documents with the SEC since 2014. To view all SEC filings by LAM RESEARCH CORP, see the full filings list.
All
10-C
10-K
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424B3
424B5
425
5
8-A12G
8-A12G/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
DEFS14A
EFFECT
FWP
NT 10-K
NT 10-Q
PRE 14A
RW
S-3
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001140361-25-036029 | Sep 24, 2025 | — |
| DEFA14A | DEFA14A | 0001140361-25-036021 | Sep 24, 2025 | — |
| DEFA14A | FORM DEFA14A | 0001140361-24-041894 | Sep 25, 2024 | — |
| DEFA14A | DEFA14A | 0001140361-23-045530 | Sep 27, 2023 | — |
| DEFA14A | DEFA14A | 0001104659-22-103705 | Sep 28, 2022 | — |
| DEFA14A | DEFA14A | 0001104659-21-120225 | Sep 28, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-20-270258 | Oct 15, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-252310 | Sep 23, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-19-268587 | Oct 16, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-19-267370 | Oct 15, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-19-254751 | Sep 25, 2019 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-18-284084 | Sep 26, 2018 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-17-297816 | Sep 28, 2017 | — |
| DEFA14A | DEFA14A | 0001193125-16-731759 | Oct 6, 2016 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-16-725692 | Sep 29, 2016 | — |
| DEFA14A | NOTICE & ACCESS | 0001193125-15-324411 | Sep 21, 2015 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-14-002897 | Sep 23, 2014 | — |
| DEFA14A | DEFA14A | 0001193125-13-376341 | Sep 24, 2013 | — |
| DEFA14A | NOTICE AND ACCESS CARD | 0001193125-12-399929 | Sep 21, 2012 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-11-250953 | Sep 19, 2011 | — |