Ultra Clean Holdings, Inc. — DEFA14A Filings
4 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by Ultra Clean Holdings, Inc. (UCTT), sorted by most recent first. Each row links to the full filing on EdgarLookup. Ultra Clean Holdings, Inc. has filed 4 DEFA14A documents with the SEC since 2013. To view all SEC filings by Ultra Clean Holdings, Inc., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B3
424B5
5
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
POS AM
RW
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-8
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 | 0001140361-23-021731 | May 1, 2023 | — |
| DEFA14A | FORM DEFA14A | 0000950103-20-009587 | May 15, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-10-093434 | Apr 26, 2010 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0000950134-09-009281 | May 4, 2009 | — |