Ultra Clean Holdings, Inc. — 8-K Filings
213 8-K filings on record
This page lists all 8-K 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 213 8-K 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 |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0000950103-21-006589 | May 3, 2021 | — |
| 8-K | FORM 8-K | 0000950103-21-006239 | Apr 28, 2021 | — |
| 8-K | FORM 8-K | 0000950103-21-006240 | Apr 28, 2021 | Apr 22, 2021 |
| 8-K | FORM 8-K | 0000950103-21-005505 | Apr 13, 2021 | Apr 8, 2021 |
| 8-K | 8-K | 0001193125-21-106305 | Apr 5, 2021 | Mar 31, 2021 |
| 8-K | FORM 8-K | 0000950103-21-002626 | Feb 22, 2021 | — |
| 8-K | FORM 8-K | 0000950103-21-002398 | Feb 17, 2021 | — |
| 8-K | FORM 8-K | 0000950103-20-024352 | Dec 17, 2020 | Dec 16, 2020 |
| 8-K | FORM 8-K | 0000950103-20-020790 | Oct 28, 2020 | — |
| 8-K | FORM 8-K | 0000950103-20-014410 | Jul 29, 2020 | — |
| 8-K | FORM 8-K | 0000950103-20-011063 | Jun 3, 2020 | Jun 2, 2020 |
| 8-K | FORM 8-K | 0000950103-20-008424 | Apr 29, 2020 | — |
| 8-K | FORM 8-K | 0000950103-20-002953 | Feb 19, 2020 | — |
| 8-K | FORM 8-K | 0000950103-19-017542 | Dec 23, 2019 | Dec 17, 2019 |
| 8-K | FORM 8-K | 0000950103-19-014518 | Oct 30, 2019 | — |
| 8-K | FORM 8-K | 0000950103-19-010073 | Jul 31, 2019 | — |
| 8-K | FORM 8-K | 0000950103-19-007812 | Jun 5, 2019 | May 30, 2019 |
| 8-K | FORM 8-K | 0000950103-19-006851 | May 29, 2019 | May 28, 2019 |
| 8-K | FORM 8-K | 0000950103-19-006784 | May 24, 2019 | May 23, 2019 |
| 8-K | FORM 8-K | 0000950103-19-005848 | May 2, 2019 | — |
| 8-K | FORM 8-K | 0000950103-19-003861 | Mar 28, 2019 | Mar 25, 2019 |
| 8-K | FORM 8-K | 0000950103-19-002216 | Feb 21, 2019 | — |
| 8-K | FORM 8-K | 0000950103-18-013126 | Nov 6, 2018 | — |
| 8-K | FORM 8-K | 0000950103-18-012920 | Nov 1, 2018 | Oct 26, 2018 |
| 8-K | FORM 8-K | 0000950103-18-011642 | Oct 4, 2018 | Oct 1, 2018 |
| 8-K | FORM 8-K | 0000950103-18-010440 | Sep 5, 2018 | — |
| 8-K | FORM 8-K | 0000950103-18-010284 | Aug 31, 2018 | Aug 27, 2018 |
| 8-K | FORM 8-K | 0000950103-18-008871 | Jul 26, 2018 | — |
| 8-K | FORM 8-K | 0000950103-18-008852 | Jul 25, 2018 | Jul 24, 2018 |
| 8-K | FORM 8-K | 0000950103-18-007190 | Jun 6, 2018 | Jun 1, 2018 |
| 8-K | FORM 8-K | 0000950103-18-006972 | Jun 1, 2018 | — |
| 8-K | FORM 8-K | 0000950103-18-006245 | May 17, 2018 | May 15, 2018 |
| 8-K | FORM 8-K | 0000950103-18-005154 | Apr 25, 2018 | — |
| 8-K | FORM 8-K | 0000950103-18-004244 | Apr 2, 2018 | Mar 29, 2018 |
| 8-K | FORM 8-K | 0000950103-18-002260 | Feb 21, 2018 | — |
| 8-K | FORM 8-K | 0000950103-18-001890 | Feb 12, 2018 | Feb 6, 2018 |
| 8-K | FORM 8-K | 0000950103-18-001449 | Feb 2, 2018 | Jan 30, 2018 |
| 8-K | FORM 8-K | 0000950103-18-000944 | Jan 29, 2018 | — |
| 8-K | FORM 8-K | 0000950103-18-000421 | Jan 16, 2018 | — |
| 8-K | FORM 8-K | 0000950103-17-011187 | Nov 15, 2017 | Nov 13, 2017 |
| 8-K | FORM 8-K | 0000950103-17-010242 | Oct 25, 2017 | — |
| 8-K | FORM 8-K | 0000950103-17-009485 | Oct 2, 2017 | — |
| 8-K | FORM 8-K | 0000950103-17-007166 | Jul 27, 2017 | — |
| 8-K | FORM 8-K | 0000950103-17-005041 | May 30, 2017 | May 24, 2017 |
| 8-K | FORM 8-K | 0000950103-17-003852 | Apr 26, 2017 | Feb 26, 2017 |
| 8-K | FORM 8-K | 0000950103-17-001607 | Feb 22, 2017 | — |
| 8-K | FORM 8-K | 0000950103-17-001548 | Feb 17, 2017 | Feb 15, 2017 |
| 8-K | FORM 8-K | 0000950103-17-000253 | Jan 9, 2017 | — |
| 8-K | FORM 8-K | 0000950103-16-017315 | Oct 26, 2016 | — |
| 8-K | FORM 8-K | 0000950103-16-015101 | Jul 28, 2016 | — |