Company · CIK 1275014 # Ultra Clean Holdings, Inc. | CIK | [1275014](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001275014) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 3674 — Semiconductors & Related Devices | | Incorporated in | DE | | Business address | CA | | Listed | UCTT (Nasdaq) | | First annual or quarterly report | 2004-05-10 | ## Offerings 8 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-278195 | Shelf Effective | 2024-03-25 | 2026-08-14 | 2 | | 333-255039 | Shelf Effective | 2021-04-05 | 2021-04-09 | 3 | | 333-222436 | Shelf Effective | 2018-01-05 | 2018-01-31 | 3 | | 333-202211 | Shelf Effective | 2015-02-20 | 2016-03-02 | 3 | | 333-184941 | Registered company Effective | 2012-11-14 | 2014-09-02 | 5 | | 333-172262 | Shelf Withdrawn | 2011-02-14 | 2012-08-22 | 2 | | 333-131613 | Registered company Dormant | 2006-02-07 | 2006-02-28 | 2 | | 333-111904 | IPO Final prospectus | 2004-01-14 | 2004-03-25 | 6 | ## Filings 26 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-08-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1275014/000095010326012378/0000950103-26-012378-index.htm) Shelf takedown | 333-278195 | 0000950103-26-012378 | | 2024-03-25 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1275014/000095010324004202/0000950103-24-004202-index.htm) Shelf registered | 333-278195 | 0000950103-24-004202 | | 2021-04-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1275014/000119312521111626/0001193125-21-111626-index.htm) Shelf takedown | 333-255039 | 0001193125-21-111626 | | 2021-04-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1275014/000119312521106419/0001193125-21-106419-index.htm) Shelf takedown | 333-255039 | 0001193125-21-106419 | | 2021-04-05 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1275014/000119312521106367/0001193125-21-106367-index.htm) Shelf registered | 333-255039 | 0001193125-21-106367 | | 2018-01-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1275014/000119312518027448/0001193125-18-027448-index.htm) Shelf takedown | 333-222436 | 0001193125-18-027448 | | 2018-01-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1275014/000119312518023615/0001193125-18-023615-index.htm) Shelf takedown | 333-222436 | 0001193125-18-023615 | | 2018-01-05 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1275014/000119312518004468/0001193125-18-004468-index.htm) Shelf registered | 333-222436 | 0001193125-18-004468 | | 2016-03-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1275014/999999999516003872/9999999995-16-003872-index.htm) Declared effective | 333-202211 | 9999999995-16-003872 | | 2015-03-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1275014/999999999515000532/9999999995-15-000532-index.htm) Declared effective | 333-202211 | 9999999995-15-000532 | | 2015-02-20 | [S-3](https://www.sec.gov/Archives/edgar/data/1275014/000119312515056348/0001193125-15-056348-index.htm) Shelf registered | 333-202211 | 0001193125-15-056348 | | 2014-09-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1275014/999999999514002645/9999999995-14-002645-index.htm) Declared effective | 333-184941 | 9999999995-14-002645 | | 2013-06-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1275014/999999999513001883/9999999995-13-001883-index.htm) Declared effective | 333-184941 | 9999999995-13-001883 | | 2013-05-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1275014/000119312513214430/0001193125-13-214430-index.htm) Amendment | 333-184941 | 0001193125-13-214430 | | 2013-04-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1275014/000119312513138692/0001193125-13-138692-index.htm) Amendment | 333-184941 | 0001193125-13-138692 | | 2012-11-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1275014/000119312512469587/0001193125-12-469587-index.htm) Registration filed | 333-184941 | 0001193125-12-469587 | | 2012-08-22 | [RW](https://www.sec.gov/Archives/edgar/data/1275014/000119312512363873/0001193125-12-363873-index.htm) Withdrawn | 333-172262 | 0001193125-12-363873 | | 2011-02-14 | [S-3](https://www.sec.gov/Archives/edgar/data/1275014/000095010311000608/0000950103-11-000608-index.htm) Shelf registered | 333-172262 | 0000950103-11-000608 | | 2006-02-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1275014/000095013406003891/0000950134-06-003891-index.htm) Amendment | 333-131613 | 0000950134-06-003891 | | 2006-02-07 | [S-1](https://www.sec.gov/Archives/edgar/data/1275014/000089161806000058/0000891618-06-000058-index.htm) Registration filed | 333-131613 | 0000891618-06-000058 | | 2004-03-25 | [424B1](https://www.sec.gov/Archives/edgar/data/1275014/000089161804000802/0000891618-04-000802-index.htm) Final prospectus | 333-111904 | 0000891618-04-000802 | | 2004-03-24 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1275014/000095013404003970/0000950134-04-003970-index.htm) Amendment | 333-111904 | 0000950134-04-003970 | | 2004-03-08 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1275014/000095013404003026/0000950134-04-003026-index.htm) Amendment | 333-111904 | 0000950134-04-003026 | | 2004-03-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1275014/000089161804000663/0000891618-04-000663-index.htm) Amendment | 333-111904 | 0000891618-04-000663 | | 2004-02-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1275014/000089161804000602/0000891618-04-000602-index.htm) Amendment | 333-111904 | 0000891618-04-000602 | | 2004-01-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1275014/000089161804000103/0000891618-04-000103-index.htm) Registration filed | 333-111904 | 0000891618-04-000103 | [All filings of this company](https://equitycapital.markets/filings?cik=1275014) · [CSV](https://equitycapital.markets/filings.csv?cik=1275014) --- Source page: https://equitycapital.markets/company/1275014 · Data: U.S. SEC EDGAR · CC BY 4.0