UCTT SEC Filings: 8-K, 10-Q, S-3 & 424B – Ultra Clean

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 28, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 4, 2026

10-Q/A

Form 10-Q/A - Quarterly report [Sections 13 or 15(d)]: [Amend]

May 1, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Apr 29, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 23, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 29, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Ultra Clean Reports Third Quarter 2026 Financial Results and Fourth Quarter Outlook

Oct 27, 2026

8-K

Ultra Clean Appoints Alexander Davern to Board of Directors

Sep 30, 2026

8-K

Ultra Clean Holdings, Inc. Establishes $400 Million "At-the-Market" Equity Offering Program

Aug 14, 2026

8-K

Ultra Clean Holdings, Inc. Announces CFO Transition and Agreement with Sheri Savage

Aug 6, 2026

8-K

Ultra Clean Holdings, Inc. Reports Second Quarter 2026 Financial Results

Aug 3, 2026

8-K

Ultra Clean Holdings, Inc. Appoints Michael Keogh as Chief Financial Officer

Jul 8, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B5

[No Baby Shelf]* August 2026 ATM | Offering amount: $400,000,000 | Bank: UBS Securities LLC, Barclays Capital Inc., Craig-Hallum Capital Group LLC, Oppenheimer & Co. Inc.

Aug 14, 2026

424B5

3,181,818 Shares-

Apr 9, 2021

424B5

Gain on Disposition of Our Common Stock-

Apr 5, 2021

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

Jan 31, 2018

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

Jan 29, 2018

424B3

Form 424B3 - Prospectus [Rule 424(b)(3)]

Mar 5, 2015

Registrations

TYPE

HEADLINE

FILED AT

S-8

Ultra Clean Holdings, Inc. Amended and Restated Stock Incentive Plan

Jul 10, 2026

S-3ASR

SHELF

Mar 22, 2024

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Mar 20, 2024

S-3ASR

Common Stock-

Apr 5, 2021

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Dec 18, 2019

S-3ASR

Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers

Jan 5, 2018

Proxies

TYPE

HEADLINE

FILED AT

DEF 14A