UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 29, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Delaware 61-1430858 (State or other jurisdiction of incorporation or organization) 26462 Corporate Avenue Hayward, California 94545 (Address of principal executive offices) (Zip Code) (IRS Emplo ...

Ultra Clean Holdings, Inc. (NASDAQ:UCTT) Q4 2023 Earnings Conference Call February 21, 2024 4:45 PM ET Company Participants Rhonda Bennetto - SVP IR Jim Scholhamer - CEO Sheri Savage - CF Conference Call Participants Krish Sankar - TD Cowen Christian Schwab - Craig-Hallum Capital Group Operator Good day, ladies and gentlemen, and welcome to the Ultra Clean Technology Q4 and Full Year 2023 Earnings Call and Webcast Conference. [Operator Instructions] This call is being recorded on Wednesday, February 21, 202 ...

HAYWARD, Calif., Jan. 29, 2024 /PRNewswire/ -- Ultra Clean Holdings, Inc. (Nasdaq: UCTT), will announce its fourth quarter and full year 2023 financial results after market close on Wednesday, February 21, 2024, and will host a conference call and webcast beginning at 1:45 pm Pacific Time (4:45 pm Eastern Time) the same day. The conference call can be accessed by dialing 1-800-836-8184 or 1-646-357-8785. No passcode is required. A replay of the call will be available by dialing 1-888-660-6345 or 1-646-517-4 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 29, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 000-50646 Ultra Clean Holdings, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of inco ...

Ultra Clean Holdings, Inc. (NASDAQ:UCTT) Q3 2023 Earnings Conference Call October 25, 2023 4:45 PM ET Company Participants Rhonda Bennetto - SVP IR Jim Scholhamer - CEO Sheri Savage - CFO Conference Call Participants Robert Mertens - TD Cowen Operator Good day, and welcome to the Ultra Clean Q3 2023 Earnings Call and Webcast. All participants will be in listen-only mode. [Operator instructions] Please note, this event is being recorded. I would now like to turn the conference over to Rhonda Bennetto, Invest ...

| --- | --- | --- | |-------|-------|----------| | | | | | | | Investor | 2 This presentation contains, or may be deemed to contain, "forward-looking statements" (as defined in the US Private Securities Litigation Reform Act of 1995) which reflect our current views with respect to future events and financial performance. We use words such as "anticipates," "projection," "outlook," "forecast," "believes," "plan," "expect," "future," "intends," "may," "will," "estimates," "see," "predicts," "should" and simil ...

(Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 000-50646 Ultra Clean Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 61-1430858 (State or other juris ...

Ultra Clean Holdings, Inc. (UCTT) Q2 2023 Earnings Conference Call July 27, 2023 4:45 PM ET Company Participants Rhonda Bennetto - SVP IR Jim Scholhamer - CEO Sheri Savage - CFO Conference Call Participants Krish Sankar - TD Cowen Quinn Bolton - Needham & Company Christian Schwab - Craig-Hallum Capital Group Operator Good day, and welcome to the Ultra Clean Technology Q2 2023 Earnings Call and Webcast. [Operator instructions] Please note, this event is being recorded. I would now like to turn the conference ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (State or other jurisdiction of incorporation or organization) 26462 Corporate Avenue, Hayward, California 94545 (Address of principal executive offices) (Zip Code) Commission file number 000-50646 Ultra Clean Holdings, Inc. (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF ...

Ultra Clean Holdings, Inc. (NASDAQ:UCTT) Q1 2023 Earnings Conference Call April 26, 2023 4:45 PM ET Company Participants Jim Scholhamer - CEO Sheri Savage - CFO Rhonda Bennetto - SVP IR Conference Call Participants Trevor Janoskie - Needham Christian Schwab - Craig-Hallum Capital Group Robert Mertens - Cowen Operator Good day, and welcome to the Ultra Clean First Quarter 2023 Earnings Call and Webcast. All participants will be in listen-only mode. [Operator Instructions]. After today's presentation, there w ...