Paul Y. Cho sells 2,000 UCTT shares

Paul Y. Cho reported a sale of 2,000 shares of Common Stock on 05/08/2026.

Rhea-AI Filing Summary

Paul Y. Cho reported a sale of 2,000 shares of Common Stock on 05/08/2026. The reported gross proceeds were $173,780.20. The filing also lists 944 restricted shares associated with an 04/30/2026 issuance by Morgan Stanley Smith Barney LLC as broker/dealer information.

Insights

Corporate Registrar / Equity Transactions Analyst

Form 144 discloses a small open‑market disposition by an insider.

The filing lists a 2,000‑share sale on 05/08/2026 with gross proceeds of $173,780.20. This appears as a routine disposition reported under Regulation 144; the transaction size is modest relative to typical free‑float benchmarks.

Timing and the sale method beyond the dates are not detailed; subsequent filings would show any related Form 4 or Schedule 13D changes.

Compliance / Securities Counsel

Required disclosure shows broker and restricted‑stock context; no allegation or irregularity is indicated.

The excerpt names Morgan Stanley Smith Barney LLC as broker/dealer and records 944 restricted shares dated 04/30/2026. The entry appears to document securities subject to transfer restrictions alongside the reported sale.

Cash‑flow treatment and beneficial ownership after the sale are not stated in the excerpt; further filings may clarify ownership changes.

Key Figures

Shares sold: 2,000 shares Gross proceeds: $173,780.20 Restricted shares listed: 944 shares +1 more

4 metrics

Shares sold 2,000 shares sale date <date>05/08/2026</date>

Gross proceeds $173,780.20 proceeds from the 2,000‑share sale on <date>05/08/2026</date>

Restricted shares listed 944 shares Restricted Stock dated <date>04/30/2026</date>

Broker/Dealer Morgan Stanley Smith Barney LLC listed in Securities Information section

Key Terms

Form 144, Restricted Stock, broker/dealer

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock financial

"Common | 04/30/2026 | Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

broker/dealer regulatory

"Morgan Stanley Smith Barney LLC Executive Financial Services"

A broker/dealer is a firm or person that both carries out trades for clients (broker) and buys or sells securities from its own inventory (dealer). Think of it as a shop that can take customer orders and also sell items off its own shelves. Investors care because broker/dealers connect buyers and sellers, influence the price and speed of trades, hold securities or cash for short periods, and can create conflicts of interest that affect trade cost and reliability.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Paul Y. Cho report in the Form 144 for UCTT?

The filing reports a sale of 2,000 common shares by Paul Y. Cho on 05/08/2026, with gross proceeds of $173,780.20. The filing also lists 944 restricted shares dated 04/30/2026 associated with broker information.

How much were the proceeds reported on the Form 144 for UCTT?

The Form 144 lists gross proceeds of $173,780.20 tied to the reported 2,000‑share sale on 05/08/2026. The excerpt does not break down commissions or net proceeds.

Does the filing show restricted shares or an issuer restriction for UCTT?

Yes, the excerpt lists 944 Restricted Stock with an issuance date of 04/30/2026 and identifies Morgan Stanley Smith Barney LLC in the securities section. The entry appears as broker/dealer and restriction context.

Who is the broker or dealer named in the Form 144 excerpt for UCTT?

The excerpt names Morgan Stanley Smith Barney LLC with address details (1 New York Plaza, 8th Floor) as the broker/dealer in the securities information section. The filing ties broker information to the securities rows.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/02/2026 - 05:56 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001791106
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ULTRA CLEAN HOLDINGS, INC.
SEC File Number	000-50646
Address of Issuer	26462 Corporate Avenue Hayward CALIFORNIA 94545
Phone	(510) 576-4400
Name of Person for Whose Account the Securities are To Be Sold	PAUL Y CHO
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	944	84365.28	44828352	06/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	04/30/2026	Restricted Stock	Issuer			944	04/30/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
PAUL Y CHO 26462 Corporate Avenue Hayward CA 94545	Common	05/08/2026	2000	173780.20

144: Remarks and Signature

Remarks
Date of Notice	06/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Paul Yoonku Cho
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)