Ultra Clean CFO reports no owned company stock

Ultra Clean Holdings’ chief financial officer filed an initial ownership report stating he currently holds no beneficial ownership in UCTT securities.

Rhea-AI Filing Summary

Ultra Clean Holdings, Inc. (UCTT) reported an initial statement of beneficial ownership for Michael Dennis Keogh, who serves as Chief Financial Officer. The filing states that no securities of Ultra Clean Holdings, Inc. are currently beneficially owned by this reporting person.

Key Figures

Beneficially owned securities: 0 securities

1 metrics

Beneficially owned securities 0 securities Reported by the Chief Financial Officer on the initial statement of beneficial ownership

Key Terms

beneficially owned, Power of Attorney, initial statement of beneficial ownership

3 terms

beneficially owned financial

"No securities are beneficially owned."

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Power of Attorney regulatory

"Exhibit 24 - Power of Attorney"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

initial statement of beneficial ownership regulatory

"reported an initial statement of beneficial ownership"

An initial statement of beneficial ownership is the first regulatory filing an insider or large investor submits to disclose the amount of a company's stock they control or benefit from. It matters to investors because it reveals who has significant influence over a company—like showing who’s holding the cards—and helps track potential conflicts of interest, insider motives, and future buying or selling that can move the stock price.

FAQ

What does the Form 3 filed for UCTT disclose about Michael Dennis Keogh?

The Form 3 for Ultra Clean Holdings, Inc. (UCTT) discloses that Michael Dennis Keogh, the Chief Financial Officer, has filed his initial statement of beneficial ownership and reports that he currently holds no beneficially owned securities of the company.

Does the UCTT Chief Financial Officer own any company stock according to this Form 3?

According to the filing, the UCTT Chief Financial Officer, Michael Dennis Keogh, reports that he has no securities beneficially owned in Ultra Clean Holdings, Inc. at the time of this initial ownership statement.

Are there any buy or sell transactions reported in this UCTT Form 3?

No. The Form 3 for Ultra Clean Holdings, Inc. (UCTT) reports no transactions. It is an initial statement of beneficial ownership showing zero securities beneficially owned by the Chief Financial Officer.

What additional note is included in the UCTT Form 3 remarks section?

The remarks state that no securities are beneficially owned and reference Exhibit 24 - Power of Attorney, indicating that a power of attorney document is associated with this ownership filing.

Who is the reporting person on this UCTT Form 3 and what is his role?

The reporting person is Michael Dennis Keogh, identified in the filing as an officer of Ultra Clean Holdings, Inc. serving in the role of Chief Financial Officer.

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

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Available on EDGAR 09/04/2026 - 06:21 PM Accepted by SEC EDGAR 09/04/2026 - 06:20 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Keogh Michael Dennis

(Last) (First) (Middle)

ULTRA CLEAN HOLDINGS, INC.

26462 CORPORATE AVE.

(Street)

HAYWARD CALIFORNIA 94545

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/05/2026

3. Issuer Name and Ticker or Trading Symbol
Ultra Clean Holdings, Inc. [ UCTT ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

No securities are beneficially owned. Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Paul Y. Cho, as attorney-in-fact for Michael Dennis Keogh	09/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)