Ultra Clean (UCTT) director Joanne Solomon receives 2,575-share stock grant

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Solomon Joanne reported acquisition or exercise transactions in this Form 4 filing.

Ultra Clean Holdings, Inc. director Joanne Solomon reported receiving a grant of 2,575 shares of common stock as a stock-based award. The award was recorded at a price of $0.00 per share, reflecting compensation rather than a market purchase. Following this grant, Solomon directly holds 12,083 common shares. According to the footnote, these restricted stock units vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date, tying the award to her continued board service over roughly a one-year period.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Solomon Joanne

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,575	$0.00	--

Holdings After Transaction: Common Stock — 12,083 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares granted: 2,575 shares Grant price per share: $0.00 per share Shares held after grant: 12,083 shares +1 more

4 metrics

Shares granted 2,575 shares Common stock award to director on 2026-05-22

Grant price per share $0.00 per share Equity compensation, not an open-market purchase

Shares held after grant 12,083 shares Director Joanne Solomon direct holdings post-transaction

Vesting trigger Earlier of next meeting or 1 year RSUs vest 100% before next annual stockholder meeting or one year from grant

Key Terms

Restricted stock units, annual stockholder meeting, Grant, award, or other acquisition, Form 4

4 terms

Restricted stock units financial

"Restricted stock units vest 100% the earlier of the day before the next annual stockholder meeting or 1 year from the date of grant."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

annual stockholder meeting financial

"vest 100% the earlier of the day before the next annual stockholder meeting or 1 year from the date of grant."

An annual stockholder meeting is a yearly gathering where a company's owners (shareholders) receive updates on performance, vote on key issues like board members, executive pay and major corporate plans, and ask questions of management. Think of it as a company town hall where choices about oversight and direction are decided; outcomes can affect management accountability, corporate strategy and ultimately the value and risks of investors’ shares.

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

05/27/2026 - 09:49 PM

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Solomon Joanne

(Last)

(First)

(Middle)

ULTRA CLEAN HOLDINGS, INC.

26462 CORPORATE AVE

(Street)

HAYWARD

CALIFORNIA

94545

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock⁽¹⁾	05/22/2026		A		2,575	A	$0	12,083	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Restricted stock units vest 100% the earlier of the day before the next annual stockholder meeting or 1 year from the date of grant.

	/s/ Paul Y. Cho, as attorney-in-fact for Joanne Solomon	05/27/2026
	** 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 4 (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 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Ultra Clean Holdings (UCTT) report for Joanne Solomon?

Ultra Clean director Joanne Solomon received a grant of 2,575 shares of common stock as a stock-based award. The shares were granted at $0.00 per share as compensation, increasing her direct holdings to 12,083 shares after the transaction.

Is the Joanne Solomon Form 4 transaction in UCTT a market buy or a compensation grant?

The Form 4 shows a compensation grant, not a market purchase. Transaction code A indicates a grant or award, and the 2,575 shares were issued at $0.00 per share as part of her director compensation package, rather than bought in the open market.

How many Ultra Clean (UCTT) shares does Joanne Solomon hold after this Form 4 grant?

After receiving the 2,575-share grant, Joanne Solomon directly holds 12,083 shares of Ultra Clean common stock. This figure represents her position immediately following the reported transaction, providing context for the scale of the compensation award relative to her overall holdings.

What are the vesting terms of Joanne Solomon’s restricted stock units at Ultra Clean?

The restricted stock units vest 100% on the earlier of the day before Ultra Clean’s next annual stockholder meeting or one year from the grant date. This schedule links the value of the award to roughly one year of continued service on the company’s board.

What does transaction code A mean in the Ultra Clean (UCTT) Form 4 for Joanne Solomon?

Transaction code A in this Form 4 indicates a grant, award, or other acquisition of shares, not a market trade. For Joanne Solomon, it reflects 2,575 shares of common stock awarded as compensation, recorded at a transaction price of $0.00 per share.