Ultra Clean director sells 8,198 shares after stock grant

Ultra Clean Holdings director Emily M. Liggett reported both a stock award and a share sale.

Rhea-AI Filing Summary

Ultra Clean Holdings director Emily M. Liggett reported both a stock award and a share sale. On May 22, 2026, she acquired 2,575 shares of common stock at $0.00 per share as a grant. The related restricted stock units vest 100% on the earlier of the day before the next annual stockholder meeting or one year from the grant date.

On May 27, 2026, she executed an open-market sale of 8,198 common shares at an average price of $92.18 per share. Following this sale, she directly holds 38,152 common shares, indicating she retains a significant ongoing equity stake in the company.

Insights

Insider trading and governance analyst

Routine director grant plus partial share sale; net reduction but sizable stake remains.

Director Emily M. Liggett received a compensatory grant of 2,575 common shares on May 22, 2026, with restricted stock units vesting fully by the earlier of the next annual meeting or one year from grant. Such awards are standard board compensation.

On May 27, 2026, she sold 8,198 shares at $92.18 per share in an open-market transaction, leaving 38,152 shares directly owned. This is a partial sale rather than an exit, and there is no indication in the excerpt of a trading plan or unusual structure. The mixed pattern (award plus sale) appears consistent with routine portfolio and tax planning.

Insider Trade Summary

Net Seller: 8,198 shares

Net Sell 2 txns

Insider LIGGETT EMILY M

Role Director

Sold 8,198 shs ($756K)

Type	Security	Shares	Price	Value
Sale	Common Stock	8,198	$92.18	$756K
Grant/Award	Common Stock	2,575	$0.00	$0.00

Holdings After Transaction: Common Stock — 38,152 shares (Direct)

Footnotes (1)

1. F1. Restricted stock units vest 100% the earlier of the day before the next annual stockholder meeting or 1 year from the date of grant.

Key Figures

Shares sold: 8,198 shares Sale price: $92.18 per share Shares granted: 2,575 shares +1 more

4 metrics

Shares sold 8,198 shares Open-market sale of common stock on May 27, 2026

Sale price $92.18 per share Average price for 8,198 shares sold

Shares granted 2,575 shares Stock award on May 22, 2026 at $0.00 per share

Shares held after sale 38,152 shares Direct ownership following May 27, 2026 transaction

Key Terms

open-market sale, restricted stock units, grant, award, or other acquisition, Form 4

4 terms

open-market sale financial

"she executed an open-market sale of 8,198 common shares"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

restricted stock units financial

"Restricted stock units vest 100% the earlier of the day before"

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.

grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

Form 4 regulatory

"disclosed in the 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.

FAQ

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

What insider transactions did UCTT director Emily M. Liggett report?

Emily M. Liggett reported two transactions: a grant of 2,575 Ultra Clean common shares on May 22, 2026, and an open-market sale of 8,198 common shares on May 27, 2026, at an average price of $92.18 per share.

How many Ultra Clean (UCTT) shares did the director sell and at what price?

She sold 8,198 shares of Ultra Clean common stock in an open-market transaction at an average price of $92.18 per share. This sale occurred on May 27, 2026, and was reported as a non-derivative common stock transaction.

What stock award did Ultra Clean (UCTT) grant to director Emily M. Liggett?

On May 22, 2026, Ultra Clean granted Emily M. Liggett 2,575 shares of common stock at $0.00 per share as a stock award. Footnotes explain that the related restricted stock units vest 100% by the earlier of the next annual meeting or one year from grant.

How many Ultra Clean (UCTT) shares does the director own after these transactions?

After the reported sale, Emily M. Liggett directly holds 38,152 shares of Ultra Clean common stock. This figure reflects her position following the May 27, 2026 open-market sale of 8,198 shares disclosed in the Form 4.

How do the restricted stock units for UCTT’s director vest?

The restricted stock units tied to the 2,575-share award vest 100% on the earlier of two dates: the day before Ultra Clean’s next annual stockholder meeting or one year from the grant date, according to the footnote disclosure.

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

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Accepted by SEC EDGAR 05/27/2026 - 09:46 PM EDT Learn about SEC filing dates

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^*

LIGGETT EMILY M

(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)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	05/22/2026		A		2,575	A	$0	46,350	D
Common Stock	05/27/2026		S		8,198	D	$92.18	38,152	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

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 Emily M. Liggett	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)