Were Clarence L. Granger’s Ultra Clean (UCTT) share sales under a Rule 10b5-1 plan?

Yes. The Form 4 footnotes state the sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Clarence L. Granger on November 7, 2025. Such plans pre-schedule trades, making the timing less discretionary for the insider.

Ultra Clean (UCTT) director sells 30,000 shares under 10b5-1 plan

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Ultra Clean Holdings, Inc. director Clarence L. Granger reported open-market sales of a total of 30,000 shares of Common Stock on May 1, 2026.

The shares were sold in four tranches of 2,475, 3,700, 11,302 and 12,523 shares at weighted average prices of $77.34, $76.44, $75.46 and $74.41 per share, respectively, under a pre-arranged Rule 10b5-1 trading plan adopted on November 7, 2025. Following these transactions, he holds 99,294 shares directly and 1,000 shares indirectly through a trust.

Insider Trade Summary 10b5-1

Net Seller: 30,000 shares ($2,258,930)

Net Sell 5 txns

Insider GRANGER CLARENCE L

Role null

Sold 30,000 shs ($2.26M)

Type	Security	Shares	Price	Value
Sale	Common Stock	12,523	$74.41	$932K
Sale	Common Stock	11,302	$75.46	$853K
Sale	Common Stock	3,700	$76.44	$283K
Sale	Common Stock	2,475	$77.34	$191K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 99,294 shares (Direct, null); Common Stock — 1,000 shares (Indirect, by Trust)

Footnotes (1)

The sale reported was effected by the reporting person pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on November 7, 2025. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $73.9500 to $74.9300. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $75.0000 to $75.9300. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) to this Form 4. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $76.1000 to $77.0000. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) to this Form 4. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $77.1400 to $77.6400. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (5) to this Form 4.

Key Figures

Total shares sold: 30,000 shares Tranche 1 sale: 2,475 shares at $77.34 Tranche 2 sale: 3,700 shares at $76.44 +5 more

8 metrics

Total shares sold 30,000 shares Open-market sales on May 1, 2026

Tranche 1 sale 2,475 shares at $77.34 Common Stock, open-market sale

Tranche 2 sale 3,700 shares at $76.44 Common Stock, open-market sale

Tranche 3 sale 11,302 shares at $75.46 Common Stock, open-market sale

Tranche 4 sale 12,523 shares at $74.41 Common Stock, open-market sale

Direct holdings after sales 99,294 shares Common Stock held directly after transactions

Indirect trust holdings 1,000 shares Common Stock held indirectly by trust

Rule 10b5-1 plan adoption date November 7, 2025 Plan governing the reported sales

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, Common Stock, indirect ownership

4 terms

Rule 10b5-1 trading plan regulatory

"The sale reported was effected by the reporting person pursuant to the Rule 10b5-1 trading plan adopted..."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average sale price financial

"This is the weighted average sale price. Shares were sold in multiple transactions at prices from..."

Common Stock financial

"security_title: Common Stock, transaction_type: non-derivative, open-market sale"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

indirect ownership financial

"total_shares_following_transaction: 1000.0000, ownership_type: indirect, nature_of_ownership: by Trust"

Form 4 Insider Transactions: What Each Field Means →

05/05/2026 - 07:23 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^*

GRANGER CLARENCE L

(Last)

(First)

(Middle)

ULTRA CLEAN HOLDINGS, INC.

26462 CORPORATE AVENUE

(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)
05/01/2026

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	05/01/2026		S		12,523⁽¹⁾	D	$74.41⁽²⁾	99,294	D
Common Stock	05/01/2026		S		11,302⁽¹⁾	D	$75.46⁽³⁾	87,992	D
Common Stock	05/01/2026		S		3,700⁽¹⁾	D	$76.44⁽⁴⁾	84,292	D
Common Stock	05/01/2026		S		2,475⁽¹⁾	D	$77.34⁽⁵⁾	81,817	D
Common Stock								1,000	I	by Trust

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. The sale reported was effected by the reporting person pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on November 7, 2025.

2. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $73.9500 to $74.9300. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.

3. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $75.0000 to $75.9300. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) to this Form 4.

4. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $76.1000 to $77.0000. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) to this Form 4.

5. This is the weighted average sale price. Shares were sold in multiple transactions at prices from $77.1400 to $77.6400. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (5) to this Form 4.

	/s/ Paul Y. Cho, as attorney-in-fact for Clarence L. Granger	05/05/2026
	** 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 activity did Ultra Clean (UCTT) report for Clarence L. Granger?

Clarence L. Granger, a director of Ultra Clean, reported selling 30,000 shares of Common Stock on May 1, 2026. The sales occurred in four open-market transactions at specified weighted average prices under a pre-arranged Rule 10b5-1 trading plan.

How many Ultra Clean (UCTT) shares did Clarence L. Granger sell and at what prices?

He sold a total of 30,000 shares in four tranches: 2,475, 3,700, 11,302 and 12,523 shares. The weighted average prices were $77.34, $76.44, $75.46 and $74.41 per share, with each line representing multiple trades within disclosed price ranges.

Does Clarence L. Granger still hold Ultra Clean (UCTT) shares after these sales?

Yes. After the reported transactions, Clarence L. Granger holds 99,294 Ultra Clean Common Stock shares directly. He also holds an additional 1,000 shares indirectly through a trust, as shown in the Form 4 holding entry dated May 1, 2026.

What price ranges applied to Ultra Clean (UCTT) shares sold by Clarence L. Granger?

Footnotes state the weighted average prices reflect multiple trades within ranges. These ranged from $73.95 to $74.93, $75.00 to $75.93, $76.10 to $77.00, and $77.14 to $77.64, with detailed trade counts available on request to the company or regulators.

How is indirect ownership reported for Ultra Clean (UCTT) shares on this Form 4?

The Form 4 shows 1,000 shares of Ultra Clean Common Stock held indirectly "by Trust" as of May 1, 2026. This indicates the shares are owned through a trust rather than directly, and are classified as indirect beneficial ownership on the form.