Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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

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1. Name and Address of Reporting Person * Savage Sheri 2. Issuer Name and Ticker or Trading Symbol Ultra Clean Holdings, Inc. [UCTT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CFO (Last) (First) (Middle) ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVE 3. Date of Earliest Transaction (Month/Day/Year) 06/04/2026 (Street) HAYWARD, CA 94545 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 06/04/2026 S 600 D $87.37(1) 80,297 D Common Stock 06/04/2026 S 1,070 D $88.69(2) 79,227 D Common Stock 06/04/2026 S 688 D $89.78(3) 78,539 D Common Stock 06/04/2026 S 972 D $90.89(4) 77,567 D Common Stock 06/04/2026 S 172 D $91.7(5) 77,395 D Common Stock 06/04/2026 S 40 D $86 77,355 D Common Stock 06/04/2026 S 120 D $87.43(6) 77,235 D Common Stock 06/04/2026 S 360 D $88.85(7) 76,875 D Common Stock 06/04/2026 S 150 D $89.91(8) 76,725 D Common Stock 06/04/2026 S 301 D $90.98(9) 76,424 D Common Stock 06/04/2026 S 20 D $91.78(10) 76,404 D Common Stock 06/04/2026 S 40 D $86.04 76,364 D Common Stock 06/04/2026 S 120 D $87.52(11) 76,244 D Common Stock 06/04/2026 S 321 D $88.8(12) 75,923 D Common Stock 06/04/2026 S 157 D $89.59(13) 75,766 D Common Stock 06/04/2026 S 260 D $90.76(14) 75,506 D Common Stock 06/04/2026 S 91 D $91.63(15) 75,415 D Common Stock 06/04/2026 S 96 D $85.54 75,319 D Common Stock 06/04/2026 S 392 D $87.72(16) 74,927 D Common Stock 06/04/2026 S 907 D $88.75(17) 74,020 D Common Stock 06/04/2026 S 446 D $89.73(18) 73,574 D Common Stock 06/04/2026 S 763 D $90.86(19) 72,811 D Common Stock 06/04/2026 S 171 D $91.68(20) 72,640 D Common Stock 06/04/2026 S 488 D $87.07(21) 72,152 D Common Stock 06/04/2026 S 1,429 D $88.16(22) 70,723 D Common Stock 06/04/2026 S 1,429 D $89.1(23) 69,294 D Common Stock 06/04/2026 S 852 D $89.95(24) 68,442 D Common Stock 06/04/2026 S 1,706 D $90.99(25) 66,736 D Common Stock 06/04/2026 S 260 D $91.75(26) 66,476 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	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 control number.		SEC 1474 (9-02)

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 Underlying Securities (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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Savage Sheri ULTRA CLEAN HOLDINGS, INC. 26462 CORPORATE AVE HAYWARD, CA 94545			CFO

Signatures

/s/ Paul Y. Cho, as attorney-in-fact for Sheri Savage		06/09/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $86.6975 to $87.6400. 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 this footnote (1).
(2)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3400 to $89.2125. 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 this footnote (2).
(3)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.3600 to $90.2100. 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 this footnote (3).
(4)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.5700 to $91.5500. 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 this footnote (4).
(5)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.6150 to $91.8200. 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 this footnote (5).
(6)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.1900 to $87.7750. 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 this footnote (6).
(7)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3650 to $89.3000. 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 this footnote (7).
(8)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.4300 to $90.2150. 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 this footnote (8).
(9)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.6950 to $91.6450. 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 this footnote (9).
(10)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.7500 to $91.9100. 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 this footnote (10).
(11)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.2950 to $87.8200. 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 this footnote (11).
(12)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3700 to $89.1800. 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 this footnote (12).
(13)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.3650 to $89.8450. 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 this footnote (13).
(14)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.4400 to $91.1100. 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 this footnote (14).
(15)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.4400 to $91.8200. 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 this footnote (15).
(16)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.2950 to $87.9550. 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 this footnote (16).
(17)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3550 to $89.1950. 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 this footnote (17).
(18)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.3650 to $89.9950. 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 this footnote (18).
(19)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.5600 to $91.5350. 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 this footnote (19).
(20)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.6100 to $91.9200. 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 this footnote (20).
(21)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $86.5900 to $87.4800. 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 this footnote (21).
(22)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.6350 to $88.5050. 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 this footnote (22).
(23)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.6550 to $89.6050. 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 this footnote (23).
(24)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.6550 to $90.2150. 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 this footnote (24).
(25)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.6600 to $91.6300. 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 this footnote (25).
(26)	This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.6600 to $91.8400. 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 this footnote (26).

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