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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * AIT HOLDING CO LLC   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 __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 245 PARK AVENUE, 20TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 07/18/2013 (Street) NEW YORK, NY 10167 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ 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 07/18/2013   S   100,000 D $ 6.276 (1) 4,287,000 D   Common Stock 07/19/2013   S   24,822 D $ 6.228 (2) 4,262,178 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
AIT HOLDING CO LLC 245 PARK AVENUE 20TH FLOOR NEW YORK, NY 10167		X
HLHZ AIT Holdings, L.L.C. 245 PARK AVENUE 20TH FLOOR NEW YORK, NY 10167		X

Signatures

/s/ David Salemi, as Manager of AIT Holding Company, LLC, and as Member of HLHZ AIT Holdings L.L.C		07/22/2013
**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)	Reflects the weighted average purchase price of the shares purchased. The shares were purchased in multiple trades at prices ranging from $6.24 to $6.34 per share. The reporting person will provide to the SEC staff, the issuer or a security holder of the issuer, upon request, full information regarding the number of shares purchased at separate prices within the foregoing range.
(2)	Reflects the weighted average purchase price of the shares purchased. The shares were purchased in multiple trades at prices ranging from $6.20 to $6.285 per share. The reporting person will provide to the SEC staff, the issuer or a security holder of the issuer, upon request, full information regarding the number of shares purchased at separate prices within the foregoing range.

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