1
|
NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
AIT Holding Company LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a)[ ]
(b)[ X ] (1)
|
3
|
SEC USE ONLY
|
|
4
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
|
SOLE VOTING POWER
5
0
|
|
SHARED VOTING POWER
6
1,903,752
|
||
SOLE DISPOSITIVE POWER
7
0
|
||
SHARED DISPOSITIVE POWER
8
1,903,752
|
||
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,903,752 (1)
|
|
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES |
[ ]
|
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.99% (2)
|
|
12
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
HLHZ AIT Holdings, L.L.C.
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) [ ]
(b) [X] (1)
|
3
|
SEC USE ONLY
|
|
4
|
CITIZENSHIP OR PLACE OF ORGANIZATION
California
|
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
|
SOLE VOTING POWER
5
0
|
|
SHARED VOTING POWER
6
1,903,752
|
||
SOLE DISPOSITIVE POWER
7
0
|
||
SHARED DISPOSITIVE POWER
8
1,903,752 (1)
|
||
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,903,752 (1)
|
|
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES
|
[ ]
|
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.99% (2)
|
|
12
|
TYPE OF REPORTING PERSON
OO
|
Item 1.(a)
|
Name of Issuer:
|
||
Ultra Clean Holdings LLC
|
|||
Item 1.(b)
|
Address of Issuer’s Principal Executive Offices:
|
||
26462 Corporate Avenue, Hayward, California 94545
|
|||
Item 2.(a)
|
Name of Person(s) Filing:
|
||
AIT Holding Company LLC
|
|||
HLHZ AIT Holdings, L.L.C. | |||
Item 2.(b) | Address of Principal Business Office or, if None, Residence | ||
AIT Holding Company LLC, 245 Park Avenue, 20th Floor, New York, NY 10167
|
|||
HLHZ AIT Holdings, L.L.C., 245 Park Avenue, 20th Floor, New York, NY 10167 | |||
Item 2.(c) | Citizenship: | ||
AIT Holding Company LLC - Delaware | |||
HLHZ AIT Holdings, L.L.C. - California | |||
Item 2.(d)
|
Title of Class of Securities:
|
||
Common Stock, $0.001 par value
|
|||
Item 2.(e)
|
CUSIP Number:
|
||
90385V107
|
|||
Item 3.
|
Not applicable.
|
||
Item 4.
|
Ownership.
|
||
(a)
|
Amount beneficially owned:
|
||
1,903,752 (1)
|
|||
(b)
|
Percent of class:
|
||
5.99% (2)
|
|||
(c)
|
Number of shares to which such person has:
|
||
(i)
|
Sole power to vote or direct the vote: 0
|
||
(ii)
|
Shared power to vote or direct the vote: 1,903,752 (1)
|
||
(iii)
|
Sole power to dispose or to direct the disposition of: 0
|
||
(iv)
|
Shared power to dispose of or direct the disposition of: 1,903,752 (1)
|
Item 5.
|
Ownership of Five Percent or Less of a Class.
|
||
Not applicable.
|
|||
Item 6.
|
Ownership of More than Five Percent on Behalf of Another Person.
|
||
Not applicable
|
|||
Item 7.
|
Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported By the Parent Holding Company.
|
||
Not applicable
|
Item 8.
|
Identification and Classification of Members of the Group.
|
||
Not applicable
|
|||
Item 9.
|
Notice of Dissolution of a Group.
|
||
Not applicable
|
|||
Item 10.
|
Certification.
|
||
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were
not acquired and are not held for the purpose of or with the effect of changing or influencing the control of
the issuer of the securities and were not acquired and are not held in connection with or as a participant in
any transaction having that purpose or effect.
|
Dated:
|
April 17, 2015
|