SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Blue Harbour Group, LP

(Last) (First) (Middle)
646 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
01/18/2008
3. Issuer Name and Ticker or Trading Symbol
DOMINOS PIZZA INC [ DPZ ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of 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
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 6,226,673(1)(2) I(1)(2) See Explanation(1)(2)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
Blue Harbour Group, LP

(Last) (First) (Middle)
646 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Blue Harbour Strategic Value Partners Master Fund, LP

(Last) (First) (Middle)
646 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Blue Harbour Institutional Partners Master Fund, LP

(Last) (First) (Middle)
646 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Blue Harbour GP, LLC

(Last) (First) (Middle)
646 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Blue Harbour Holdings, LLC

(Last) (First) (Middle)
646 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
ROBBINS CLIFTON S

(Last) (First) (Middle)
646 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. Comprised of 5,266,348 shares beneficially owned directly by Blue Harbour Strategic Value Partners Master Fund, LP (the "Fund") and 960,325 shares beneficially owned directly by Blue Harbour Institutional Partners Master Fund, L.P. ("BHIP"). This Form 3 is filed by the Fund, BHIP, Blue Harbour Group, LP ("Manager"), Blue Harbour GP, LLC ("Fund GP"), Blue Harbour Holdings, LLC ("Manager GP") and Clifton S. Robbins. Manager provides investment advisory and investment management services to the Fund and BHIP. Fund GP is the general partner of the Fund and BHIP. Manager GP is the general partner of Manager. Mr. Robbins directly and indirectly through trusts or other entities controlled by Mr. Robbins is the controlling shareholder of Manager GP and Fund GP.
2. (Continued from previous footnote). Pursuant to Rule 16a-1 under the Securities Exchange Act of 1934, as amended (the "Act"), each of the Reporting Persons may be deemed to be the beneficial owner of the securities reported herein to the extent of his or its pecuniary interest therein, but disclaims beneficial ownership in excess of such amount; and pursuant to Rule 16a-1(a)(4) under the Act, this filing shall not be deemed an admission that any of the Reporting Persons is, for purposes of Section 16 of the Act or otherwise, the beneficial owner of any securities reported herein in excess of such amount.
Remarks:
Exhibit 99.1 - Joint Filer Information incorporated herein by reference.
/s/ Clifton S. Robbins, Managing Member, Blue Harbour Holdings, LLC 01/23/2008
** 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 5 (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.