Ownership Submission
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, 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 *
  Phair Thomas J.
 2. Date of Event Requiring Statement (Month/Day/Year)
01/22/2009		 3. Issuer Name and Ticker or Trading Symbol
Altus Pharmaceuticals Inc. [ALTU]
(Last)
(First)
(Middle)
C/O ALTUS PHARMACEUTICALS INC., 333 WYMAN STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. Dir, Finance & Controller
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WALTHAM, MA 02451		 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 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)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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
Common Stock Option (right to buy)   (1) 07/26/2016 Common Stock 25,000 $ 13.27 D  
Common Stock Option (right to buy)   (2) 03/02/2017 Common Stock 3,198 $ 14.24 D  
Common Stock Option (right to buy)   (3) 02/25/2018 Common Stock 7,000 $ 5.72 D  
Common Stock Option (right to buy)   (4) 04/08/2018 Common Stock 10,000 $ 5.34 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Phair Thomas J.
C/O ALTUS PHARMACEUTICALS INC.
333 WYMAN STREET
WALTHAM, MA 02451		       Sr. Dir, Finance & Controller  

Signatures

/s/ Kevin Brennan 01/29/2009
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) All of such options have a term of ten years vesting over four years, with 1/16th of the options vesting every three months. All of such options become exercisable as they vest. Vesting for these options started on July 26, 2006.
(2) All of such options have a term of ten years vesting over four years, with 1/16th of the options vesting every three months. All of such options become exercisable as they vest. Vesting for these options started on March 2, 2007.
(3) All of such options have a term of ten years vesting over four years, with 1/16th of the options vesting every three months. All of such options become exercisable as they vest. Vesting for these options started on February 25, 2008.
(4) These options are performance based options that vest upon successful completion of specific milestones.

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