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 *
  Keegan Mitchell
 2. Date of Event Requiring Statement (Month/Day/Year)
09/02/2009		 3. Issuer Name and Ticker or Trading Symbol
CURIS INC [CRIS]
(Last)
(First)
(Middle)
45 MOULTON STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice-President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CAMBRIDGE, MA 02138		 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
Qualified stock option (right to buy)   (1) 05/16/2018 Common Stock 150,000 $ 1.35 D  
Qualified stock option (right to buy)   (2) 10/24/2018 Common Stock 18,750 $ 0.79 D  
Qualified stock option (right to buy)   (3) 02/05/2019 Common Stock 27,500 $ 1.07 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Keegan Mitchell
45 MOULTON STREET
CAMBRIDGE, MA 02138		       Vice-President  

Signatures

Michael P. Gray, attorney-in-fact 09/04/2009
**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) Options vest over a period of four years with 25% of the stock options vesting the first anniversary of the grant date, or May 16, 2009, and ad additional 6.25% of the shares during each successive three-month period therafter until the option is fully vested on the fourth anniversary of the grant date, or May 16, 2012, subject to continued employment. All stock options will expire 10 years from date of grant and the grand date for each option is 10 years prior to the expiration date. 103,125 of these options remain unvested as of September 2, 2009.
(2) Common stock subject to stock option award shall become exercisable on April 24, 2014 or upon the consummation of a collaboration, licensing or other similar agreement regarding the Targeted Cancer Drug Development Platform that includes an up-front cash payment of at least $10 million. For clarity, the cash payment shall be attributable to a nonrefundable license fee or other similar payment and shall not include an equity investment in Curis and any vesting is subject to continued service with the Curis.
(3) Options vest over a period of four years with 25% of the stock options vesting the first anniversary of the grant date, or February 5, 2010, and ad additional 6.25% of the shares during each successive three-month period therafter until the option is fully vested on the fourth anniversary of the grant date, or February 5, 2013, subject to continued employment. All stock options will expire 10 years from date of grant and the grand date for each option is 10 years prior to the expiration date. All of these options remain unvested as of September 2, 2009.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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