SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* AISLING CAPITAL III LP (Last) (First) (Middle) 888 SEVENTH AVENUE, 30TH FL (Street) NEW YORK NY 10106 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Durata Therapeutics, Inc. [ DRTX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 07/24/2012
	4. 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 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	07/24/2012		C		2,019,713	A	$0	2,019,713(1)	I	By Aisling Capital III, LP(2)
Common Stock	07/24/2012		P		1,111,111	A	$9	3,130,824(3)	I	By Aisling Capital III, LP(2)

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 Securities Underlying Derivative Security (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: 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
Series A Preferred Stock	$0	07/24/2012		C			16,157,707	(4)	(4)	Common Stock	2,019,713	$0	0	I	By Aisling Capital III, LP(5)

1. Name and Address of Reporting Person* AISLING CAPITAL III LP (Last) (First) (Middle) 888 SEVENTH AVENUE, 30TH FL (Street) NEW YORK NY 10106 (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* Aisling Capital Partners III LLC (Last) (First) (Middle) 888 SEVENTH AVENUE, 30TH FL (Street) NEW YORK NY 10106 (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* Aisling Capital Partners III LP (Last) (First) (Middle) 888 SEVENTH AVENUE, 30TH FL (Street) NEW YORK NY 10106 (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* SCHIFF ANDREW N (Last) (First) (Middle) 888 SEVENTH AVENUE, 30TH FL (Street) NEW YORK NY 10106 (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* Purcell Dennis J (Last) (First) (Middle) 888 SEVENTH AVENUE, 30TH FL (Street) NEW YORK NY 10106 (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* ELMS STEVE (Last) (First) (Middle) 888 SEVENTH AVENUE, 30TH FL (Street) NEW YORK NY 10106 (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. On July 24, 2012, Aisling Capital III, LP ("Aisling") acquired 2,019,713 shares of common stock issued upon the conversion of 16,157,707 shares of Series A Preferred Stock at the closing of Durata Therapeutics, Inc.'s initial public offering of common stock ("IPO") for no additional cost.

2. These shares of common stock are owned directly by Aisling, and held indirectly by Aisling Capital Partners III, LP ("Aisling GP") , as general partner of Aisling, Aisling Capital Partners III LLC ("Aisling Partners"), as general partner of Aisling GP, and each of the individual managing members of Aisling partners. The individual managing members (collectively, the "Managers") of Aisling Partners are Dennis Purcell, Dr. Andrew Schiff and Steve Elms. Aisling GP, Aisling Partners and the Managers share voting and dispositive power over the shares directly held by Aisling.

3. On July 24, 2012, Aisling acquired 1,111,111 shares of common stock in the IPO.

4. Series A preferred stock was convertible into common stock at the option of the holder or upon the completion of the IPO and had no expiration date.

5. Series A preferred stock was owned directly by Aisling, and held indirectly by Aisling GP, as general partner of Aisling, Aisling Partners, as general partner of Aisling GP, and each of the Managers. After the conversion of Series A preferred stock reported hereby, Aisling, Aisling GP, Aisling Partners and each of the Managers no longer hold any shares of Series A preferred stock.

	/s/ Lloyd Appel, Aisling Capital III, LP	07/25/2012
	/s/ Lloyd Appel, Aisling Capital Partners III LLC	07/25/2012
	/s/ Lloyd Appel, Aisling Capital Partners III, LP	07/25/2012
	/s/ Andrew N. Schiff	07/25/2012
	/s/ Dennis J. Purcell	07/25/2012
	/s/ Steve Elms	07/25/2012
	** Signature of Reporting Person	Date
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