Edgar Filing: Soros Robert

Ownership Submission

FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN 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 ^*

SOROS FUND MANAGEMENT LLC

2. Issuer Name and Ticker or Trading Symbol
MAP Pharmaceuticals, Inc. [MAPP]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

888 SEVENTH AVENUE, 31ST FLOOR

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2010

(Street)

NEW YORK, NY 10106

4. If Amendment, Date 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

(City)

(State)

(Zip)

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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/04/2010		S		677	D	$ 14.15 ⁽¹⁾	3,128,834 ⁽²⁾ ⁽⁴⁾	I ⁽³⁾	See Footnotes ⁽³⁾
Common Stock	03/04/2010		S		97	D	$ 14.09 ⁽¹⁾	3,128,834 ⁽²⁾ ⁽⁵⁾	I ⁽³⁾	See Footnotes ⁽³⁾
Common Stock	03/04/2010		S		3,061	D	$ 14.15 ⁽¹⁾	3,128,834 ⁽²⁾ ⁽⁶⁾	I ⁽³⁾	See Footnotes ⁽³⁾
Common Stock	03/04/2010		S		2,503	D	$ 14.09 ⁽¹⁾	3,128,834 ⁽²⁾ ⁽⁷⁾	I ⁽³⁾	See Footnotes ⁽³⁾
Common Stock	03/05/2010		S		4,616	D	$ 13.95 ⁽⁸⁾	2,928,446 ⁽²⁾ ⁽⁹⁾	I ⁽³⁾	See Footnotes ⁽³⁾
Common Stock	03/05/2010		S		6,524	D	$ 13.95 ⁽⁸⁾	2,928,446 ⁽²⁾ ⁽¹⁰⁾	I ⁽³⁾	See Footnotes ⁽³⁾
Common Stock	03/05/2010		S		20,872	D	$ 13.95 ⁽⁸⁾	2,928,446 ⁽²⁾ ⁽¹¹⁾	I ⁽³⁾	See Footnotes ⁽³⁾
Common Stock	03/05/2010		S		168,376	D	$ 13.95 ⁽⁸⁾	2,928,446 ⁽²⁾ ⁽¹²⁾	I ⁽³⁾	See Footnotes ⁽³⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
SOROS FUND MANAGEMENT LLC 888 SEVENTH AVENUE 31ST FLOOR NEW YORK, NY 10106		X
SOROS GEORGE 888 SEVENTH AVE 31ST FLR NEW YORK, NY 10106		X
Soros Robert C/O SOROS FUND MANAGEMENT LLC 888 SEVENTH AVENUE, 31ST FLOOR NEW YORK, NY 10106		X
SOROS JONATHAN T ALLAN C/O SOROS FUND MANAGEMENT LLC 888 SEVENTH AVENUE, 31ST FLOOR NEW YORK, NY 10106		X

Signatures

/s/ Jay Schoenfarber (13)		03/08/2010
^**Signature of Reporting Person		Date
/s/ Jay Schoenfarber (14)		03/08/2010
^**Signature of Reporting Person		Date
/s/ Jay Schoenfarber (15)		03/08/2010
^**Signature of Reporting Person		Date
/s/ Jay Schoenfarber (16)		03/08/2010
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	The price shown in Column 4 is a weighted average sale price. The price range for the sales is $14.00 to $14.23. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
(2)	All of the securities reported herein are held for the account of Perseus-Soros BioPharmaceutical Fund, LP ("Perseus-Soros"), Perseus-Soros Partners, LLC ("Perseus-Soros Partners"), the general partner of Perseus-Soros, SFM Participation, L.P ("SFM Participation"), a managing member of Perseus-Soros Partners, as well as Biotech Management Partners, LLC ("Biotech Management Partners") and Quantum Industrial Partners, LDC ("QIP").
(3)	Perseus-Soros Partners is the general partner of Perseus-Soros. SFM Participation is a managing member of Biotech Management Partners and Perseus-Soros Partners. SFM AH, LLC, a Delaware limited liability company ("SFM AH"), is the general partner of SFM Participation. The sole managing member of SFM AH is SFM LLC. SFM LLC also serves as the principal investment manager to QIP. Mr. George Soros ("Mr. Soros") serves as Chairman of SFM LLC, Mr. Robert Soros ("Robert Soros") serves as Deputy Chairman of SFM LLC and Mr. Jonathan Soros ("Jonathan Soros") serves as President and Deputy Chairman of SFM LLC.
(4)	Represents 677 shares of the Issuer's Common Stock sold by Perseus-Soros Partners. After the sale Perseus-Soros Partners owns directly 4,616 shares of the Issuer's Common Stock.
(5)	Represents 97 shares of the Issuer's Common Stock sold by SFM Participation. After the sale SFM Participation owns directly 10,313 shares of the Issuer's Common Stock.
(6)	Represents 3,061 shares of the Issuer's Common Stock sold by Biotech Management Partners. After the sale Biotech Management Partners owns directly 20,872 shares of the Issuer's Common Stock.
(7)	Represents 2,503 shares of the Issuer's Common Stock sold by QIP. After the sale QIP owns directly 266,158 shares of the Issuer's Common Stock.
(8)	The price shown in Column 4 is a weighted average sale price. The price range for the sales is $13.70 to $14.39. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
(9)	Represents 4,616 shares of the Issuer's Common Stock sold by Perseus-Soros Partners. After the sale Perseus-Soros Partners directly owns no shares of the Issuer's Common Stock.
(10)	Represents 6,524 shares of the Issuer's Common Stock sold by SFM Participation. After the sale SFM Participation owns directly 3,789 shares of the Issuer's Common Stock.
(11)	Represents 20,872 shares of the Issuer's Common Stock sold by Biotech Management Partners. After the sale Biotech Management Partners directly owns no shares of the Issuer's Common Stock.
(12)	Represents 168,376 shares of the Issuer's Common Stock sold by QIP. After the sale QIP owns directly 97,782 shares of the Issuer's Common Stock.
Remarks: (13) Mr. Schoenfarber is signing in his capacity as Ass't General Counsel of Soros Fund Management LLC. (14) Mr. Schoenfarber is signing in his capacity as Attorney-in-Fact for Mr. George Soros. (15) Mr. Schoenfarber is signing in his capacity s Attorney-in-Fact for Mr. Robert Soros. (16) Mr. Schoenfarber is signing in his capacity as Attorney-in-Fact for Mr. Jonathan Soros.

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