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SEC FORM 4 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*
Third Point LLC
(Last) (First) (Middle)
390 PARK AVENUE
(Street)
NEW YORK NY 10022
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
NABI BIOPHARMACEUTICALS [ NABI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
See Remarks Below
3. Date of Earliest Transaction (Month/Day/Year)
05/08/2007
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, par value $0.01 per share 05/08/2007 P 350,000 A $5.15 6,100,000(1) I See footnote(1)
Common Stock, par value $0.01 per share 05/08/2007 P 230,000 A $5.13 6,330,000(1) I See footnote(1)
Common Stock, par value $0.01 per share 05/09/2007 P 225,000 A $5.25 6,555,000(1) I See footnote(1)
Common Stock, par value $0.01 per share 05/10/2007 P 135,000 A $5.25 6,690,000(1) I See footnote(1)
Common Stock, par value $0.01 per share 05/10/2007 P 200,000 A $5.25 6,890,000(1) I See footnote(1)
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
1. Name and Address of Reporting Person*
Third Point LLC
(Last) (First) (Middle)
390 PARK AVENUE
(Street)
NEW YORK NY 10022
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Loeb Daniel S
(Last) (First) (Middle)
390 PARK AVENUE
(Street)
NEW YORK NY 10022
(City) (State) (Zip)
Explanation of Responses:
1. All securities disclosed in this Form 4 are owned by certain funds (the "Funds") managed by Third Point LLC ("Third Point"). Daniel S. Loeb is the Chief Executive Officer of Third Point. By reason of the provisions of Rule 16a-1 under the Securities Exchange Act of 1934, as amended (the "Act"), Third Point and Mr. Loeb may be deemed to be the beneficial owners of the securities held by the Funds. Third Point and Mr. Loeb hereby disclaim any beneficial ownership of all such securities for purposes of Section 16 of the Act, except to the extent of their indirect pecuniary interest therein.
Remarks:
May be deemed to be a member of Section 13(d) "group" owning more than 10% of the issuer's common stock; disclaims beneficial ownership for purposes of Section 13(d) of the Act of shares of such common stock except to the extent reported herein. Exhibit List Exhibit 99.1 - Joint Filer Information
THIRD POINT LLC, by DANIEL S. LOEB, Chief Executive Officer, by /s/ Justin Nadler, Attorney-in-Fact 05/10/2007
** 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 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).
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.
                                                                    Exhibit 99.1


                              Attachment to Form 4


                             JOINT FILER INFORMATION



Name and Address:                                 Daniel S. Loeb
                                                  390 Park Avenue
                                                  New York, NY 10022


Date of Event Requiring Statement:                05/08/07
Issuer and Ticker Symbol:                         Nabi Biopharmaceuticals (NABI)
Relationship to Issuer:                           (1)
Designated Filer:                                 Third Point LLC


TABLE I INFORMATION

Title of Security:                                Common Stock
Transaction Date                                  05/08/07
Transaction Code                                  P
Amount of Securities and Price                    350,000 at $5.15 per share
Securities Acquired (A) or Disposed of (D)        A
Amount of Securities Beneficially Owned
     Following Reported Transactions              6,100,000
Ownership Form:                                   I
Nature of Indirect Beneficial Ownership:          (1)

Title of Security:                                Common Stock
Transaction Date                                  05/08/07
Transaction Code                                  P
Amount of Securities and Price                    230,000 at $5.13 per share
Securities Acquired (A) or Disposed of (D)        A
Amount of Securities Beneficially Owned
     Following Reported Transactions              6,330,000
Ownership Form:                                   I
Nature of Indirect Beneficial Ownership:          (1)

Title of Security:                                Common Stock
Transaction Date                                  05/09/07
Transaction Code                                  P
Amount of Securities and Price                    225,000 at $5.25 per share
Securities Acquired (A) or Disposed of (D)        A
Amount of Securities Beneficially Owned
     Following Reported Transactions              6,555,000
Ownership Form:                                   I
Nature of Indirect Beneficial Ownership:          (1)

Title of Security:                                Common Stock
Transaction Date                                  05/10/07
Transaction Code                                  P
Amount of Securities and Price                    135,000 at $5.25 per share
Securities Acquired (A) or Disposed of (D)        A
Amount of Securities Beneficially Owned
     Following Reported Transactions              6,690,000





Ownership Form:                                   I
Nature of Indirect Beneficial Ownership:          (1)

Title of Security:                                Common Stock
Transaction Date                                  05/10/07
Transaction Code                                  P
Amount of Securities and Price                    200,000 at $5.25 per share
Securities Acquired (A) or Disposed of (D)        A
Amount of Securities Beneficially Owned
     Following Reported Transactions              6,890,000
Ownership Form:                                   I
Nature of Indirect Beneficial Ownership:          (1)





Signature                                         DANIEL S. LOEB


                                                  By: /s/ Justin Nadler
                                                     ---------------------------
                                                  Name:  Justin Nadler
                                                  Title:  Attorney-in-Fact