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
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  Thomsen Jillian B.
 2. Date of Event Requiring Statement (Month/Day/Year)
04/21/2008		 3. Issuer Name and Ticker or Trading Symbol
NEKTAR THERAPEUTICS [NKTR]
(Last)
(First)
(Middle)
C/O NEKTAR THERAPEUTICS, 201 INDUSTRIAL ROAD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP & Chief Accounting Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN CARLOS, CA 94070		 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)
Common Stock 1,238
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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 control number.

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
Employee Stock Option   (1) 03/15/2014 Common Stock 30,000 $ 19.29 D  
Restricted Stock Unit   (2)   (2) Common Stock 1,667 $ 0.01 (3) D  
Employee Stock Option   (4) 03/16/2015 Common Stock 5,000 $ 11.38 D  
Employee Stock Option   (5) 03/20/2016 Common Stock 100,000 $ 6.65 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Thomsen Jillian B.
C/O NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070		       VP & Chief Accounting Officer  

Signatures

Gil M. Labrucherie, Attorney-in-Fact 05/01/2008
**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) 20% of the shares vested on the one year anniversary of the grant date (or March 15, 2007), and the remainder of the shares subject to the stock option vest on a monthly basis during the following four years thereafter.
(2) The shares of common stock subject to this Restricted Stock Unit vest on a pro-rata basis over a period of three years from the date of grant of March 16, 2007.
(3) Each restricted stock unit represents a contingent right to receive one share of the common stock of Nektar Therapeutics.
(4) The shares subject to this stock option vest on a monthly basis over a period of four years from the March 16, 2007 grant date.
(5) 25% of the shares will vest on the one year anniversary of the grant date (or March 15, 2009), and the remainder of the shares subject to the stock option vest on a monthly basis during the following three years thereafter.

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

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.