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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
906709	Nektar Therapeutics	NKTR	Pharmaceutical Preparations (2834)	943134940

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1227886	Robert Chess	C/O Nektar Therapeutics 201 Industrial Road San Carlos CA 94070		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-05-10	35,000	$6.12	290,123	No	4	M	Direct
Common Stock	Disposition	2010-05-10	35,000	$13.95	255,123	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option	Disposition	2010-05-10	35,000	$0.00	35,000	$6.12

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
24,004		2012-10-30	No	4	M	Direct

Footnotes

Transaction executed pursuant to a 10b5-1 plan adopted by the reporting person.
This transaction was executed in multiple trades during the day at prices ranging from $13.57 to $14.11. The price reported above reflects the weighted-average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
Shares subject to the stock option vested on a pro-rata monthly basis over five (5) years from the date of grant (Ocrtober 31, 2002).