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
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 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*
GOLD MITCHELL
(Last) (First) (Middle)
3005 FIRST AVENUE
(Street)
SEATTLE WA 98121
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
DENDREON CORP [ DNDN ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
President & CEO
3. Date of Earliest Transaction (Month/Day/Year)
04/29/2009
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
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 04/29/2009 M 40,953 A $4.41 584,561 D
Common Stock 04/29/2009 S 40,953 D $24.9206 543,608 D
Common Stock 04/29/2009 M 2,797 A $4.41 546,405 D
Common Stock 04/29/2009 S 2,797 D $24.9206 543,608 D
Common Stock 04/29/2009 M 62,120 A $4.9 605,728 D
Common Stock 04/29/2009 S 62,120 D $24.9206 543,608 D
Common Stock 04/29/2009 M 36,204 A $5.45 579,812 D
Common Stock 04/29/2009 S 36,204 D $24.9206 543,608 D
Common Stock 04/29/2009 M 22,389 A $5.45 565,997 D
Common Stock 04/29/2009 S 22,389 D $24.9206 543,608 D
Common Stock 04/29/2009 M 6,200 A $5.74 549,808 D
Common Stock 04/29/2009 S 6,200 D $24.9206 543,608 D
Common Stock 04/29/2009 M 93,800 A $5.74 637,408 D
Common Stock 04/29/2009 S 93,800 D $24.9206 543,608 D
Common Stock 04/29/2009 M 250,000 A $7.56 793,608 D
Common Stock 04/29/2009 S 250,000 D $24.9206 543,608 D
Common Stock 04/29/2009 M 27,309 A $9.25 570,917 D
Common Stock 04/29/2009 S 27,309 D $24.9206 543,608 D
Common Stock 04/29/2009 M 1,156 A $9.25 544,764 D
Common Stock 04/29/2009 S 1,156 D $24.9206 543,608 D
Common Stock(1) 04/29/2009 S 57,072 D $24.9206 486,536 D
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
Incentive Stock Option (right to buy) $4.41 04/29/2009 X 2,797 (2) 12/06/2016 Common Stock 2,797 $24.9206 1,998 D
Incentive Stock Option (right to buy) $5.45 04/29/2009 X 36,204 (2) 12/13/2015 Common Stock 36,204 $24.9206 11,585 D
Incentive Stock Option (right to buy) $5.74 04/29/2009 X 6,200 (2) 01/01/2013 Common Stock 6,200 $24.9206 0 D
Incentive Stock Option (right to buy) $9.25 04/29/2009 X 27,309 (2) 05/10/2011 Common Stock 27,309 $24.9206 0 D
Non-Qualified Stock Option (right to buy) $4.41 04/29/2009 X 40,953 (2) 12/06/2016 Common Stock 40,953 $24.9206 29,252 D
Non-Qualified Stock Option (right to buy) $4.9 04/29/2009 X 62,120 (2) 12/05/2017 Common Stock 62,120 $24.9206 124,240 D
Non-Qualified Stock Option (right to buy) $5.45 04/29/2009 X 22,389 (2) 12/13/2015 Common Stock 22,389 $24.9206 7,165 D
Non-Qualified Stock Option (right to buy) $5.74 04/29/2009 X 93,800 (2) 01/01/2013 Common Stock 93,800 $24.9206 0 D
Non-Qualified Stock Option (right to buy) $7.56 04/29/2009 X 250,000 (2) 12/10/2013 Common Stock 250,000 $24.9206 0 D
Non-Qualified Stock Option (right to buy) $9.25 04/29/2009 X 1,156 (2) 05/10/2011 Common Stock 1,156 $24.9206 36,535 D
Explanation of Responses:
1. Sale of fully vested restricted stock awards.
2. These options vest as follows: 25% of the total number of shares, on the first anniversary date and, thereafter, at a rate of 1/36 of the total number of shares in equal monthly installments.
By: Greg Cox For: Mitchell H. Gold 05/01/2009
** 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.
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