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

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(Print or Type Responses)

1. Name and Address of Reporting Person *   DRACHMAN JONATHAN G 2. Date of Event Requiring Statement (Month/Day/Year) 10/01/2013 3. Issuer Name and Ticker or Trading Symbol SEATTLE GENETICS INC /WA [SGEN] (Last) (First) (Middle) 21823 30TH DRIVE SE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CMO & EVP, R & D 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) BOTHELL, WA 98021 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 43,012 (1) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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
Incentive Stock Option (right to buy)	  (2)	08/28/2017	Common Stock	10,000	$ 10.29	D	Â
Incentive Stock Option (right to buy)	  (3)	05/07/2020	Common Stock	2,344	$ 10.61	D	Â
Incentive Stock Option (right to buy)	  (4)	08/27/2018	Common Stock	7,249	$ 11.09	D	Â
Incentive Stock Option (right to buy)	  (5)	08/27/2020	Common Stock	6,260	$ 12	D	Â
Incentive Stock Option (right to buy)	  (6)	08/25/2019	Common Stock	8,223	$ 12.16	D	Â
Incentive Stock Option (right to buy)	  (7)	08/24/2021	Common Stock	6,468	$ 15.46	D	Â
Incentive Stock Option (right to buy)	  (8)	08/20/2022	Common Stock	3,831	$ 26.1	D	Â
Incentive Stock Option (right to buy)	  (9)	08/19/2023	Common Stock	2,436	$ 41.04	D	Â
Non-Qualified Stock Option (right to buy)	  (10)	03/23/2018	Common Stock	10,457	$ 8.96	D	Â
Non-Qualified Stock Option (right to buy)	  (2)	08/28/2017	Common Stock	32,249	$ 10.29	D	Â
Non-Qualified Stock Option (right to buy)	  (3)	05/07/2020	Common Stock	20,156	$ 10.61	D	Â
Non-Qualified Stock Option (right to buy)	  (4)	08/27/2018	Common Stock	47,751	$ 11.09	D	Â
Non-Qualified Stock Option (right to buy)	  (5)	08/27/2020	Common Stock	58,740	$ 12	D	Â
Non-Qualified Stock Option (right to buy)	  (6)	08/25/2019	Common Stock	41,777	$ 12.16	D	Â
Non-Qualified Stock Option (right to buy)	  (7)	08/24/2021	Common Stock	43,532	$ 15.46	D	Â
Non-Qualified Stock Option (right to buy)	  (8)	08/20/2022	Common Stock	36,169	$ 26.1	D	Â
Non-Qualified Stock Option (right to buy)	  (9)	08/19/2023	Common Stock	33,564	$ 41.04	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DRACHMAN JONATHAN G 21823 30TH DRIVE SE BOTHELL, WA 98021	Â	Â	  CMO & EVP, R & D	Â

Signatures

Jonathan G. Drachman		10/11/2013
**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)	Amount of securities beneficially owned include 40,400 Restricted Stock Units subject to vesting.
(2)	Shares vested at a rate of 25% on 8/28/08 and monthly thereafter until all the shares were fully vested on 8/28/11.
(3)	Shares vested at a rate of 25% on 5/7/2010. The remainder shall vest monthly until all the shares are vested on 5/7/2014.
(4)	Shares vested at a rate of 25% on 8/27/09 and monthly thereafter until all the shares were fully vested on 8/27/12.
(5)	Shares vested at a rate of 25% on 8/27/11. The remainder shall vest monthly until all the shares are vested on 8/27/14.
(6)	Shares vested at a rate of 25% on 8/25/10 and monthly thereafter until all the shares were fully vested on 8/25/13.
(7)	Shares vested at a rate of 25% on 8/24/12. The remainder shall vest monthly until all the shares are vested on 8/24/15.
(8)	Shares vested at a rate of 25% on 8/20/13. The remainder shall vest monthly until all the shares are vested on 8/20/16.
(9)	Shares shall vest at a rate of 25% on 8/19/14 and monthly thereafter until all the shares are fully vested on 8/19/17.
(10)	Shares vested at a rate of 25% on 03/23/08 and monthly thereafter until all the shares were fully vested on 03/23/12.

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