SEC FORM 3

SEC Form 3

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
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

DRACHMAN JONATHAN G

(Last)

(First)

(Middle)

21823 30TH DRIVE SE

(Street)

BOTHELL

98021

(City)

(State)

(Zip)

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 ]

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 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 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

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: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Incentive Stock Option (right to buy)	⁽²⁾	08/28/2017	Common Stock	10,000	$10.29	D
Incentive Stock Option (right to buy)	⁽³⁾	05/07/2020	Common Stock	2,344	$10.61	D
Incentive Stock Option (right to buy)	⁽⁴⁾	08/27/2018	Common Stock	7,249	$11.09	D
Incentive Stock Option (right to buy)	⁽⁵⁾	08/27/2020	Common Stock	6,260	$12	D
Incentive Stock Option (right to buy)	⁽⁶⁾	08/25/2019	Common Stock	8,223	$12.16	D
Incentive Stock Option (right to buy)	⁽⁷⁾	08/24/2021	Common Stock	6,468	$15.46	D
Incentive Stock Option (right to buy)	⁽⁸⁾	08/20/2022	Common Stock	3,831	$26.1	D
Incentive Stock Option (right to buy)	⁽⁹⁾	08/19/2023	Common Stock	2,436	$41.04	D
Non-Qualified Stock Option (right to buy)	⁽¹⁰⁾	03/23/2018	Common Stock	10,457	$8.96	D
Non-Qualified Stock Option (right to buy)	⁽²⁾	08/28/2017	Common Stock	32,249	$10.29	D
Non-Qualified Stock Option (right to buy)	⁽³⁾	05/07/2020	Common Stock	20,156	$10.61	D
Non-Qualified Stock Option (right to buy)	⁽⁴⁾	08/27/2018	Common Stock	47,751	$11.09	D
Non-Qualified Stock Option (right to buy)	⁽⁵⁾	08/27/2020	Common Stock	58,740	$12	D
Non-Qualified Stock Option (right to buy)	⁽⁶⁾	08/25/2019	Common Stock	41,777	$12.16	D
Non-Qualified Stock Option (right to buy)	⁽⁷⁾	08/24/2021	Common Stock	43,532	$15.46	D
Non-Qualified Stock Option (right to buy)	⁽⁸⁾	08/20/2022	Common Stock	36,169	$26.1	D
Non-Qualified Stock Option (right to buy)	⁽⁹⁾	08/19/2023	Common Stock	33,564	$41.04	D

Explanation of Responses:

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.

	Jonathan G. Drachman	10/11/2013
	** 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 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).
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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