EX-10.3



 Exhibit 10.3 

SEATTLE GENETICS, INC. 

AMENDED & RESTATED 2007 EQUITY INCENTIVE PLAN 

STOCK OPTION AGREEMENT 

THIS STOCK OPTION AGREEMENT (the “Agreement”) dated %%OPTION_DATE,‘MM/DD/YYYY’%-% (“Grant Date”) between
Seattle Genetics, Inc., a Delaware corporation (the “Company”), and %%FIRST_NAME%-% %%MIDDLE_NAME%-% %%LAST_NAME%-% (“Optionee”), is entered into as follows: 

WITNESSETH: 
 WHEREAS, the
Company has established the Amended & Restated 2007 Equity Incentive Plan (the “Plan”) and the Long Term Incentive Plan for ECHELON-1 (the “LTIP”); and 

WHEREAS, the Compensation Committee of the Board of Directors of the Company or its delegates (the “Committee”) has determined that
Optionee shall be granted an option under the Plan as hereinafter set forth; 
 The parties hereby agree that the Company grants, effective
as of the Grant Date, Optionee a Nonstatutory Stock Option (this “Option”) to purchase %%TOTAL_SHARES_GRANTED,‘999,999,999’%-% shares of its $0.001 par value Common Stock (the “Shares”) upon the terms and
conditions set forth in this Agreement. 
 1. Plan Award. This Option is granted under and pursuant to the Plan and the
LTIP and is subject to each and all of the provisions thereof. 
 2. Exercise Price. The exercise price applicable to this
Option (meaning, the price Optionee must pay in order to purchase any Shares hereunder) shall be %%OPTION_PRICE,’$999,999,999.99’%-% per Share. 

3. Vesting and Exercise of Option. Optionee shall vest in and earn the right to exercise this Option in accordance with the
terms set forth in Section 4(e) of the LTIP. By accepting the grant of this Option, Optionee acknowledges and agrees that the terms set forth in this Section 3 and in Section 4(e) of the LTIP supersede any contrary terms regarding the vesting
of this Option set forth in any notice or other communication that Optionee receives from, or that is displayed by, E*TRADE or other third party designated by the Company. This award may be exercised in whole or in part. 

4. Expiration. This Option will expire ten (10) years from the Grant Date, unless sooner terminated or canceled in
accordance with the provisions of the Plan or LTIP. This means that (subject to the continuing service requirement set forth in Section 3 above and subject to earlier termination upon certain other events as set forth in the Plan or LTIP) this
Option must be 

  
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exercised, if at all, on or before %%EXPIRE_DATE_PERIOD1,‘MM/DD/YYYY’%-% (the “Expiration Date”). If this Option expires on a stock exchange holiday or weekend
day, this Option will expire on the last trading day prior to the holiday or weekend. Optionee shall be solely responsible for exercising this Option, if at all, prior to its Expiration Date. The Company shall have no
obligation to notify Optionee of this Option’s expiration. 
 5. Exercise Mechanics. This Option may be exercised by
delivering to the Stock Plan Administrator at the Company’s head office a written or electronic notice stating the number of Shares as to which the Option is exercised or by any other method the Committee has approved. The notice must be
accompanied by the payment of the full Option exercise price of such Shares. Exercise shall not be deemed to have occurred unless and until Optionee has delivered to the Company (or its authorized representative) an approved notice of exercise, full
payment of the exercise price for the Shares being exercised and payment of any applicable withholding taxes in accordance with Section 8 below. Payment of the Option exercise price may be in cash (including check or wire transfer); through an
approved cashless-brokered exercise program, with shares of the Company’s Common Stock (subject to the Company’s discretion to withhold approval for such payment method at any time); cashless “net exercise” arrangement pursuant
to which the Company will reduce the number of Shares issued upon exercise by the largest whole number of Shares having an aggregate fair market value that does not exceed the aggregate exercise price, provided the Company shall accept a cash or
other payment from Optionee to the extent of any remaining balance of the exercise price not satisfied by such reduction in the number of whole Shares to be issued or a combination thereof to the extent permissible under Applicable Law; provided,
however, that any permitted method of payment shall be in strict compliance with all procedural rules established by the Committee. 
 6. Termination
of Employment. All rights of Optionee in this Option, to the extent that it has not previously become vested and been exercised, shall terminate upon Optionee’s Termination of Employment except as set forth in this
Section 6. The portion of the Option that relates to any Shares that were unvested and unexercisable as of the date of Optionee’s Termination of Employment shall terminate and expire effective immediately upon such date. With respect
to the vested and exercisable portion of the Option, and subject to the final sentence of this Section 6: 
 (i) In the event of Termination
of Employment other than as a result of Optionee’s death or disability, Optionee shall have three months from the date of such Termination to exercise the Option as to the Shares subject to the Option that were vested and exercisable as of the
date of Termination of Employment; provided that if during any part of such three month period, the Option is not exercisable because the issuance of the Shares would violate the registration requirements under the Securities Act, the Option shall
not expire until the Option shall have been exercisable for an aggregate of three months after the date of Termination of Employment; provided further that if during any part of such three month period, the Shares issued upon exercise of the Option
may not be sold because Optionee has material nonpublic information regarding the Company or is otherwise subject to a trading blackout period under the Company’s Insider Trading Policy, the Option shall not expire until Optionee shall have had
an aggregate of three months after the date of Termination of Employment during which Optionee can sell the Shares without being subject to such restrictions arising under insider trading laws or Company policy; and provided further that
notwithstanding the foregoing, in no event may this Option be exercised more than one year after the date of Termination of Employment; 

  
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 (ii) In the event of Termination of Employment as a result of Optionee’s disability
(including a Total and Permanent Disability), Optionee shall have 12 months to exercise the Option as to the Shares subject to the Option that were vested and exercisable as of the date of Termination of Employment; and 

(iii) In the event of Termination of Employment as a result of Optionee’s death or in the event of Optionee’s death within 30 days
following Optionee’s Termination of Employment, Optionee shall have six months following the Optionee’s death to exercise the Option as to the Shares subject to the Option that were vested and exercisable as of the date of death or, if
earlier, the date of Termination of Employment. 
 Notwithstanding the above, in no event may an Option be exercised, even as to vested and otherwise
exercisable Shares, after the Expiration Date set forth in Section 4 above. 
 7. Transferability. This Option generally is not
transferable by Optionee otherwise than by will or the laws of descent and distribution, and is exercisable only by Optionee during Optionee’s lifetime; provided, however, that if expressly provided by the Committee, this Option may be
transferred by instrument to an inter vivos or testamentary trust in which the Option is to be passed to beneficiaries upon the death of the trustor (settlor) or by gift or pursuant to domestic relations orders to “Immediate Family
Members” (as defined below) of the Optionee. “Immediate Family” means any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, former spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law,
daughter-in-law, brother-in-law, or sister-in-law (including adoptive relationships), a trust in which these persons have more than fifty percent of the beneficial interest, a foundation in which these persons (or the Optionee) control the
management of assets, and any other entity in which these persons (or the Optionee) own more than fifty percent of the voting interests. 
 8. Tax
Matters. Regardless of any action the Company or Optionee’s employer (the “Employer”) takes with respect to any or all income tax, social security, payroll tax, payment on account or other tax-related
withholding (“Tax-Related Items”), Optionee acknowledges and agrees that the ultimate liability for all Tax-Related Items legally due by him or her is and remains Optionee’s responsibility and that the Company and/or the Employer
(i) make no representations nor undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of this Option, including the grant, vesting or exercise of this Option, the subsequent sale of Shares acquired pursuant
to such exercise and receipt of any dividends; and (ii) do not commit to structure the terms or the grant or any aspect of this Option to reduce or eliminate Optionee’s liability for Tax-Related Items. Prior to the exercise of this
Option, Optionee shall pay or make adequate arrangements satisfactory to the Company and/or the Employer to withhold all applicable Tax-Related Items legally payable by Optionee from Optionee’s wages or other cash compensation paid to Optionee
by the Company and/or the Employer or from proceeds of the sale of Shares. Alternatively, or in addition, if permissible under Applicable Laws, the Company may (but shall not be obligated to): (1) sell or arrange for the sale of
Shares that Optionee acquires to meet the withholding obligation for Tax-Related 

  
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Items, and/or (2) withhold in Shares, provided that the Company only withholds the amount of Shares necessary to satisfy the minimum withholding amount (or such other amount as may be
permitted while still avoiding classification of this Option as a liability for financial accounting purposes). In addition, Optionee shall pay the Company or the Employer any amount of Tax-Related Items that the Company or the Employer may be
required to withhold as a result of Optionee’s participation in the Plan or Optionee’s purchase of Shares that cannot be satisfied by the means previously described, and if Optionee does not otherwise so pay the Company or the Employer,
then the Company or the Employer may withhold amounts from Optionee’s cash compensation to satisfy such withholding obligation. The Company may refuse to honor the exercise and refuse to deliver the Shares if Optionee fails to comply with
Optionee’s obligations in connection with the Tax-Related Items (including if Optionee’s cash compensation is not sufficient to satisfy such obligations). Although Optionee is being provided in the Plan prospectus a description of
certain tax consequences of transactions related to the Option, Optionee remains responsible for all such tax consequences and the Company shall not be deemed to provide any individual tax advice with respect thereto.

9. Optionee Acknowledgements. By accepting the grant of this Option, Optionee acknowledges and agrees that the Plan and LTIP
are established voluntarily by the Company, they are discretionary in nature and may be modified, amended, suspended or terminated by the Company at any time. Optionee acknowledges that all decisions with respect to future grants, if any, will
be at the sole discretion of the Company. Optionee’s participation in the Plan and LTIP shall not create a right to further employment with Employer and shall not interfere with the ability of Employer to terminate Optionee’s
employment relationship at any time with or without cause and it is expressly agreed and understood that employment is terminable at the will of either party, insofar as permitted by law. Optionee agrees that this Option is an extraordinary
item that does not constitute compensation of any kind for services of any kind rendered to the Company or the Employer prior to the Grant Date, and is outside the scope of Optionee’s employment contract, if any. This Option is not
part of normal or expected compensation or salary for any purposes, including, but not limited to calculating any severance, resignation, termination, redundancy, end-of-service payments, bonuses, long-service awards, pension or retirement benefits
or similar payments insofar as permitted by law. In the event that Optionee is not an employee of the Company, this Option grant will not be interpreted to form an employment contract or relationship with the Company, the Employer or any
Subsidiary or Affiliate of the Company. Optionee acknowledges that the future value of the underlying Shares is unknown, may increase or decrease in the future, and cannot be predicted with certainty. In consideration of the grant of this
Option, no claim or entitlement to compensation or damages shall arise from termination of this Option or diminution in value of this Option or Shares purchased through exercise of this Option resulting from Optionee’s Termination of Employment
by the Company or the Employer (for any reason whatsoever and whether or not in breach of Applicable Laws). 
 10. Data
Transfer. Optionee explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of Optionee’s personal data as described in this document by and among, as applicable, the
Employer, and the Company and its Subsidiaries and Affiliates for the exclusive purpose of implementing, administering and managing Optionee’s participation in the Plan and the LTIP. Optionee understands that the Company, its Affiliates,
its 

  
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Subsidiaries and the Employer hold certain personal information about Optionee, including, but not limited to, name, home address and telephone number, date of birth, social security number (or
other identification number), salary, nationality, job title, any shares of stock or directorships held in the Company, details of all options or any other entitlement to shares of stock awarded, canceled, purchased, exercised, vested, unvested or
outstanding in Optionee’s favor for the purpose of implementing, managing and administering the Plan and the LTIP (“Data”). Optionee understands that the Data may be transferred to any third parties assisting in the
implementation, administration and management of the Plan and the LTIP, that these recipients may be located in Optionee’s country or elsewhere and that the recipient country may have different data privacy laws and protections than
Optionee’s country. Optionee may request a list with the names and addresses of any potential recipients of the Data by contacting the Stock Plan Administrator. Optionee authorizes the recipients to receive, possess, use, retain and
transfer the Data, in electronic or other form, for the purposes of implementing, administering and managing Optionee’s participation in the Plan and the LTIP, including any requisite transfer of such Data, as may be required to a broker or
other third party with whom Optionee may elect to deposit any Shares acquired upon the exercise of this Option. Optionee understands that Data will be held only as long as is necessary to implement, administer and manage participation in the
Plan or the LTIP. Optionee may, at any time, view Data, request additional information about the storage and processing of the Data, require any necessary amendments to the Data or refuse or withdraw the consents herein, in any case without
cost, by contacting the Stock Plan Administrator in writing. Optionee understands that refusing or withdrawing consent may affect Optionee’s ability to participate in the Plan and the LTIP. For more information on the consequences of
refusing to consent or withdrawing consent, Optionee may contact the Stock Plan Administrator at the Company. 
 11. Copies of Plan and LTIP
Materials. Optionee acknowledges that Optionee has received copies of the Plan, the Plan prospectus and the LTIP from the Company and agrees to receive stockholder information, including copies of any annual report, proxy
statement and periodic report, from the Company’s website at http://www.seattlegenetics.com/news/index.htm. Optionee acknowledges that copies of the Plan, Plan prospectus, Plan information, LTIP and stockholder information are also
available upon written or telephonic request to the Stock Plan Administrator. 
 12. Entire Agreement; Plan Controls. The
Plan and LTIP are incorporated herein by reference. The Plan, LTIP and this Agreement constitute the entire agreement of the parties with respect to the subject matter hereof and supersede in their entirety and prevail over all prior undertakings
and agreements of the Company and Optionee with respect to the subject matter hereof, and may be modified or amended at any time without Optionee’s consent. This Agreement is governed by the laws of the state of Delaware. In the event of any
conflict between the terms and provisions of the Plan, LTIP and this Agreement, the Plan terms and provisions shall govern. Capitalized terms used but not defined in this Agreement have the meanings assigned to them in the Plan. Certain other
important terms governing this Agreement are contained in the Plan and LTIP. 

  
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 Optionee’s electronic acceptance shall signify Optionee’s execution of this Agreement and understanding
that this Option is granted and governed under the terms and conditions set forth herein. 
  

	
	SEATTLE GENETICS, INC.
	
	




	Clay B. Siegall
	President & CEO


 PLEASE PRINT AND RETAIN THIS AGREEMENT FOR YOUR RECORDS 

  
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