FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Kelbon Marcia S. 		2. Issuer Name and Ticker or Trading Symbol

OMEROS CORP [ OMER ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
VP Patent and General Counsel
(Last)          (First)          (Middle)

201 ELLIOTT AVENUE WEST 		3. Date of Earliest Transaction (MM/DD/YYYY)

11/23/2015
(Street)

SEATTLE, WA 98119
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   11/23/2015     M    15900   A $0.98   147026   D    
Common Stock   11/23/2015     S (1)    15900   D $15.00   131126   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 of Derivative Security: 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
Stock Option (Right to Buy)   $0.98   11/23/2015     M         15900      (2) 12/11/2016   Common Stock   15900   $0.00   159100   D    

Explanation of Responses:
( 1)  Open market sale pursuant to a 10b5-1 trading plan adopted by the reporting person on June 3, 2014, at which time the trading schedule, including sale periods, price and the number of shares to be sold, was established, in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. This Rule 10b5-1 plan provides for fixed sales of a total of 175,000 shares, by exercise of options otherwise expiring on December 11, 2016, over a one-year period beginning in November 2015, with sale periods commencing approximately monthly and with approximately 15,900 shares to be sold in each sale period. Proceeds will be used for the payment of taxes owed on options exercised and held earlier this year and may also be used to fund the costs of and taxes on the future exercise and holding of other options. This sale of 15,900 shares is the result of the first monthly trade pursuant to this trading plan.
( 2)  The option vested and became exercisable in 48 equal monthly installments. The first installment became exercisable on November 1, 2005 and subsequent installments became exercisable on each monthly anniversary thereafter.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Kelbon Marcia S.
201 ELLIOTT AVENUE WEST
SEATTLE, WA 98119

VP Patent and General Counsel

Signatures
/s/ Marcia S. Kelbon 11/25/2015
** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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