Ownership Submission
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

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 *
Downing Maxwell J
  2. Issuer Name and Ticker or Trading Symbol
LATTICE SEMICONDUCTOR CORP [LSCC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CFO
(Last)
(First)
(Middle)
111 SW 5TH AVE., 7TH FL.
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2018
(Street)

PORTLAND, OR 97204
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 08/31/2018   M   10,496 A $ 5.4 36,367 D  
Common Stock 08/31/2018   M   21,897 A $ 7.54 58,264 D  
Common Stock 08/31/2018   M   26,247 A $ 5.85 84,511 D  
Common Stock 08/31/2018   M   23,561 A $ 5.88 108,072 D  
Common Stock 08/31/2018   M   17,121 A $ 5.73 125,193 D  
Common Stock 08/31/2018   S   99,322 D $ 8.1282 (1) 25,871 D  
Common Stock 08/31/2018   S   19,538 D $ 8.1305 (1) 6,333 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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
Non-Qualified Stock Option (right to buy) $ 5.4 08/31/2018   M     10,496 06/25/2013(2) 03/25/2020 Common Stock 10,496 $ 0 0 D  
Non-Qualified Stock Option (right to buy) $ 5.73 08/31/2018   M     17,121 01/18/2018(3) 10/18/2024 Common Stock 17,121 $ 0 62,779 D  
Non-Qualified Stock Option (right to buy) $ 5.85 08/31/2018   M     26,247 10/09/2015(2) 07/09/2022 Common Stock 26,247 $ 0 8,749 D  
Non-Qualified Stock Option (right to buy) $ 5.88 08/31/2018   M     23,561 10/19/2016(2) 07/19/2023 Common Stock 23,561 $ 0 23,562 D  
Non-Qualified Stock Option (right to buy) $ 7.54 08/31/2018   M     21,897 06/21/2014(2) 03/21/2021 Common Stock 21,897 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Downing Maxwell J
111 SW 5TH AVE., 7TH FL.
PORTLAND, OR 97204
      CFO  

Signatures

 By: Byron W. Milstead, Attorney,in-Fact For: Maxwell J. Downing   09/04/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The price indicated is the weighted average sale price for the shares sold. The individual sale prices for the shares indicated range from $8.10 to $8.15.
(2) This option to purchase shares of common stock becomes exercisable over a four year period where in 1/16th (6.25%) of the total shares granted vest on each quarterly anniversary of the grant date.
(3) This option to purchase shares of common stock becomes exercisable over a three and half year period where in 1/14th of the total shares granted vest on each quarterly anniversary of the grant date.

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