SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Milstead Byron Wayne (Last) (First) (Middle) 111 SW 5TH AVE., 7TH FL. (Street) PORTLAND OR 97204 (City) (State) (Zip)	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) VP Corp, General Counsel
	3. Date of Earliest Transaction (Month/Day/Year) 08/02/2019
	4. 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 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	08/02/2019		M		14,715	A	$5.73	29,206	D
Common Stock	08/02/2019		S		14,715	D	$18.9611(1)	14,491	D
Common Stock	08/02/2019		M		8,250	A	$5.28	22,741	D
Common Stock	08/02/2019		S		8,250	D	$18.9611(1)	14,491	D
Common Stock	08/02/2019		S		2,106	D	$19.0205(2)	12,385	D
Common Stock	08/02/2019		S		4,954	D	$18.9611(1)	7,431	D
Common Stock	08/02/2019		M		4,954	A	$6.1	12,385	D

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 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: 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)	$5.28	08/02/2019		M			8,250	08/13/2016(3)	05/13/2023	Common Stock	8,250	$0.0	41,800	D
Non-Qualified Stock Option (right to buy)	$5.73	08/02/2019		M			14,715	01/18/2018(4)	10/18/2024	Common Stock	14,715	$0.0	25,750	D
Non-Qualified Stock Option (right to buy)	$6.1	08/02/2019		M			4,954	05/06/2015(5)	02/06/2025	Common Stock	4,954	$0.0	0	D
Performance Restricted Stock Unit (PRSU)	$0.0(6)	08/02/2019		A		13,821		08/02/2020(7)	(8)	Common Stock	13,821	$0.0	35,511	D
Restricted Stock Unit (RSU)	$0.0(6)	08/02/2019		A		13,821		08/02/2020(9)	(8)	Common Stock	13,821	$0.0	78,101	D

Explanation of Responses:

1. The price indicated is the weighted average sale price for the shares sold. The individual sale prices for the shares indicated range from $18.61 to $19.20

2. The price indicated is the weighted average sale price for the shares sold. The individual sale prices for the shares indicated range from $18.85 to $19.19

3. 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.

4. 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.

5. 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.

6. Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuers common shares without payment of specific consideration.

7. Grants of Performance Restricted Stock Units (PRSUs) vest as follows: one-third of the PRSUs will vest on each anniversary of the date of grant, and upon the achievement of the performance conditions.

8. Not applicable.

9. Grants of Restricted Stock Units (RSUs) vest as follows: 25% of the RSUs will vest on the first anniversary of the date of grant, and an additional 6.25% of the RSUs shall vest at the end of each three month period thereafter.

	/s/ Byron W. Milstead	08/06/2019
	** 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).
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