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* OAK INVESTMENT PARTNERS X LTD PARTNERSHIP (Last) (First) (Middle) C/O OAK INVESTMENT PARTNERS 525 UNIVERSITY AVENUE SUITE 1300 (Street) PALO ALTO CA 94301 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol NLIGHT, INC. [ LASR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 04/30/2018
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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	04/30/2018		C		5,520,270	A	(1)(2)(3)(4)(5)	5,547,084(11)	D(12)

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
Series C Preferred Stock	(1)	04/30/2018		C			1,389,868(6)	(1)	(1)	Common Stock	1,389,868	$0.00	0	D(12)
Series D Preferred Stock	(2)	04/30/2018		C			1,742,711(7)	(2)	(2)	Common Stock	1,742,711	$0.00	0	D(12)
Series E Preferred Stock	(3)	04/30/2018		C			401,632(8)	(3)	(3)	Common Stock	401,632	$0.00	0	D(12)
Series F Preferred Stock	(4)	04/30/2018		C			1,652,087(9)	(4)	(4)	Common Stock	1,652,087	$0.00	0	D(12)
Series G Preferred Stock	(5)	04/30/2018		C			333,972(10)	(5)	(5)	Common Stock	333,972	$0.00	0	D(12)

1. Name and Address of Reporting Person* OAK INVESTMENT PARTNERS X LTD PARTNERSHIP (Last) (First) (Middle) C/O OAK INVESTMENT PARTNERS 525 UNIVERSITY AVENUE SUITE 1300 (Street) PALO ALTO CA 94301 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* OAK X AFFILIATES FUND LP (Last) (First) (Middle) C/O OAK INVESTMENT PARTNERS 525 UNIVERSITY AVENUE SUITE 1300 (Street) PALO ALTO CA 94301 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

2. The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

3. The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

4. The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

5. The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

6. Consists of 1,367,908 shares held of record by Oak Investment Partners X, L.P., and 21,960 shares held of record by Oak X Affiliates Fund, L.P.

7. Consists of 1,715,177 shares held of record by Oak Investment Partners X, L.P., and 27,534 shares held of record by Oak X Affiliates Fund, L.P.

8. Consists of 395,287 shares held of record by Oak Investment Partners X, L.P., and 6,345 shares held of record by Oak X Affiliates Fund, L.P.

9. Consists of 1,625,696 shares held of record by Oak Investment Partners X, L.P., and 26,101 shares held of record by Oak X Affiliates Fund, L.P.

10. Consists of 328,696 shares held of record by Oak Investment Partners X, L.P., and 5,276 shares held of record by Oak X Affiliates Fund, L.P.

11. Consists of 5,459,446 shares held of record by Oak Investment Partners X, L.P., and 87,638 shares held of record by Oak X Affiliates Fund, L.P.

12. Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, LP. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P., and the managing members of Oak Associates X GP and Oak X Affiliates GP are Bandel L. Carano, Edward F. Glassmeyer, Frederic W. Harman and Ann H. Lamont. These individuals may be deemed to have shared voting and investment power over the shares held by Oak Investment Partners X, L.P. and Oak X Affiliates Fund, L.P. Each of these individuals disclaims beneficial ownership of such shares and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

	/s/ Kerry Hill, as attorney-in-fact	04/30/2018
	** Signature of Reporting Person	Date
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