[Form 4] NLIGHT, INC. Insider Trading Activity

Rhea-AI Filing Summary

nLIGHT, Inc. (LASR) reported an insider stock sale by its Chief Accounting Officer on a Form 4. On 11/21/2025, the officer sold 1,200 shares of common stock at a weighted average price of $30 per share, with sale prices ranging from $30 to $30. After this transaction, the officer beneficially owned 99,512 shares, which includes common stock, unvested restricted stock units, and shares purchased through the company’s Employee Stock Purchase Plan for the purchase period from May 16, 2025 through November 15, 2025.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Nias James

(Last) (First) (Middle)

4637 NW 18TH AVENUE

(Street)

CAMAS WA 98607

(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		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/21/2025

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	11/21/2025		S		1,200	D	$30(1)	99,512(2)(3)	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

Explanation of Responses:

1. The reported transaction involves sale transactions from $30 to $30 per share. The weighted average price per share was $30. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price.

2. Amount includes shares purchased pursuant to the nLIGHT, Inc. Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of May 16, 2025 through Nov 15, 2025. In accordance with the ESPP, these shares were purchased at a price equal to 85% of the closing price of the issuer's common stock on May 16th, 2025.

3. Includes common stock owned and unvested restricted stock units.

Remarks:

	/s/ Julie Dimmick, as attorney-in-fact	11/25/2025
	** 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 Number.

FAQ

What did nLIGHT (LASR) disclose in this Form 4 filing?

The filing reports that nLIGHT’s Chief Accounting Officer sold 1,200 shares of common stock on 11/21/2025 and now beneficially owns 99,512 shares.

At what price were the nLIGHT (LASR) shares sold in this insider transaction?

The 1,200 shares of nLIGHT common stock were sold at prices from $30 to $30 per share, with a weighted average price of $30.

How many nLIGHT (LASR) shares does the reporting officer own after the sale?

Following the reported transaction, the officer beneficially owns 99,512 shares of nLIGHT common stock, including unvested restricted stock units and ESPP shares.

Who is the insider involved in this nLIGHT (LASR) Form 4 filing?

The insider is an officer of nLIGHT, Inc. serving as Chief Accounting Officer, as indicated by the relationship section of the Form 4.

What is the role of the Employee Stock Purchase Plan in this nLIGHT (LASR) filing?

The reported 99,512 shares beneficially owned include shares purchased under the nLIGHT, Inc. Employee Stock Purchase Plan for the period from May 16, 2025 through November 15, 2025.

Does this nLIGHT (LASR) Form 4 include derivative securities?

The Form 4 includes a table for derivative securities, but the provided excerpt shows details only for the common stock sale of 1,200 shares.