Sell4

NLIGHT, INC.

LASR

Total Value

$681.9K

Net $665.4K sold

Filing Date

Sep 1, 2026

1 transaction

Sales

$665.4K

1 transaction

Trade Summary

On Aug 28, 2026, Gossman William, Director, sold $681.9K of NLIGHT, INC. (LASR) across 1 transaction. The filing covers Common Stock and reflects net selling of $665.4K. Reported prices ranged from $1.10 to $44.36. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

LASR daily price with the insider's sale marked at $44.36.

Sold near the 6-month low · the stock trades 9% lower today.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: Gossman William
Role: Director
Location: CAMAS, WA

Filing Details

Filing Date: Sep 1, 2026
Transaction Date: Aug 28, 2026
Accession Number: 0001628280-26-059941
Form Type: 4
Net Trading Amount: -$665.4K

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Aug 28, 2026	Common Stock	15,000	$1.10	Exercise	$16.5K
Aug 28, 2026	Common Stock	15,000	$44.36	Sale	$665.4K

Derivative Transactions

Date	Security	Shares	Exercise Price	Type	Value
Aug 28, 2026	LASR derivative	—	$1.10	Exercise	—

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Footnotes

(F1)Includes common stock owned and unvested restricted stock units.
(F2)This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026.
(F3)The reported transaction involves sale transactions from $44.36 to $44.36 per share. The weighted average price per share was $44.36. 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.
(F4)This grant became fully vested and exercisable on September 13, 2021.

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).

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^*

Gossman William

(Last)

(First)

(Middle)

4637 NW 18TH AVENUE

(Street)

CAMAS

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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/28/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/28/2026		M		15,000	A	$1.1	115,251⁽¹⁾	D
Common Stock	08/28/2026		S		15,000	D⁽²⁾	$44.36⁽³⁾	100,251⁽¹⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$1.1	08/28/2026		M			0	⁽⁴⁾	09/13/2026	Common Stock	15,000	$0	0	D

Explanation of Responses:

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

2. This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026.

3. The reported transaction involves sale transactions from $44.36 to $44.36 per share. The weighted average price per share was $44.36. 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.

4. This grant became fully vested and exercisable on September 13, 2021.

Remarks:

	/s/ Kerry Hill, as attorney-in-fact	09/01/2026
	** 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.

Form 4 as rendered by the SEC from accession 0001628280-26-059941.

NLIGHT, INC.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

SEC Form 4

Price at the Time of the Trade