Joseph John Corso - Aug 5, 2025 Form 4 Insider Report for NLIGHT, INC. (LASR)

Role: Chief Financial Officer
Signature: /s/ Julie Dimmick, as attorney-in-fact
Stock symbol: LASR
Transactions as of: Aug 5, 2025
Transactions value $: $0
Form type: 4
Date filed: 8/7/2025, 08:14 PM
Previous filing: Jun 17, 2025
Next filing: Aug 15, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Corso Joseph John	Chief Financial Officer	4637 NW 18TH AVENUE, CAMAS	/s/ Julie Dimmick, as attorney-in-fact	2025-08-07	0001914846

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LASR	Common Stock	Award	$0	+85K	+51.09%	$0.00	251K	Aug 5, 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents an equal number of restricted stock units ("RSUs"). Each RSU represents the right to receive a share of the Issuer's common stock on the date it vests. These RSUs were granted subject to performance- and service-based vesting requirements. On August 5, 2025, the Compensation Committee of the Issuer's Board of Directors certified the level of achievement of the performance-based conditions. As a result, one hundred percent (100%) of the RSUs will vest on August 14, 2025, subject to continued service with the Issuer through such date.
F2	Includes common stock owned and unvested restricted stock units.

Content

Represents an equal number of restricted stock units ("RSUs"). Each RSU represents the right to receive a share of the Issuer's common stock on the date it vests. These RSUs were granted subject to performance- and service-based vesting requirements. On August 5, 2025, the Compensation Committee of the Issuer's Board of Directors certified the level of achievement of the performance-based conditions. As a result, one hundred percent (100%) of the RSUs will vest on August 14, 2025, subject to continued service with the Issuer through such date.

Includes common stock owned and unvested restricted stock units.