[Form 4] nLIGHT, Inc. Insider Trading Activity

Rhea-AI Filing Summary

nLIGHT, Inc. (LASR) Chief Financial Officer Joseph John Corso reported a grant of 100,000 performance-based restricted stock units (PRSUs) on 08/13/2025. Each PRSU is a contingent right to one share and vests subject to performance and service conditions under the companys 2018 Equity Incentive Plan. The filing shows a zero cash price for the PRSUs, reflecting an award rather than a purchase, and discloses that Mr. Corso beneficially owns 351,362 shares following the transaction, which includes common stock and unvested restricted stock units. The Form 4 was submitted by a single reporting person and signed by an attorney-in-fact on 08/15/2025.

Positive

• 100,000 PRSUs granted to the CFO, aligning executive pay with company performance
• Beneficial ownership disclosed as 351,362 shares, providing transparency on insider holdings
• Award is performance-based, indicating incentive alignment with long-term results

Negative

• None.

Insights

Securities Compensation Analyst

TL;DR: A 100,000 PRSU award aligns the CFO with shareholder outcomes but vests on performance and service conditions.

The filing documents a standard, non-cash grant of performance-based restricted stock units to the CFO, which generally ties executive compensation to long-term company performance. The award size relative to the reported beneficial ownership (100,000 PRSUs vs. 351,362 total beneficial shares) is meaningful for executive alignment and potential dilution if fully settled. The zero price indicates an awarded grant rather than a market transaction. Investors should note vesting is conditional, so ultimate share issuance depends on future performance and service.

Corporate Governance Expert

TL;DR: This is a governance-level disclosure of routine equity compensation with performance conditions; material only if performance targets are met.

The Form 4 properly discloses the grant under the 2018 Equity Incentive Plan and clarifies the awards contingent nature. From a governance perspective, the grant reinforces pay-for-performance practices if those performance metrics are rigorous and disclosed elsewhere. The filing does not specify the performance targets, so materiality depends on those undisclosed terms and future vesting outcomes.

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
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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^*

Corso Joseph John

(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 Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025

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	08/13/2025		A		100,000(1)	A	$0	351,362(2)	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. Represents performance-based restricted stock units ("PRSUs") awarded under the Issuer's 2018 Equity Incentive Plan. Each PRSU represents a contingent right to receive one share of the Issuer's common stock. The PRSUs vest in accordance with performance-based and service-based conditions.

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

Remarks:

	/s/ Julie Dimmick, as attorney-in-fact	08/15/2025
	** 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) CFO Joseph John Corso receive on 08/13/2025?

He was granted 100,000 performance-based restricted stock units (PRSUs) under the 2018 Equity Incentive Plan.

Does the Form 4 show a purchase price for the PRSUs?

No; the entry lists a $0 price, indicating the PRSUs were awarded rather than purchased.

How many shares does the reporting person beneficially own after the grant?

The filing reports 351,362 shares beneficially owned following the reported transaction, including common stock and unvested RSUs.

Are the PRSUs immediately vested and tradable?

No; the PRSUs vest according to performance-based and service-based conditions, so they are contingent on meeting those criteria.

Who signed the Form 4 filing for the reporting person?

The form was signed by Julie Dimmick, as attorney-in-fact, on 08/15/2025.