nLIGHT officer plans $146K stock sale

Rhea-AI Filing Summary

NLIGHT, INC. (LASR) discloses that officer Joseph J. Corso has filed a notice under Rule 144 to sell up to 3,524 shares of the company’s common stock, arising from restricted stock vesting on September 1, 2026, through Fidelity Brokerage Services LLC on NASDAQ.

The notice also lists prior sales of NLIGHT common stock in the past three months by Joseph J. Corso: 3,817 shares on June 4, 2026 for $278,259.30 and 4,191 shares on September 3, 2026 for $170,527.60.

Key Figures

Shares proposed for sale under Rule 144: 3,524 shares Shares sold in past 3 months (June 4, 2026): 3,817 shares Proceeds from June 4, 2026 sale: $278,259.30 +3 more

6 metrics

Shares proposed for sale under Rule 144 3,524 shares Common stock from restricted stock vesting dated September 1, 2026

Shares sold in past 3 months (June 4, 2026) 3,817 shares Common stock sold on June 4, 2026

Proceeds from June 4, 2026 sale $278,259.30 Sale of 3,817 shares of common stock

Shares sold in past 3 months (September 3, 2026) 4,191 shares Common stock sold on September 3, 2026

Proceeds from September 3, 2026 sale $170,527.60 Sale of 4,191 shares of common stock

Market value reference in securities information $146,210.76 Associated with 3,524 shares of common stock in the securities information section

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact, Fidelity Brokerage Services LLC

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Common | 09/01/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Joseph Corso"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

Fidelity Brokerage Services LLC financial

"Common | Fidelity Brokerage Services LLC 900 Salem Street"

FAQ

What does NLIGHT, INC. (LASR) report in this Form 144 filing?

The filing reports that officer Joseph J. Corso has notified of his intent under Rule 144 to sell up to 3,524 shares of NLIGHT, INC. common stock obtained through restricted stock vesting on September 1, 2026.

How many NLIGHT (LASR) shares are proposed to be sold under this Form 144?

The notice states that 3,524 shares of NLIGHT, INC. common stock are proposed to be sold. These shares are tied to restricted stock vesting dated September 1, 2026 and are to be sold through Fidelity Brokerage Services LLC.

What prior NLIGHT (LASR) share sales by Joseph J. Corso are disclosed?

The filing lists two prior sales in the past three months: 3,817 shares of common stock sold on June 4, 2026 for $278,259.30, and 4,191 shares sold on September 3, 2026 for $170,527.60.

What is the source of the NLIGHT (LASR) shares being sold under Rule 144?

The shares proposed for sale, totaling 3,524, are identified as coming from Restricted Stock Vesting on September 1, 2026, with the transaction type described as Compensation and the issuer listed as NLIGHT, INC.

Which broker is handling the planned NLIGHT (LASR) Rule 144 sale?

The planned sale of 3,524 shares of NLIGHT, INC. common stock is to be executed through Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island, as stated in the securities information section of the filing.

Who signed the Form 144 related to NLIGHT, INC. (LASR)?

The Form 144 is signed “/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph Corso”, indicating execution on behalf of Joseph J. Corso under a power of attorney arrangement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/04/2026 - 11:13 AM Accepted by SEC EDGAR 09/04/2026 - 11:13 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001914846
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NLIGHT, INC.
SEC File Number	001-38462
Address of Issuer	4637 NW 18TH AVENUE CAMAS WASHINGTON 98607
Phone	360-566-4460
Name of Person for Whose Account the Securities are To Be Sold	Corso Joseph John
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	3524	146210.76	57690197	09/04/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/01/2026	Restricted Stock Vesting	Issuer			3524	09/01/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Joseph J. Corso 4637 NW 18th Avenue Camas WA 98607	Common	06/04/2026	3817	278259.30
Joseph J. Corso 4637 NW 18th Avenue Camas WA 98607	Common	09/03/2026	4191	170527.60

144: Remarks and Signature

Remarks
Date of Notice	09/04/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/15/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph Corso
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)