| 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 | 05 Dec 2025 | 0001914846 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LASR | Common Stock | Sale | -$139K | -4.13K | -1.55% | $33.78 | 262K | 03 Dec 2025 | Direct | F1, F2, F3, F4 |
| Id | Content |
|---|---|
| F1 | The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person. |
| F2 | The reported transaction involves sale transactions from $33.78 to $33.78 per share. The weighted average price per share was $33.78. 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. |
| F3 | Includes common stock owned and unvested restricted stock units. |
| F4 | 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. |