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Nasdaq · USD

LASR

NLIGHT, INC.

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Tapewire entity
4397
SEC CIK
0001124796
Parsed reports
416

Last 12 months

Inside the activity.

0 purchase rows · 95 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202502
Dec 202508
Jan 202604
Feb 202600
Mar 2026019
Apr 202600
May 2026035
Jun 2026010
Jul 202600
Aug 202608
Sep 202609
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
May 28, 2026 Filed Jun 1, 2026 23:40 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 9,861 $79.14 $780,399.54
Disclosure

SEC source: 0001628280-26-039649 · wk-form4_1780357222.xml · nonDerivative · entry 3

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,256,192

F1 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F5 · price: The reported transaction involves sale transactions from $78.77 to $79.75 per share. The weighted average price per share was $79.14. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 28, 2026 Filed Jun 1, 2026 23:40 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 21,326 $78.29 $1,669,612.54
Disclosure

SEC source: 0001628280-26-039649 · wk-form4_1780357222.xml · nonDerivative · entry 2

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,266,053

F1 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F4 · price: The reported transaction involves sale transactions from $77.76 to $78.76 per share. The weighted average price per share was $78.29. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 28, 2026 Filed Jun 1, 2026 23:40 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 5,394 $77.44 $417,711.36
Disclosure

SEC source: 0001628280-26-039649 · wk-form4_1780357222.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,287,379

F1 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F2 · price: The reported transaction involves sale transactions from $76.76 to $77.76 per share. The weighted average price per share was $77.44. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 21, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 3,267 $76.46 $249,794.82
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 11

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,292,773

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F14 · price: The reported transaction involves sale transactions from $76.33 to $76.81 per share. The weighted average price per share was $76.46. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 21, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 16,590 $75.80 $1,257,522.00
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 10

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,296,040

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F13 · price: The reported transaction involves sale transactions from $75.33 to $76.30 per share. The weighted average price per share was $75.80. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 21, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 16,842 $74.96 $1,262,476.32
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 9

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,312,630

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F12 · price: The reported transaction involves sale transactions from $74.33 to $75.31 per share. The weighted average price per share was $74.96. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 21, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 2,068 $73.73 $152,473.64
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 8

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,329,472

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F11 · price: The reported transaction involves sale transactions from $73.28 to $74.27 per share. The weighted average price per share was $73.73. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 21, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 1,717 $72.93 $125,220.81
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 7

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,331,540

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F10 · price: The reported transaction involves sale transactions from $72.27 to $73.26 per share. The weighted average price per share was $72.93. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 21, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 889 $71.47 $63,536.83
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 6

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,333,257

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F9 · price: The reported transaction involves sale transactions from $71.18 to $72.00 per share. The weighted average price per share was $71.47. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:29 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 1,537 $71.36 $109,680.32
Disclosure

SEC source: 0001628280-26-037494 · wk-form4_1779409753.xml · nonDerivative · entry 5

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 177,572

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

F8 · price: The reported transaction involves sale transactions from $71.31 to $71.58 per share. The weighted average price per share was $71.36. 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.

F3 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:29 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 19,090 $70.77 $1,350,999.30
Disclosure

SEC source: 0001628280-26-037494 · wk-form4_1779409753.xml · nonDerivative · entry 4

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,109

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

F7 · price: The reported transaction involves sale transactions from $70.31 to $71.30 per share. The weighted average price per share was $70.77. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:29 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 12,946 $69.98 $905,961.08
Disclosure

SEC source: 0001628280-26-037494 · wk-form4_1779409753.xml · nonDerivative · entry 3

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 198,199

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

F6 · price: The reported transaction involves sale transactions from $69.31 to $70.31 per share. The weighted average price per share was $69.98. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:29 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 1,903 $68.81 $130,945.43
Disclosure

SEC source: 0001628280-26-037494 · wk-form4_1779409753.xml · nonDerivative · entry 2

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 211,145

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

F5 · price: The reported transaction involves sale transactions from $68.31 to $69.29 per share. The weighted average price per share was $68.81. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:27 UTC
Nias JamesChief Accounting Officer
SaleCommon Stock 415 $71.09 $29,502.35
Disclosure

SEC source: 0001628280-26-037493 · wk-form4_1779409656.xml · nonDerivative · entry 2

Nias James · CIK 0001914730 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 98,561

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 8, 2025.

F5 · price: The reported transaction involves sale transactions from $71.09 to $71.09 per share. The weighted average price per share was $71.09. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 1,788 $71.36 $127,591.68
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 5

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,334,146

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F8 · price: The reported transaction involves sale transactions from $71.31 to $71.58 per share. The weighted average price per share was $71.36. 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.

F3 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 22,264 $70.77 $1,575,623.28
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 4

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,335,934

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F7 · price: The reported transaction involves sale transactions from $70.31 to $71.30 per share. The weighted average price per share was $70.77. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 15,104 $69.98 $1,056,977.92
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 3

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,358,198

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F6 · price: The reported transaction involves sale transactions from $69.31 to $70.31 per share. The weighted average price per share was $69.98. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 20, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 2,217 $68.81 $152,551.77
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 2

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,373,302

F4 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F5 · price: The reported transaction involves sale transactions from $68.31 to $69.29 per share. The weighted average price per share was $68.81. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 19, 2026 Filed May 22, 2026 00:29 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 20,243 $68.48 $1,386,240.64
Disclosure

SEC source: 0001628280-26-037494 · wk-form4_1779409753.xml · nonDerivative · entry 1

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 213,048

F1 · shares: This reported sale 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 · price: The reported transaction involves sale transactions from $68.48 to $68.48 per share. The weighted average price per share was $68.48. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 19, 2026 Filed May 22, 2026 00:27 UTC
Nias JamesChief Accounting Officer
SaleCommon Stock 1,618 $68.48 $110,800.64
Disclosure

SEC source: 0001628280-26-037493 · wk-form4_1779409656.xml · nonDerivative · entry 1

Nias James · CIK 0001914730 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 98,976

F1 · shares: This reported sale 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 · price: The reported transaction involves sale transactions from $68.48 to $68.48 per share. The weighted average price per share was $68.48. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 19, 2026 Filed May 22, 2026 00:26 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 46,735 $68.48 $3,200,412.80
Disclosure

SEC source: 0001628280-26-037492 · wk-form4_1779409572.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,375,519

F1 · shares: This reported sale 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 · price: The reported transaction involves sale transactions from $68.48 to $68.48 per share. The weighted average price per share was $68.48. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 18, 2026 Filed May 20, 2026 00:02 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 19,575 $70.82 $1,386,301.50
Disclosure

SEC source: 0001628280-26-036681 · wk-form4_1779235374.xml · nonDerivative · entry 2

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,291

F1 · shares: This reported sale 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.

F4 · price: The reported transaction involves sale transactions from $70.82 to $70.82 per share. The weighted average price per share was $70.82. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

F5 · balance_after: Amount includes shares purchased pursuant to the nLIGHT, Inc. Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of November 16, 2025 through May 15, 2026. 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 November 17th, 2025.

Read SEC document
May 18, 2026 Filed May 19, 2026 23:59 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 45,191 $70.82 $3,200,426.62
Disclosure

SEC source: 0001628280-26-036678 · wk-form4_1779235181.xml · nonDerivative · entry 2

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,422,254

F1 · shares: This reported sale 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.

F4 · price: The reported transaction involves sale transactions from $70.82 to $70.82 per share. The weighted average price per share was $70.82. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 18, 2026 Filed May 20, 2026 00:00 UTC
Nias JamesChief Accounting Officer
SaleCommon Stock 1,565 $70.82 $110,833.30
Disclosure

SEC source: 0001628280-26-036679 · wk-form4_1779235247.xml · nonDerivative · entry 2

Nias James · CIK 0001914730 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,594

F1 · shares: This reported sale 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.

F4 · price: The reported transaction involves sale transactions from $70.82 to $70.82 per share. The weighted average price per share was $70.82. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

F5 · balance_after: Amount includes shares purchased pursuant to the nLIGHT, Inc. Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of November 16, 2025 through May 15, 2026. 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 November 17th, 2025.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:02 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 18,445 $75.16 $1,386,326.20
Disclosure

SEC source: 0001628280-26-036681 · wk-form4_1779235374.xml · nonDerivative · entry 1

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,451

F1 · shares: This reported sale 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 · price: The reported transaction involves sale transactions from $75.16 to $75.16 per share. The weighted average price per share was $75.16. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 15, 2026 Filed May 19, 2026 23:59 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 42,584 $75.16 $3,200,613.44
Disclosure

SEC source: 0001628280-26-036678 · wk-form4_1779235181.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,467,445

F1 · shares: This reported sale 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 · price: The reported transaction involves sale transactions from $75.16 to $75.16 per share. The weighted average price per share was $75.16. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 15, 2026 Filed May 20, 2026 00:00 UTC
Nias JamesChief Accounting Officer
SaleCommon Stock 1,487 $75.16 $111,762.92
Disclosure

SEC source: 0001628280-26-036679 · wk-form4_1779235247.xml · nonDerivative · entry 1

Nias James · CIK 0001914730 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,744

F1 · shares: This reported sale 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 · price: The reported transaction involves sale transactions from $75.16 to $75.16 per share. The weighted average price per share was $75.16. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 05, 2026 Filed May 7, 2026 23:41 UTC
Corso Joseph JohnChief Financial Officer
GrantCommon Stock 100,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-032475 · wk-form4_1778197302.xml · nonDerivative · entry 1

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 270,896

F1 · shares: 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 May 5, 2026, 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 May 14, 2026, subject to continued service with the Issuer through such date.

F2 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 05, 2026 Filed May 7, 2026 23:39 UTC
Keeney Scott HDirector · President and CEO
GrantCommon Stock 300,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-032474 · wk-form4_1778197195.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,510,029

F1 · shares: 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 May 5, 2026, 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 May 14, 2026, subject to continued service with the Issuer through such date.

F2 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
May 05, 2026 Filed May 7, 2026 23:39 UTC
Nias JamesChief Accounting Officer
GrantCommon Stock 9,332 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-032473 · wk-form4_1778197137.xml · nonDerivative · entry 1

Nias James · CIK 0001914730 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,231

F1 · shares: 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 May 5, 2026, 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 May 14, 2026, subject to continued service with the Issuer through such date.

F2 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
April 27, 2026 Filed Apr 29, 2026 22:04 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 500 $0.00 Strike: $1.45 $0.00
Disclosure

SEC source: 0001628280-26-028498 · wk-form4_1777500289.xml · derivative · entry 2

LINK RAYMOND A · CIK 0001221193 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 500 shares

Expires 2027-05-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: This grant became fully vested and exercisable on June 1, 2022.

Read SEC document
April 27, 2026 Filed Apr 29, 2026 22:04 UTC Exercise / conversionCommon Stock 500 $1.45 $725.00
Disclosure

SEC source: 0001628280-26-028498 · wk-form4_1777500289.xml · nonDerivative · entry 1

LINK RAYMOND A · CIK 0001221193 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,672

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 13, 2026 Filed Mar 14, 2026 00:48 UTC SaleCommon Stock 6,644 $63.28 $420,432.32
Disclosure

SEC source: 0001628280-26-017861 · wk-form4_1773449298.xml · nonDerivative · entry 3

LINK RAYMOND A · CIK 0001221193 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,172

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 11, 2025.

F5 · price: The reported transaction involves sale transactions from $63.28 to $63.28 per share. The weighted average price per share was $63.28. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 00:48 UTC SaleCommon Stock 8,760 $64.42 $564,319.20
Disclosure

SEC source: 0001628280-26-017861 · wk-form4_1773449298.xml · nonDerivative · entry 2

LINK RAYMOND A · CIK 0001221193 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,816

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 11, 2025.

F4 · price: The reported transaction involves sale transactions from $64.42 to $64.42 per share. The weighted average price per share was $64.42. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 00:46 UTC
Nias JamesChief Accounting Officer
SaleCommon Stock 1,808 $64.42 $116,471.36
Disclosure

SEC source: 0001628280-26-017860 · wk-form4_1773449174.xml · nonDerivative · entry 1

Nias James · CIK 0001914730 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 93,899

F1 · shares: This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 8, 2025.

F2 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 11, 2026 Filed Mar 14, 2026 00:48 UTC SaleCommon Stock 10,000 $62.79 $627,900.00
Disclosure

SEC source: 0001628280-26-017861 · wk-form4_1773449298.xml · nonDerivative · entry 1

LINK RAYMOND A · CIK 0001221193 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 92,576

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 11, 2025.

F2 · price: The reported transaction involves sale transactions from $62.79 to $62.79 per share. The weighted average price per share was $62.79. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 23:51 UTC
Locke GaryDirector
Exercise / conversionStock Option (Right to Buy) · Derivative 69,725 $0.00 Strike: $1.45 $0.00
Disclosure

SEC source: 0001628280-26-016970 · wk-form4_1773273114.xml · derivative · entry 2

Locke Gary · CIK 0001654708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 69,725 shares

Expires 2027-08-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: This grant became fully vested and exercisable on Aug 3, 2022.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 23:51 UTC
Locke GaryDirector
Exercise / conversionCommon Stock 69,725 $1.45 $101,101.25
Disclosure

SEC source: 0001628280-26-016970 · wk-form4_1773273114.xml · nonDerivative · entry 1

Locke Gary · CIK 0001654708 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,574

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 23:50 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 788 $61.08 $48,131.04
Disclosure

SEC source: 0001628280-26-016969 · wk-form4_1773273029.xml · nonDerivative · entry 5

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,210,029

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F7 · price: The reported transaction involves sale transactions from $61.02 to $61.17 per share. The weighted average price per share was $61.08. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 23:50 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 2,637 $60.73 $160,145.01
Disclosure

SEC source: 0001628280-26-016969 · wk-form4_1773273029.xml · nonDerivative · entry 4

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,210,817

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F6 · price: The reported transaction involves sale transactions from $60.02 to $61.01 per share. The weighted average price per share was $60.73. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 23:50 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 4,036 $59.12 $238,608.32
Disclosure

SEC source: 0001628280-26-016969 · wk-form4_1773273029.xml · nonDerivative · entry 3

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,213,454

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F5 · price: The reported transaction involves sale transactions from $58.74 to $59.69 per share. The weighted average price per share was $59.12. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 23:50 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 9,455 $58.23 $550,564.65
Disclosure

SEC source: 0001628280-26-016969 · wk-form4_1773273029.xml · nonDerivative · entry 2

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,217,490

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F4 · price: The reported transaction involves sale transactions from $57.72 to $58.71 per share. The weighted average price per share was $58.23. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 23:50 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 2,180 $57.48 $125,306.40
Disclosure

SEC source: 0001628280-26-016969 · wk-form4_1773273029.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,226,945

F1 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F2 · price: The reported transaction involves sale transactions from $56.72 to $57.71 per share. The weighted average price per share was $57.48. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 00:23 UTC
Corso Joseph JohnChief Financial Officer
SaleCommon Stock 12,290 $60.39 $742,193.10
Disclosure

SEC source: 0001628280-26-016190 · wk-form4_1773102191.xml · nonDerivative · entry 2

Corso Joseph John · CIK 0001914846 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 170,896

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

F5 · price: The reported transaction involves sale transactions from $60.39 to $60.39 per share. The weighted average price per share was $60.39. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 00:21 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 170 $63.40 $10,778.00
Disclosure

SEC source: 0001628280-26-016188 · wk-form4_1773102097.xml · nonDerivative · entry 7

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,229,125

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F10 · price: The reported transaction involves sale transactions from $63.31 to $63.48 per share. The weighted average price per share was $63.40. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 00:21 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 1,487 $62.87 $93,487.69
Disclosure

SEC source: 0001628280-26-016188 · wk-form4_1773102097.xml · nonDerivative · entry 6

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,229,295

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F9 · price: The reported transaction involves sale transactions from $62.31 to $63.30 per share. The weighted average price per share was $62.87. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 00:21 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 3,980 $61.62 $245,247.60
Disclosure

SEC source: 0001628280-26-016188 · wk-form4_1773102097.xml · nonDerivative · entry 5

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,230,782

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F8 · price: The reported transaction involves sale transactions from $61.31 to $62.30 per share. The weighted average price per share was $61.62. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 00:21 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 9,291 $60.87 $565,543.17
Disclosure

SEC source: 0001628280-26-016188 · wk-form4_1773102097.xml · nonDerivative · entry 4

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,234,762

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F7 · price: The reported transaction involves sale transactions from $60.31 to $61.30 per share. The weighted average price per share was $60.87. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 00:21 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 3,924 $59.99 $235,400.76
Disclosure

SEC source: 0001628280-26-016188 · wk-form4_1773102097.xml · nonDerivative · entry 3

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,244,053

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F6 · price: The reported transaction involves sale transactions from $59.31 to $60.30 per share. The weighted average price per share was $59.99. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 00:21 UTC
Keeney Scott HDirector · President and CEO
SaleCommon Stock 4,804 $58.58 $281,418.32
Disclosure

SEC source: 0001628280-26-016188 · wk-form4_1773102097.xml · nonDerivative · entry 2

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,247,977

F4 · shares: These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

F5 · price: The reported transaction involves sale transactions from $58.31 to $59.30 per share. The weighted average price per share was $58.58. 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 · balance_after: Includes common stock owned and unvested restricted stock units.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.