SEC Insider Transactions from Corso Joseph John.

Last updated: 2026-03-14 11:56 UTC | Total transactions: 45

Joseph John Corso, CFO of nLIGHT, Inc. ($LASR), sold shares on the open market fifteen times over the past year, totaling $6.6 million. His most recent sale occurred on March 6, 2026. These nLIGHT insider sales rank 1,563rd among 11,678 individual insiders in our database, below the average sale value of $8.6 million and average of about 6.4 transactions per insider. Corso made no open market purchases in the last 365 days.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 5, 2026 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 13038 $61.96 183,186.0000 50,786,007 6.64% 0.03%
March 6, 2026 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 12290 $60.39 170,896.0000 50,786,007 6.71% 0.02%
Dec. 15, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 2075 $36.86 196,224.0000 50,786,007 1.05% 0.00%
Dec. 15, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 64000 $36.30 198,299.0000 50,786,007 24.40% 0.13%
Dec. 3, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 4127 $33.78 262,299.0000 50,786,007 1.55% 0.01%
Sept. 5, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 3588 $29.73 265,418.0000 49,030,981 1.33% 0.01%
Sept. 4, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 4112 $29.14 269,006.0000 49,030,981 1.51% 0.01%
Aug. 25, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 12191 $27.92 299,211.0000 49,030,981 3.91% 0.02%
Aug. 25, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 26093 $28.47 273,118.0000 49,030,981 8.72% 0.05%
Aug. 21, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 8619 $26.49 319,409.0000 49,030,981 2.63% 0.02%
Aug. 22, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 8007 $28.33 311,402.0000 49,030,981 2.51% 0.02%
Aug. 20, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 8894 $25.67 328,028.0000 49,030,981 2.64% 0.02%
Aug. 18, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 5991 $26.69 345,371.0000 49,030,981 1.71% 0.01%
Aug. 19, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 8449 $26.28 336,922.0000 49,030,981 2.45% 0.02%
Aug. 13, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 100000 $0.00 351,362.0000 49,030,981 39.78% 0.20%
Aug. 5, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 85000 $0.00 251,362.0000 49,030,981 51.09% 0.17%
June 13, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 10062 $17.62 166,362.0000 49,030,981 5.70% 0.02%
June 2, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 6705 $15.59 176,424.0000 49,030,981 3.66% 0.01%
May 22, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 50000 $0.00 181,956.0000 49,030,981 37.89% 0.10%
March 4, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 4182 $8.18 131,956.0000 49,030,981 3.07% 0.01%
March 3, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 10506 $8.30 138,638.0000 49,030,981 7.04% 0.02%
March 3, 2025 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 2500 $9.24 136,138.0000 49,030,981 1.80% 0.01%
Dec. 2, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 1963 $11.06 153,166.0000 0 1.27% 0.00%
Dec. 2, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 2500 $10.92 155,129.0000 0 1.59% 0.00%
Dec. 3, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 4022 $10.84 149,144.0000 0 2.63% 0.00%
Sept. 4, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 14915 $11.14 156,519.0000 0 8.70% 0.00%
Sept. 3, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 4461 $11.44 171,434.0000 0 2.54% 0.00%
Sept. 3, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 7237 $11.11 175,895.0000 0 3.95% 0.00%
Aug. 19, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 933 $11.72 183,132.0000 0 0.51% 0.00%
June 3, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 3643 $12.65 194,078.0000 0 1.84% 0.00%
June 3, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 2500 $13.29 191,578.0000 0 1.29% 0.00%
June 4, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 7513 $12.09 184,065.0000 0 3.92% 0.00%
May 15, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 1120 $9.28 197,721.0000 0 0.57% 0.00%
April 8, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 50000 $0.00 196,601.0000 0 34.11% 0.00%
March 18, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 14105 $12.26 146,601.0000 0 8.78% 0.00%
March 1, 2024 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 6128 $13.04 160,706.0000 0 3.67% 0.00%
Dec. 1, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer S Common Stock 26242 $13.24 166,834.0000 0 13.59% 0.00%
Dec. 1, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 884 $13.43 193,076.0000 0 0.46% 0.00%
Nov. 15, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 1000 $9.67 193,960.0000 0 0.52% 0.00%
Sept. 1, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 5937 $11.46 192,960.0000 0 2.98% 0.00%
Aug. 17, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 2667 $11.03 198,897.0000 0 1.32% 0.00%
Aug. 4, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 7467 $0.00 201,564.0000 0 3.85% 0.00%
June 1, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 5111 $14.03 194,097.0000 0 2.57% 0.00%
April 17, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer A Common Stock 50000 $0.00 198,208.0000 0 33.74% 0.00%
March 1, 2023 NLIGHT, INC. $LASR Corso Joseph John Chief Financial Officer F Common Stock 742 $11.27 148,208.0000 0 0.50% 0.00%