Insider · CIK 0001914846
Joseph John Corso
Files at LASR (NLIGHT, INC.). First filing Dec 5, 2023, latest Sep 8, 2026.
In brief
Joseph John Corso files SEC Form 4 as CFO at LASR (NLIGHT, INC.). Since Dec 5, 2023, Joseph John Corso has reported 0 open-market buys worth $0 and 15 open-market sells worth $15M, the latest filed on Sep 8, 2026.
A track record needs three past buys with six months of prices behind them; Joseph John Corso has 0, so none is measured yet.
The newest scored trade: sold $317k of LASR on Sep 3, 2026, filed Sep 8, 2026, scored 31 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 7 sells worth $12M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
LASR: NLIGHT, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 31Weak | NLIGHT, INC. | $317k 7,715 shares | -5% | +48% from low-51% from high | |
| 36Weak | NLIGHT, INC. | $578k 7,657 shares | -4% | +367% from low-10% from high | |
| 47Moderate | NLIGHT, INC. | $3.9M 55,719 shares | -24% | +449% from low-18% from high | |
| 67Notable | NLIGHT, INC. | $2.8M 38,020 shares | -14% | +498% from low-11% from high | |
| 47Moderate | NLIGHT, INC. | $1.6M 25,328 shares | -13% | +871% from low-8% from high | |
| 52Moderate | NLIGHT, INC. | $2.4M 66,075 shares | -25% | +467% from low-5% from high | |
| 48Moderate | NLIGHT, INC. | $139k 4,127 shares | -2% | +430% from low-6% from high | |
| 30Weak | NLIGHT, INC. | $226k 7,700 shares | -3% | +359% from low-1% from high | |
| 47Moderate | NLIGHT, INC. | $1.1M 38,284 shares | -12% | +344% from low0% from high | |
| 58Moderate | NLIGHT, INC. | $683k 25,520 shares | -8% | +303% from low-6% from high | |
| 53Moderate | NLIGHT, INC. | $382k 14,440 shares | -4% | +325% from low-1% from high | |
| 22Weak | NLIGHT, INC. | $177k 10,062 shares | -6% | +180% from low-1% from high | |
| 17Weak | NLIGHT, INC. | $57k 6,682 shares | -5% | - | |
| 25Weak | NLIGHT, INC. | $71k 6,522 shares | -4% | - | |
| 57Moderate | NLIGHT, INC. | $347k 26,242 shares | -14% | +63% from low-15% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 4, 2026 | LASR NLIGHT, INC. | 3,524 0.01% of outstanding | $146k | Sep 4, 2026 | $449k |
| Sep 3, 2026 | LASR NLIGHT, INC. | 4,191 0.01% of outstanding | $171k | Sep 3, 2026 | $578k |
| Jun 4, 2026 | LASR NLIGHT, INC. | 3,817 0.01% of outstanding | $278k | Jun 4, 2026 | $8.5M |
| Jun 3, 2026 | LASR NLIGHT, INC. | 3,840 0.01% of outstanding | $299k | Jun 3, 2026 | $8.2M |
| May 20, 2026 | LASR NLIGHT, INC. | 35,476 0.06% of outstanding | $2.5M | May 20, 2026 | $5.7M |
| May 19, 2026 | LASR NLIGHT, INC. | 20,243 0.04% of outstanding | $1.4M | May 19, 2026 | $4.3M |
| May 18, 2026 | LASR NLIGHT, INC. | 19,575 0.03% of outstanding | $1.4M | May 18, 2026 | $2.9M |
| May 15, 2026 | LASR NLIGHT, INC. | 18,445 0.03% of outstanding | $1.4M | May 15, 2026 | $1.6M |
| Mar 6, 2026 | LASR NLIGHT, INC. | 12,290 0.02% of outstanding | $742k | Mar 6, 2026 | $3.2M |
| Mar 5, 2026 | LASR NLIGHT, INC. | 13,038 0.02% of outstanding | $808k | Mar 5, 2026 | $2.4M |
| Dec 15, 2025 | LASR NLIGHT, INC. | 66,075 0.13% of outstanding | $2.4M | Dec 15, 2025 | $139k |
| Dec 3, 2025 | LASR NLIGHT, INC. | 4,127 0.01% of outstanding | $139k | Dec 3, 2025 | $226k |
| Sep 5, 2025 | LASR NLIGHT, INC. | 3,588 0.01% of outstanding | $107k | Sep 5, 2025 | $2.4M |
| Sep 4, 2025 | LASR NLIGHT, INC. | 4,112 0.01% of outstanding | $120k | Sep 4, 2025 | $2.3M |
| Aug 25, 2025 | LASR NLIGHT, INC. | 38,284 0.08% of outstanding | $1.1M | Aug 25, 2025 | $1.2M |
| Aug 22, 2025 | LASR NLIGHT, INC. | 8,007 0.02% of outstanding | $227k | Aug 22, 2025 | $1.0M |
| Aug 21, 2025 | LASR NLIGHT, INC. | 8,619 0.02% of outstanding | $228k | Aug 21, 2025 | $787k |
| Aug 20, 2025 | LASR NLIGHT, INC. | 8,894 0.02% of outstanding | $228k | Aug 20, 2025 | $559k |
| Aug 19, 2025 | LASR NLIGHT, INC. | 8,449 0.02% of outstanding | $222k | Aug 19, 2025 | $337k |
| Aug 18, 2025 | LASR NLIGHT, INC. | 5,991 0.01% of outstanding | $160k | Aug 18, 2025 | $177k |
| Jun 13, 2025 | LASR NLIGHT, INC. | 10,062 0.02% of outstanding | $177k | Jun 13, 2025 | none |
| Mar 4, 2025 | LASR NLIGHT, INC. | 4,182 0.01% of outstanding | $34k | Mar 4, 2025 | $23k |
| Mar 3, 2025 | LASR NLIGHT, INC. | 2,500 0.01% of outstanding | $23k | Mar 3, 2025 | $44k |
| Dec 3, 2024 | LASR NLIGHT, INC. | 4,022 0.01% of outstanding | $44k | Dec 3, 2024 | $244k |
| Dec 2, 2024 | LASR NLIGHT, INC. | 2,500 0.01% of outstanding | $27k | Dec 2, 2024 | $217k |
Transactions
Every row this insider has filed, 40 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 3, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -4,191 | $40.69 | $171k | 165,724 | 35 d ago |
| Sep 4, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -3,524 | $41.49 | $146k | 162,200 | 35 d ago |
| Jun 3, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -3,840 | $77.99 | $299k | 173,732 | Jun 5, 2026 |
| Jun 4, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -3,817 | $72.90 | $278k | 169,915 | Jun 5, 2026 |
| May 19, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -20,243 | $68.48 | $1.4M | 213,048 | May 21, 2026 |
| May 20, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -1,903 | $68.81 | $131k | 211,145 | May 21, 2026 |
| May 20, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -12,946 | $69.98 | $906k | 198,199 | May 21, 2026 |
| May 20, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -19,090 | $70.77 | $1.4M | 179,109 | May 21, 2026 |
| May 20, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -1,537 | $71.36 | $110k | 177,572 | May 21, 2026 |
| May 15, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -18,445 | $75.16 | $1.4M | 252,451 | May 19, 2026 |
| May 18, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -19,575 | $70.82 | $1.4M | 233,291 | May 19, 2026 |
| May 5, 2026 | LASR NLIGHT, INC. | AGrant or award Common Stock | +100,000 | $0.00 | $0 | 270,896 | May 7, 2026 |
| Mar 5, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -13,038 | $61.96 | $808k | 183,186 | Mar 9, 2026 |
| Mar 6, 2026 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -12,290 | $60.39 | $742k | 170,896 | Mar 9, 2026 |
| Dec 15, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -64,000 | $36.30 | $2.3M | 198,299 | Dec 17, 2025 |
| Dec 15, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -2,075 | $36.86 | $76k | 196,224 | Dec 17, 2025 |
| Dec 3, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -4,127 | $33.78 | $139k | 262,299 | Dec 5, 2025 |
| Sep 4, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -4,112 | $29.14 | $120k | 269,006 | Sep 8, 2025 |
| Sep 5, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -3,588 | $29.73 | $107k | 265,418 | Sep 8, 2025 |
| Aug 25, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -12,191 | $27.92 | $340k | 299,211 | Aug 27, 2025 |
| Aug 25, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -26,093 | $28.47 | $743k | 273,118 | Aug 27, 2025 |
| Aug 20, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -8,894 | $25.67 | $228k | 328,028 | Aug 22, 2025 |
| Aug 21, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -8,619 | $26.49 | $228k | 319,409 | Aug 22, 2025 |
| Aug 22, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -8,007 | $28.33 | $227k | 311,402 | Aug 22, 2025 |
| Aug 18, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -5,991 | $26.69 | $160k | 345,371 | Aug 20, 2025 |
| Aug 19, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -8,449 | $26.28 | $222k | 336,922 | Aug 20, 2025 |
| Aug 13, 2025 | LASR NLIGHT, INC. | AGrant or award Common Stock | +100,000 | $0.00 | $0 | 351,362 | Aug 15, 2025 |
| Aug 5, 2025 | LASR NLIGHT, INC. | AGrant or award Common Stock | +85,000 | $0.00 | $0 | 251,362 | Aug 7, 2025 |
| Jun 13, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -10,062 | $17.62 | $177k | 166,362 | Jun 17, 2025 |
| Jun 2, 2025 | LASR NLIGHT, INC. | FTax withholding Common Stock | -6,705 | $15.59 | $105k | 176,424 | Jun 4, 2025 |
| May 22, 2025 | LASR NLIGHT, INC. | AGrant or award Common Stock | +50,000 | $0.00 | $0 | 181,956 | May 27, 2025 |
| Mar 3, 2025 | LASR NLIGHT, INC. | FTax withholding Common Stock10b5-1 | -10,506 | $8.30 | $87k | 138,638 | Mar 5, 2025 |
| Mar 3, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -2,500 | $9.24 | $23k | 136,138 | Mar 5, 2025 |
| Mar 4, 2025 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -4,182 | $8.18 | $34k | 131,956 | Mar 5, 2025 |
| Dec 2, 2024 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -2,500 | $10.92 | $27k | 155,129 | Dec 4, 2024 |
| Dec 2, 2024 | LASR NLIGHT, INC. | FTax withholding Common Stock10b5-1 | -1,963 | $11.06 | $22k | 153,166 | Dec 4, 2024 |
| Dec 3, 2024 | LASR NLIGHT, INC. | SOpen-market sale Common Stock10b5-1 | -4,022 | $10.84 | $44k | 149,144 | Dec 4, 2024 |
| Dec 1, 2023 | LASR NLIGHT, INC. | FTax withholding Common Stock | -884 | $13.43 | $12k | 193,076 | Dec 5, 2023 |
| Dec 1, 2023 | LASR NLIGHT, INC. | SOpen-market sale Common Stock | -26,242 | $13.24 | $347k | 166,834 | Dec 5, 2023 |
| Nov 15, 2023 | LASR NLIGHT, INC. | AGrant or award Common Stock | +1,000 | $9.67 | $9,673 | 193,960 | Nov 17, 2023 |
Questions about Joseph John Corso
Answered from the filings on this page, as of the latest one.
Is Joseph John Corso buying or selling?
In the last 12 months Joseph John Corso reported 0 open-market buys worth $0 and 7 open-market sells worth $12M on SEC Form 4; the latest was sold $317k of LASR on Sep 3, 2026. Grants, option exercises and tax withholding are not counted.
How did Joseph John Corso's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Joseph John Corso has 0.
Where does Joseph John Corso file Form 4?
Joseph John Corso has filed Form 4 at LASR (NLIGHT, INC.) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.