NLIGHT, INC.·4

May 19, 8:02 PM ET

Corso Joseph John 4

4 · NLIGHT, INC. · Filed May 19, 2026

Research Summary

AI-generated summary of this filing

Updated

NLIGHT (LASR) CFO Joseph Corso Sells 38,020 Shares

What Happened Joseph John Corso, Chief Financial Officer of NLIGHT, sold a total of 38,020 shares in two transactions: 18,445 shares on 2026-05-15 at $75.16 each ($1,386,326) and 19,575 shares on 2026-05-18 at $70.82 each ($1,386,301). Total proceeds were roughly $2.77 million. These were sales (not purchases) and were reported as sell-to-cover actions tied to tax withholding on vested restricted stock units.

Key Details

  • Transaction dates and prices: 2026-05-15 — 18,445 shares @ $75.16; 2026-05-18 — 19,575 shares @ $70.82.
  • Total shares sold: 38,020; total proceeds ≈ $2,772,627.
  • Reported reason: Footnote states the sales were mandated "sell to cover" transactions to satisfy tax withholding on RSU vesting (not discretionary trades).
  • Footnote clarifications: weighted average prices match the per-share prices reported; the filing offers to provide per-price breakdowns on request. Ownership figures include common stock, unvested RSUs, and ESPP shares (ESPP purchases for the period Nov 16, 2025–May 15, 2026 were at 85% of the Nov 17, 2025 close).
  • Filing timeliness: Form 4 filed 2026-05-19; the filing covers transactions on 2026-05-15 and 2026-05-18 and was timely under the two-business-day rule.

Context Sell-to-cover transactions are routine when RSUs vest and are used solely to cover tax obligations; they do not necessarily indicate the insider's view on company prospects. For retail investors, outright purchases by insiders typically carry more weight as a bullish signal than routine tax-related sales.

Insider Transaction Report

Form 4
Period: 2026-05-15
Corso Joseph John
Chief Financial Officer
Transactions
  • Sale

    Common Stock

    [F1][F2][F3]
    2026-05-15$75.16/sh18,445$1,386,326252,451 total
  • Sale

    Common Stock

    [F1][F4][F3][F5]
    2026-05-18$70.82/sh19,575$1,386,301233,291 total
Footnotes (5)
  • [F1]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]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]Includes common stock owned and unvested restricted stock units.
  • [F4]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.
  • [F5]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.
Signature
/s/ Julie Dimmick, as attorney-in-fact|2026-05-19

Documents

1 file
  • 4
    wk-form4_1779235374.xmlPrimary

    FORM 4