Corso Joseph John 4
4 · NLIGHT, INC. · Filed Jun 5, 2026
Research Summary
AI-generated summary of this filing
NLIGHT (LASR) CFO Joseph Corso Sells Shares
What Happened
Joseph John Corso, Chief Financial Officer of NLIGHT, sold a total of 7,657 shares in two open-market transactions: 3,840 shares on 2026-06-03 at $77.99 ($299,482) and 3,817 shares on 2026-06-04 at $72.90 ($278,259), for aggregate proceeds of approximately $577,741. These were sales (not purchases).
Key Details
- Transaction dates & prices: 2026-06-03 — 3,840 sh @ $77.99 (F2); 2026-06-04 — 3,817 sh @ $72.90 (F5). Total ≈ $577,741.
- Transaction type: Open-market sales (code S). Some sales were sell-to-cover to satisfy tax withholding on RSU vesting (F1); others were effected under a Rule 10b5-1 trading plan adopted 9/15/2025 (F4).
- Shares owned after transaction: Not specified in the filing; filing notes that amounts include common stock owned and unvested restricted stock units (F3).
- Filing: Report filed 2026-06-05 for transactions on 6/3 and 6/4 — appears timely under Form 4 reporting rules.
Context
- Sell-to-cover transactions are routine: shares are sold solely to cover tax withholding on vested restricted stock units and are not discretionary purchases/sales by the insider.
- Transactions executed under a Rule 10b5-1 plan are preplanned and reduce the extent to which the trades reflect current insider sentiment.
Insider Transaction Report
Form 4
NLIGHT, INC.LASR
Corso Joseph John
Chief Financial Officer
Transactions
- Sale
Common Stock
[F1][F2][F3]2026-06-03$77.99/sh−3,840$299,482→ 173,732 total - Sale
Common Stock
[F4][F5][F3]2026-06-04$72.90/sh−3,817$278,259→ 169,915 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 $77.99 to $77.99 per share. The weighted average price per share was $77.99. 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]Includes common stock owned and unvested restricted stock units.
- [F4]These reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.
- [F5]The reported transaction involves sale transactions from $72.90 to $72.90 per share. The weighted average price per share was $72.90. 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.
Signature
/s/ Julie Dimmick, as attorney-in-fact|2026-06-05