Corso Joseph John 4

4 · NLIGHT, INC. · Filed Mar 9, 2026

AI-generated summary of this filing

Updated Mar 10, 2026

NLIGHT (LASR) CFO Joseph Corso Sells Shares

What Happened

Joseph John Corso, Chief Financial Officer of NLIGHT, sold a total of 25,328 shares in two dispositions on March 5–6, 2026, raising about $1,550,027. The sales were disposals (not purchases): 13,038 shares at $61.96 for $807,834 (Mar 5) and 12,290 shares at $60.39 for $742,193 (Mar 6). These were open-market/private sales reported on a Form 4 filed March 9, 2026.

Key Details

Transaction dates & prices:
- 2026-03-05: 13,038 shares sold at $61.96 — $807,834 (footnote F1/F2)
- 2026-03-06: 12,290 shares sold at $60.39 — $742,193 (footnote F4/F5)
Total: 25,328 shares sold for approximately $1,550,027.
Shares owned after transaction: Not specified in the supplied data (footnote F3 indicates ownership figures include common stock and unvested RSUs).
Notable footnotes:
- F1: The Mar 5 sale represented a sell-to-cover to satisfy tax withholding on vested RSUs (mandated transaction, not discretionary).
- F4: The Mar 6 sale was effected pursuant to a Rule 10b5-1 trading plan adopted Sept 15, 2025.
- F2/F5: Weighted-average price details for each reported sale; seller will provide per-price breakdown if requested.
Filing timeliness: Form 4 was filed on 2026-03-09; this filing date is within the standard two-business-day reporting window for the reported trades (timely).

Context

These were sales, not purchases. Sell-to-cover transactions and trades made under an existing 10b5-1 plan are commonly routine mechanisms (tax withholding and pre-planned sales) and do not necessarily indicate a change in the insider’s view of company prospects. Purchases would be a stronger direct bullish signal for retail investors.

Form 4

Period: 2026-03-05

Chief Financial Officer

Transactions

Sale
Common Stock
[F1][F2][F3]
2026-03-05$61.96/sh−13,038$807,834→ 183,186 total
Sale
Common Stock
[F4][F5][F3]
2026-03-06$60.39/sh−12,290$742,193→ 170,896 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 $61.96 to $61.96 per share. The weighted average price per share was $61.96. 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]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 $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.

Signature

/s/ Julie Dimmick, as attorney-in-fact|2026-03-09

1 file