SEC Form 4 · accession 0001628280-26-058970

NLIGHT, INC. · LASR

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Scott H Keeney

Officer — President and CEO · Director

Period of report

Aug 21, 2026

Accepted (ET)

Aug 25, 2026 · 7:37 pm EDT

Rule 10b5-1 plan

yes — trade under a plan

Issuer CIK

0001124796

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1	Aug 21, 2026	M	99,706	$1.45	A	2,284,745	D
Common Stock^F1	Aug 21, 2026	M	82,044	$1.45	A	2,366,789	D
Common Stock^F3,F2,F1	Aug 21, 2026	S	64,729	$46.29	D	2,302,060	D
Common Stock^F4,F2,F1	Aug 21, 2026	S	112,470	$47.15	D	2,189,590	D
Common Stock^F5,F2,F1	Aug 21, 2026	S	2,459	$47.92	D	2,187,131	D
Common Stock^F6,F2,F1	Aug 21, 2026	S	2,092	$48.97	D	2,185,039	D
Common Stock^F1	Aug 24, 2026	M	181,750	$1.45	A	2,366,789	D
Common Stock^F7,F2,F1	Aug 24, 2026	S	155,008	$44.03	D	2,211,781	D
Common Stock^F8,F2,F1	Aug 24, 2026	S	25,039	$44.79	D	2,186,742	D
Common Stock^F9,F2,F1	Aug 24, 2026	S	1,703	$45.92	D	2,185,039	D
Common Stock^F10	holding	—	—		—	501	I	By Keeney Family Revocable Trust

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Option (Right to Buy)^F11	$1.45	Aug 21, 2026	M	D	—	Jun 2, 2027	Common Stock	99,706	0	D
Stock Option (Right to Buy)^F12	$1.45	Aug 21, 2026	M	D	—	Jun 2, 2027	Common Stock	82,044	181,750	D
Stock Option (Right to Buy)^F12	$1.45	Aug 24, 2026	M	D	—	Jun 2, 2027	Common Stock	181,750	0	D

Explanation of responses

F1Includes common stock owned and unvested restricted stock units.
F10Keeney Family Revocable Trust is a revocable living trust for which the reporting person and his spouse are trustees.
F11This grant became fully vested and exercisable on June 1, 2022.
F12This grant became fully vested and exercisable on December 1, 2021.
F2This reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2026.
F3The reported transaction involves sale transactions from $45.72 to $46.71 per share. The weighted average price per share was $46.29. 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.
F4The reported transaction involves sale transactions from $46.72 to $47.71 per share. The weighted average price per share was $47.15. 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.
F5The reported transaction involves sale transactions from $47.72 to $48.71 per share. The weighted average price per share was $47.92. 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.
F6The reported transaction involves sale transactions from $48.72 to $49.16 per share. The weighted average price per share was $48.97. 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.
F7The reported transaction involves sale transactions from $43.54 to $44.54 per share. The weighted average price per share was $44.03. 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.
F8The reported transaction involves sale transactions from $44.54 to $45.51 per share. The weighted average price per share was $44.79. 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.
F9The reported transaction involves sale transactions from $45.54 to $46.48 per share. The weighted average price per share was $45.92. 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.