Joseph John Corso

CIK: 0001914846

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)32 (80.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (10.0%)

Compensation grants

Other (G, F, J, C, D, …)4 (10.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

LASR

NLIGHT, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (40 total)

LASR
NLIGHT, INC.
Sep 4, 2026
Sale(S)
Direct
3.5K shares at avg. $41.49$146K
LASR
NLIGHT, INC.
Sep 3, 2026
Sale(S)
Direct
4.2K shares at avg. $40.69$171K
LASR
NLIGHT, INC.
Jun 4, 2026
Sale(S)
Direct
3.8K shares at avg. $72.90$278K
LASR
NLIGHT, INC.
Jun 3, 2026
Sale(S)
Direct
3.8K shares at avg. $77.99$299K
LASR
NLIGHT, INC.
May 20, 2026
Sale(S)
Direct
1.9K shares at avg. $68.81$131K
LASR
NLIGHT, INC.
May 20, 2026
Sale(S)
Direct
1.5K shares at avg. $71.36$110K
LASR
NLIGHT, INC.
May 20, 2026
Sale(S)
Direct
19.1K shares at avg. $70.77$1.4M
LASR
NLIGHT, INC.
May 20, 2026
Sale(S)
Direct
12.9K shares at avg. $69.98$906K
LASR
NLIGHT, INC.
May 19, 2026
Sale(S)
Direct
20.2K shares at avg. $68.48$1.4M
LASR
NLIGHT, INC.
May 18, 2026
Sale(S)
Direct
19.6K shares at avg. $70.82$1.4M
LASR
NLIGHT, INC.
May 15, 2026
Sale(S)
Direct
18.4K shares at avg. $75.16$1.4M
LASR
NLIGHT, INC.
May 5, 2026
Award(A)
Direct
100K shares-
LASR
NLIGHT, INC.
Mar 6, 2026
Sale(S)
Direct
12.3K shares at avg. $60.39$742K
LASR
NLIGHT, INC.
Mar 5, 2026
Sale(S)
Direct
13K shares at avg. $61.96$808K
LASR
NLIGHT, INC.
Dec 15, 2025
Sale(S)
Direct
2.1K shares at avg. $36.86$76K
LASR
NLIGHT, INC.
Dec 15, 2025
Sale(S)
Direct
64K shares at avg. $36.30$2.3M
LASR
NLIGHT, INC.
Dec 3, 2025
Sale(S)
Direct
4.1K shares at avg. $33.78$139K
LASR
NLIGHT, INC.
Sep 5, 2025
Sale(S)
Direct
3.6K shares at avg. $29.73$107K
LASR
NLIGHT, INC.
Sep 4, 2025
Sale(S)
Direct
4.1K shares at avg. $29.14$120K
LASR
NLIGHT, INC.
Aug 25, 2025
Sale(S)
Direct
26.1K shares at avg. $28.47$743K
LASR
NLIGHT, INC.
Aug 25, 2025
Sale(S)
Direct
12.2K shares at avg. $27.92$340K
LASR
NLIGHT, INC.
Aug 22, 2025
Sale(S)
Direct
8K shares at avg. $28.33$227K
LASR
NLIGHT, INC.
Aug 21, 2025
Sale(S)
Direct
8.6K shares at avg. $26.49$228K
LASR
NLIGHT, INC.
Aug 20, 2025
Sale(S)
Direct
8.9K shares at avg. $25.67$228K
LASR
NLIGHT, INC.
Aug 19, 2025
Sale(S)
Direct
8.4K shares at avg. $26.28$222K

		Type	Shares	Price		Ownership
Sep 4, 2026	LASR NLIGHT, INC.	Sale(S)	3,524	$41.49	$146,211	Direct
Sep 3, 2026	LASR NLIGHT, INC.	Sale(S)	4,191	$40.69	$170,532	Direct
Jun 4, 2026	LASR NLIGHT, INC.	Sale(S)	3,817	$72.90	$278,259	Direct
Jun 3, 2026	LASR NLIGHT, INC.	Sale(S)	3,840	$77.99	$299,482	Direct
May 20, 2026	LASR NLIGHT, INC.	Sale(S)	1,903	$68.81	$130,945	Direct
May 20, 2026	LASR NLIGHT, INC.	Sale(S)	1,537	$71.36	$109,680	Direct
May 20, 2026	LASR NLIGHT, INC.	Sale(S)	19,090	$70.77	$1,350,999	Direct
May 20, 2026	LASR NLIGHT, INC.	Sale(S)	12,946	$69.98	$905,961	Direct
May 19, 2026	LASR NLIGHT, INC.	Sale(S)	20,243	$68.48	$1,386,241	Direct
May 18, 2026	LASR NLIGHT, INC.	Sale(S)	19,575	$70.82	$1,386,301	Direct
May 15, 2026	LASR NLIGHT, INC.	Sale(S)	18,445	$75.16	$1,386,326	Direct
May 5, 2026	LASR NLIGHT, INC.	Award(A)	100,000	-	$0	Direct
Mar 6, 2026	LASR NLIGHT, INC.	Sale(S)	12,290	$60.39	$742,193	Direct
Mar 5, 2026	LASR NLIGHT, INC.	Sale(S)	13,038	$61.96	$807,834	Direct
Dec 15, 2025	LASR NLIGHT, INC.	Sale(S)	2,075	$36.86	$76,485	Direct
Dec 15, 2025	LASR NLIGHT, INC.	Sale(S)	64,000	$36.30	$2,323,200	Direct
Dec 3, 2025	LASR NLIGHT, INC.	Sale(S)	4,127	$33.78	$139,410	Direct
Sep 5, 2025	LASR NLIGHT, INC.	Sale(S)	3,588	$29.73	$106,671	Direct
Sep 4, 2025	LASR NLIGHT, INC.	Sale(S)	4,112	$29.14	$119,824	Direct
Aug 25, 2025	LASR NLIGHT, INC.	Sale(S)	26,093	$28.47	$742,868	Direct
Aug 25, 2025	LASR NLIGHT, INC.	Sale(S)	12,191	$27.92	$340,373	Direct
Aug 22, 2025	LASR NLIGHT, INC.	Sale(S)	8,007	$28.33	$226,838	Direct
Aug 21, 2025	LASR NLIGHT, INC.	Sale(S)	8,619	$26.49	$228,317	Direct
Aug 20, 2025	LASR NLIGHT, INC.	Sale(S)	8,894	$25.67	$228,309	Direct
Aug 19, 2025	LASR NLIGHT, INC.	Sale(S)	8,449	$26.28	$222,040	Direct

1-25 of 40 transactions

About Corso Joseph John

Corso Joseph John (SEC CIK 0001914846) files insider reports with the SEC as Chief Financial Officer of NLIGHT, INC. (LASR).

Signal8 holds 20 ownership filings by Corso Joseph John, all Form 4s, filed between Sep 5, 2024 and Sep 8, 2026. Those filings report 40 transactions, from Sep 3, 2024 to Sep 4, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Corso Joseph John's filings is in CAMAS, WA.

Recent filings by Corso Joseph John

Sep 4, 2026: Open-market sale of LASR shares (Form 4, code S).
Sep 3, 2026: Open-market sale of LASR shares (Form 4, code S).
Jun 4, 2026: Open-market sale of LASR shares (Form 4, code S).
Jun 3, 2026: Open-market sale of LASR shares (Form 4, code S).
May 20, 2026: Open-market sales of LASR shares (4 lines, Form 4, code S).

Other insiders filing for NLIGHT, INC. (LASR)

MOORE GEOFFREY, Director
Keeney Scott H, President and CEO
Nias James, Chief Accounting Officer
Gossman William, Director
HAINES GERALD M II, Director
Hartman Mark D, Director

How to read Form 4 transaction codes