Corso Joseph John
Chief Financial Officer
Corso Joseph John has filed 9 SEC Form 4 filings (19 transaction rows) across 1 company, with disclosures dating back to 2025. 8 of those filings fall inside the rolling window. Most recent filing: Sep 8, 2026.
On the most recent filing, Corso Joseph John is listed as Chief Financial Officer at NLIGHT, INC. Inside the rolling window, Corso Joseph John reported no open-market purchases and 12 open-market sales totaling $11.6M in LASR. The largest disclosed transaction in the window is a sale of 35,476 LASR shares on May 20, 2026, worth $2.5M.
Companies traded
Other insiders at LASR
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$11.6M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| LASR | Chief Financial Officer | Sale | 4,191 | $171K | Sep 8 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 3,524 | $146K | Sep 8 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 3,840 | $299K | Jun 5 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 3,817 | $278K | Jun 5 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 20,243 | $1.4M | May 22 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 35,476 | $2.5M | May 22 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 18,445 | $1.4M | May 19 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 19,575 | $1.4M | May 19 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 13,038 | $808K | Mar 9 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 12,290 | $742K | Mar 9 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 66,075 | $2.4M | Dec 17 | SEC ↗ | |
| LASR | Chief Financial Officer | Sale | 4,127 | $139K | Dec 5 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Corso Joseph John made?
Corso Joseph John has filed 9 SEC Form 4 filings (19 transaction rows) across 1 company since 2025.
Which companies does Corso Joseph John trade?
Corso Joseph John has filed SEC Form 4 disclosures for 1 company, including LASR.
When was Corso Joseph John's most recent SEC Form 4 filing?
Corso Joseph John's most recent SEC Form 4 filing on Tracefour is dated Sep 8, 2026.
What is Corso Joseph John's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Corso Joseph John is listed as Chief Financial Officer.
What is Corso Joseph John's total buy and sell value in the current window?
Inside the rolling retention window, Corso Joseph John bought $0 and sold $11.6M based on SEC Form 4 filings.
What was Corso Joseph John's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 35,476 LASR shares on 2026-05-20, worth $2.5M, per SEC Form 4 filings.