GNLX
GENELUX Corp · Healthcare · Market cap $111.2M
Insiders sold $195K net in the last 90 days ·5 sellers, 0 buyers· latest Form 4 filed Sep 2, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$436K
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Sep 2, 2026
Cappello Joseph
GENELUX Corp (GNLX) has 32 SEC Form 4 filings (40 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Sep 2, 2026.
Inside the rolling window, 6 insiders at GENELUX Corp reported no open-market purchases and 30 open-market sales totaling $436K. The most active filer is Head of Regulatory Smalling Ralph with 8 filings. Insiders have net sold $252K over the trailing 6 months. The most recent open-market filing is a sale of 10,257 shares by Chief Technical Officer Cappello Joseph, dated Aug 31, 2026, worth $28K.
- Industry:Biotechnology
- CEO:Thomas D. Zindrick
- Employees:26
- HQ:Westlake Village, CA, US
- IPO:2023-01-26
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Technical Officer | Sale | 10,257 | $28K | Sep 2 | -2.7% | SEC ↗ | |
| President and CEO | Sale | 34,463 | $92K | Sep 2 | -2.7% | SEC ↗ | |
| Chief Scientific Officer | Sale | 9,683 | $27K | Sep 2 | -2.7% | SEC ↗ | |
| Chief Scientific Officer | Sale | 653 | $2K | Aug 5 | -1.2% | SEC ↗ | |
| Chief Technical Officer | Sale | 653 | $2K | Aug 5 | -1.2% | SEC ↗ | |
| President and CEO | Sale | 3,023 | $9K | Aug 5 | -1.2% | SEC ↗ | |
Smither John WFirst filing | Director | Sale | 12,000 | $35K | Jul 2 | -17.1% | SEC ↗ |
| Head of Regulatory | Sale | 192 | $563 | Jun 5 | -15.4% | SEC ↗ | |
Thomas JohnFirst in 3 months | Director | Sale | 10,000 | $30K | Jun 3 | -17.3% | SEC ↗ |
| Chief Scientific Officer | Sale | 605 | $2K | May 13 | -22.3% | SEC ↗ | |
| Chief Technical Officer | Sale | 605 | $2K | May 13 | — | SEC ↗ | |
| President and CEO | Sale | 2,798 | $8K | May 13 | — | SEC ↗ | |
| Head of Regulatory | Sale | 270 | $804 | May 13 | — | SEC ↗ | |
Smalling RalphFirst in 4 months | Head of Regulatory | Sale | 345 | $835 | Mar 26 | — | SEC ↗ |
Smalling RalphFirst in 4 months | Head of Regulatory | Sale | 240 | $602 | Mar 26 | — | SEC ↗ |
Yu YongFirst in 4 months | SVP, Clinical Development | Sale | 906 | $2K | Mar 26 | — | SEC ↗ |
Cappello JosephFirst in 4 months | Chief Technical Officer | Sale | 906 | $2K | Mar 26 | — | SEC ↗ |
Zindrick ThomasFirst in 4 months | President and CEO | Sale | 3,582 | $9K | Mar 26 | — | SEC ↗ |
Thomas JohnFirst in 3 months | Director | Sale | 10,000 | $29K | Mar 3 | — | SEC ↗ |
Cappello JosephFirst filing | Chief Technical Officer | Sale | 2,733 | $9K | Dec 11 | — | SEC ↗ |
Cappello JosephFirst filing | Chief Technical Officer | Sale | 973 | $5K | Dec 11 | — | SEC ↗ |
Yu YongFirst filing | SVP, Clinical Development | Sale | 3,219 | $11K | Dec 11 | — | SEC ↗ |
Yu YongFirst filing | SVP, Clinical Development | Sale | 973 | $5K | Dec 11 | — | SEC ↗ |
Zindrick ThomasFirst filing | President and CEO | Sale | 12,673 | $42K | Dec 11 | — | SEC ↗ |
Zindrick ThomasFirst filing | President and CEO | Sale | 4,509 | $24K | Dec 11 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does GNLX have?
GENELUX Corp (GNLX) has 32 SEC Form 4 filings (40 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Sep 2, 2026.
When was the most recent SEC Form 4 filing for GNLX?
The most recent Form 4 filing for GNLX on Tracefour is dated Sep 2, 2026.
Who is the most active insider at GNLX?
The most active SEC Form 4 filer at GNLX in the rolling window is Head of Regulatory Smalling Ralph, with 8 filings.
What is the net insider flow at GNLX over the last 6 months?
Over the trailing 180 days, insiders at GNLX have net sold $252K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at GNLX in the current window?
Inside the rolling window, insiders at GNLX bought $0 and sold $436K based on SEC Form 4 filings.
Can I get alerts for GNLX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at GENELUX Corp (GNLX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
GENELUX Corp is in the Healthcare sector.