GENELUX Corp
GNLX · Pharmaceutical Preparations · 44.8M shares · +86%/yr ↑ dilution · EDGAR filings ↗
Reference price $2.93 · est. market cap ~$131M — last insider sale, 2026-06-03 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D40Clinical/early-stage biotech — micro oncolytic-virus biotech.
Strengths
- Liquidity — current ratio 2.4 (33rd)
Risks
- Pre-revenue, deep losses — per metrics
- Pre-revenue/clinical-stage — history of losses & need for capital per risk factors
- Binary clinical & funding risk — per 10-K
Notable findings
- Net lossNet loss (net margin -401812.5%)
- Chronic dilutionShare count +86%/yr over 2y (dilution, book value/share -83%)
- Cash burnNegative free cash flow (-26.4M)
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC, CITADEL ADVISORS LLC
- Notable holderHeld by 4 notable fund(s): STATE STREET CORP, GOLDMAN SACHS GROUP INC, RENAISSANCE TECHNOLOGIES LLC +1 more (as of 2026-03-31)
- Insider sellingInsider selling — 12 open-market sale(s) by 5 insider(s) (cluster of 5 insiders, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Operating margin
-415175.0%
Net margin
-401812.5%
Return on equity
-278.5%
Return on assets
-168.9%
Revenue growth (QoQ)
0.0%
Current ratio
2.4×
Free cash flow
-$26M
Tangible book value
$12M
Cash & investments
$5M
Cash runway
1q
Stock comp / revenue
73387.5%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-16 | Pulisic Matthew | Grant | 279K | — |
| 2026-06-16 | Groen Eric | Grant | 234K | — |
| 2026-06-16 | Cappello Joseph | Grant | 175K | — |
| 2026-06-16 | Tyree James L | Grant | 28K | — |
| 2026-06-16 | Zindrick Thomas | Grant | 731K | — |
| 2026-06-16 | Thomas John | Grant | 28K | — |
| 2026-06-16 | Mirabelli Mary | Grant | 28K | — |
| 2026-06-16 | Yu Yong | Grant | 119K | — |
| 2026-06-16 | Smither John W | Grant | 28K | — |
| 2026-06-03 | Smalling Ralph | Sell | 192 | $2.93 |
| 2026-06-01 | Thomas John | Sell | 10K | $2.98 |
| 2026-05-11 | Cappello Joseph | Sell | 605 | $2.97 |
| 2026-05-11 | Yu Yong | Sell | 605 | $2.97 |
| 2026-05-11 | Zindrick Thomas | Sell | 2.8K | $2.94 |
| 2026-05-11 | Smalling Ralph | Sell | 270 | $2.98 |
| 2026-03-25 | Smalling Ralph | Sell | 240 | $2.51 |
| 2026-03-24 | Cappello Joseph | Sell | 906 | $2.42 |
| 2026-03-24 | Smalling Ralph | Sell | 345 | $2.42 |
| 2026-03-24 | Zindrick Thomas | Sell | 3.6K | $2.42 |
| 2026-03-24 | Yu Yong | Sell | 906 | $2.42 |
| 2026-03-02 | Thomas John | Sell | 10K | $2.90 |
| 2025-12-05 | Smalling Ralph | Sell | 165 | $4.69 |
| 2025-12-01 | Thomas John | Sell | 10K | $5.00 |
| 2025-11-17 | Zindrick Thomas | Sell | 4.5K | $5.37 |
| 2025-11-17 | Cappello Joseph | Sell | 973 | $5.37 |
| 2025-11-17 | Yu Yong | Sell | 973 | $5.37 |
| 2025-11-17 | Smalling Ralph | Sell | 343 | $5.37 |
| 2025-09-03 | Smalling Ralph | Sell | 580 | $3.36 |
| 2025-09-01 | Smalling Ralph | Grant | 10K | — |
| 2025-08-27 | Smither John W | Grant | 22K | — |
| 2025-08-27 | Thomas John | Grant | 22K | — |
| 2025-08-27 | Mirabelli Mary | Grant | 22K | — |
| 2025-08-27 | Zindrick Thomas | Grant | 361K | — |
| 2025-08-27 | Yu Yong | Grant | 101K | — |
| 2025-08-27 | Smalling Ralph | Grant | 26K | — |
| 2025-08-27 | Cappello Joseph | Grant | 108K | — |
| 2025-08-27 | Tyree James L | Grant | 22K | — |
| 2025-08-21 | Yu Yong | Sell | 3.2K | $3.36 |
| 2025-08-21 | Cappello Joseph | Sell | 1.3K | $3.33 |
| 2025-08-21 | Cappello Joseph | Sell | 1.5K | $3.36 |
| 2025-08-21 | Smalling Ralph | Sell | 1.2K | $3.36 |
| 2025-08-21 | Zindrick Thomas | Sell | 13K | $3.33 |
| 2025-06-06 | Thomas John | Gift | 25K | — |
| 2025-05-12 | Ryder Sean | Sell | 4.5K | $2.92 |
| 2025-05-12 | Zindrick Thomas | Sell | 11K | $2.92 |
| 2025-05-12 | Yu Yong | Sell | 5.6K | $2.92 |
| 2025-05-12 | Cappello Joseph | Sell | 4.7K | $2.92 |
| 2025-05-12 | Smalling Ralph | Sell | 1.3K | $2.92 |
| 2025-03-14 | Smalling Ralph | Grant | 4.2K | — |
| 2025-03-14 | Cappello Joseph | Grant | 13K | — |
| 2025-03-14 | Yu Yong | Grant | 13K | — |
| 2025-03-14 | Ryder Sean | Grant | 11K | — |
| 2025-03-14 | Zindrick Thomas | Grant | 30K | — |
All non-derivative Form 4 activity (SEC), newest first.
Supply chain
Customers (1)
- Newsoara
Suppliers (0)
Named in the 10-K; linked when we track them.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-22 | Shareholder vote | filing ↗ |
| 2026-03-19 | Material agreementExhibits | filing ↗ |
| 2026-02-02 | Reg FDExhibits | filing ↗ |
| 2026-01-08 | OtherExhibits | filing ↗ |
| 2026-01-05 | Reg FDOtherExhibits | filing ↗ |
| 2026-01-02 | Exec/director changeExhibits | filing ↗ |
| 2025-09-03 | Exec/director changeShareholder vote | filing ↗ |
| 2025-03-25 | OtherExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-22 | 2026-06-16 | 0001493152-26-029607 ↗ |
| 10-Q | 2026-05-07 | 2026-03-31 | 0001493152-26-021710 ↗ |
| 8-K | 2026-03-19 | 2026-03-19 | 0001493152-26-011649 ↗ |
| 10-K | 2026-03-19 | 2025-12-31 | 0001493152-26-011616 ↗ |
| 8-K | 2026-02-02 | 2026-02-02 | 0001493152-26-004755 ↗ |
| 8-K | 2026-01-08 | 2026-01-08 | 0001493152-26-000989 ↗ |
| 8-K | 2026-01-05 | 2026-01-05 | 0001493152-26-000270 ↗ |
| 8-K | 2026-01-02 | 2025-12-30 | 0001493152-26-000115 ↗ |
| 10-Q | 2025-11-05 | 2025-09-30 | 0001493152-25-020874 ↗ |
| 8-K | 2025-09-03 | 2025-08-27 | 0001641172-25-026390 ↗ |
| 10-Q | 2025-08-07 | 2025-06-30 | 0001641172-25-022583 ↗ |
| 10-Q | 2025-05-06 | 2025-03-31 | 0001641172-25-008838 ↗ |