Key facts
- GNLX - GENELUX Corp has 19 insiders with reported activity on this page.
- Net insider value flow over the last year: -$211,587.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 19 Insiders of GENELUX Corp
- Symbol
- GNLX on Nasdaq
- Location
- Westlake Village, CA
Change
- Buy value: ; sell value: $211,587.
- Net share flow: -57,669.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$211,587.
Buys
$0
Shares: 0
Insiders: 0
Sells
$211,587
Shares: 57,669
Insiders: 5
Net
-$211,587
Shares: -57,669
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 20,257 | $0 | $56,076 | -$56,076 |
| 3-6 | 0 | 10,165 | $0 | $50,782 | -$50,782 |
| 6-9 | 0 | 7,378 | $0 | $38,449 | -$38,449 |
| 9-12 | 0 | 19,869 | $0 | $66,280 | -$66,280 |
GENELUX Corp executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Qian Zhang | Associate VP, Research | $1,978,061 | Mixed | 17 Feb 2023 | ||
| Thomas Zindrick | President and CEO | $1,564,123 | -$83,264 | -5.1% | Filing P/S | 11 May 2026 |
| Aladar Szalay | 10%+ Owner | $1,553,120 | Mixed | 12 Sep 2024 | ||
| John Thomas | Director | $1,397,997 | -$78,965 | -5.3% | Filing P/S | 02 Mar 2026 |
| Joseph Cappello | Chief Technical Officer | $459,659 | -$18,353 | -3.8% | Filing P/S | 11 May 2026 |
| Yong Yu | Chief Scientific Officer | $445,016 | -$20,023 | -4.3% | Filing P/S | 11 May 2026 |
| John W. Smither | Director | $266,228 | Mixed | 27 Aug 2025 | ||
| Mary Mirabelli | Director | $260,158 | Mixed | 27 Aug 2025 | ||
| James L. Tyree | Director | $241,662 | Mixed | 27 Aug 2025 | ||
| Ralph Smalling | Head of Regulatory | $202,025 | -$10,982 | -5.2% | Filing P/S | 11 May 2026 |
| Lourie S. Zak | Chief Financial Officer | $192,938 | Mixed | 18 Dec 2024 | ||
| Gabe Woodward | Director | $175,247 | Mixed | 17 Feb 2023 | ||
| Sean Ryder | General Counsel | $139,053 | Filing P/S | 12 May 2025 | ||
| Caroline Jewett | Head of Quality | $34,289 | Filing P/S | 19 Feb 2024 | ||
| Matthew Pulisic | Chief Financial Officer | Mixed | 31 Jan 2025 | |||
| Paul Scigalla | Chief Medical Officer | Mixed | 18 Oct 2024 | |||
| Eric Groen | General Counsel & Secretary | Mixed | 01 Jul 2025 | |||
| Jason Litten | Chief Medical Officer | Mixed | 02 Jan 2026 | |||
| Doug Samuelson | Vice President, Finance | Mixed | 11 Sep 2023 |
Top shareholders of GENELUX Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC |
13D/G
|
— |
10%
|
4,223,277
|
$17,737,763 | $0 | 30 Sep 2025 | |
| Aladar Szalay |
13D/G
3/4/5
|
10%+ Owner |
8.2%
|
3,134,286
|
$8,776,001 | -$104,222 | 31 Dec 2025 | |
| WOODWARD DIVERSIFIED CAPITAL, LLC |
13F
|
Company |
5.5%
|
2,117,183
|
$5,906,941 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
4.4%
|
1,695,480
|
$4,103,062 | — | 31 Mar 2026 | |
| Bleichroeder LP |
13F
|
Company |
3.6%
|
1,380,666
|
$3,341,212 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.2%
|
453,761
|
$1,098,677 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
1.1%
|
405,872
|
$982,210 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.85%
|
323,865
|
$783,753 | — | 31 Mar 2026 | |
| FLPUTNAM INVESTMENT MANAGEMENT CO |
13F
|
Company |
0.73%
|
280,904
|
$679,788 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.66%
|
251,610
|
$608,896 | — | 31 Mar 2026 | |
| CM Management, LLC |
13F
|
Company |
0.65%
|
250,000
|
$605,000 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.43%
|
164,456
|
$397,984 | — | 31 Mar 2026 | |
| Provident Wealth Management, LLC |
13F
|
Company |
0.41%
|
155,670
|
$376,721 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
0.38%
|
145,850
|
$352,957 | — | 31 Mar 2026 | |
| LPL Financial LLC |
13F
|
Company |
0.36%
|
139,041
|
$336,479 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.32%
|
122,579
|
$296,641 | — | 31 Mar 2026 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.31%
|
119,008
|
$287,998 | — | 31 Mar 2026 | |
| LifeSteps Financial, Inc. |
13F
|
Company |
0.31%
|
118,862
|
$287,646 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.23%
|
88,048
|
$213,076 | — | 31 Mar 2026 | |
| AMG National Trust Bank |
13F
|
Company |
0.2%
|
75,351
|
$182,349 | — | 31 Mar 2026 | |
| Falcon Wealth Planning |
13F
|
Company |
0.17%
|
63,185
|
$152,908 | — | 31 Mar 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.16%
|
61,980
|
$149,992 | — | 31 Mar 2026 | |
| SteelPeak Wealth, LLC |
13F
|
Company |
0.16%
|
60,895
|
$147,366 | — | 31 Mar 2026 | |
| 683 Capital Management, LLC |
13F
|
Company |
0.16%
|
60,000
|
$145,200 | — | 31 Mar 2026 | |
| Creative Planning |
13F
|
Company |
0.12%
|
45,572
|
$110,284 | — | 31 Mar 2026 | |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC |
13F
|
Company |
0.11%
|
41,000
|
$105,370 | — | 31 Mar 2026 | |
| Richard Young Associates, Ltd. |
13F
|
Company |
0.11%
|
40,959
|
$99,121 | — | 31 Mar 2026 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.1%
|
37,735
|
$91,319 | — | 31 Mar 2026 | |
| WAYSTONE ADVISORS LLC |
13F
|
Company |
0.09%
|
33,332
|
$80,663 | — | 31 Mar 2026 | |
| BARCLAYS PLC |
13F
|
Company |
0.09%
|
32,756
|
$79,269 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.09%
|
32,610
|
$78,916 | — | 31 Mar 2026 | |
| One Capital Management, LLC |
13F
|
Company |
0.08%
|
30,883
|
$74,736 | — | 31 Mar 2026 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.08%
|
30,758
|
$74,435 | — | 31 Mar 2026 | |
| Mariner, LLC |
13F
|
Company |
0.07%
|
27,866
|
$67,436 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.07%
|
25,000
|
$60,500 | — | 31 Mar 2026 | |
| KWB Wealth |
13F
|
Company |
0.06%
|
23,327
|
$101,706 | — | 31 Mar 2026 | |
| XTX Topco Ltd |
13F
|
Company |
0.06%
|
22,935
|
$55,503 | — | 31 Mar 2026 | |
| Catalyst Funds Management Pty Ltd |
13F
|
Company |
0.06%
|
21,824
|
$52,814 | — | 31 Mar 2026 | |
| D.A. DAVIDSON & CO. |
13F
|
Company |
0.06%
|
21,779
|
$52,705 | — | 31 Mar 2026 | |
| 5T Wealth, LLC |
13F
|
Company |
0.05%
|
19,701
|
$47,676 | — | 31 Mar 2026 | |
| Apollon Wealth Management, LLC |
13F
|
Company |
0.05%
|
18,784
|
$45,457 | — | 31 Mar 2026 | |
| OMERS ADMINISTRATION Corp |
13F
|
Company |
0.05%
|
17,600
|
$42,592 | — | 31 Mar 2026 | |
| NINE MASTS CAPITAL Ltd |
13F
|
Company |
0.05%
|
17,473
|
$42,285 | — | 31 Mar 2026 | |
| COMMONWEALTH EQUITY SERVICES, LLC |
13F
|
Company |
0.04%
|
17,083
|
$41,340 | — | 31 Mar 2026 | |
| LIBERTY WEALTH MANAGEMENT LLC |
13F
|
Company |
0.04%
|
16,547
|
$40,044 | — | 31 Mar 2026 | |
| Vanguard Global Advisers, LLC |
13F
|
Company |
0.04%
|
16,010
|
$38,744 | — | 31 Mar 2026 | |
| INTEGRITY ALLIANCE, LLC. |
13F
|
Company |
0.04%
|
15,052
|
$36,426 | — | 31 Mar 2026 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.04%
|
13,447
|
$32,000 | — | 31 Mar 2026 | |
| Stratos Wealth Partners, LTD. |
13F
|
Company |
0.03%
|
12,745
|
$30,843 | — | 31 Mar 2026 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.03%
|
12,200
|
$29,524 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for GENELUX Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Yong Yu | GNLX | Common Stock | Sale | -0.4% | $1,798 | $2.97 | -605 | 149,706 | 11 May 2026 | Direct |
| Joseph Cappello | GNLX | Common Stock | Sale | -0.39% | $1,799 | $2.97 | -605 | 154,549 | 11 May 2026 | Direct |
| Thomas Zindrick | GNLX | Common Stock | Sale | -0.52% | $8,226 | $2.94 | -2,798 | 532,051 | 11 May 2026 | Direct |
| Ralph Smalling | GNLX | Common Stock | Sale | -0.4% | $804 | $2.98 | -270 | 67,803 | 11 May 2026 | Direct |
| Ralph Smalling | GNLX | Common Stock | Sale | -0.35% | $602 | $2.51 | -240 | 68,073 | 25 Mar 2026 | Direct |
| Ralph Smalling | GNLX | Common Stock | Sale | -0.5% | $835 | $2.42 | -345 | 68,313 | 24 Mar 2026 | Direct |
| Joseph Cappello | GNLX | Common Stock | Sale | -0.58% | $2,193 | $2.42 | -906 | 155,154 | 24 Mar 2026 | Direct |
| Yong Yu | GNLX | Common Stock | Sale | -0.62% | $2,193 | $2.42 | -906 | 144,938 | 24 Mar 2026 | Direct |
| Thomas Zindrick | GNLX | Common Stock | Sale | -0.67% | $8,668 | $2.42 | -3,582 | 534,849 | 24 Mar 2026 | Direct |
| John Thomas | GNLX | Common Stock | Sale | -2.03% | $28,957 | $2.90 | -10,000 | 482,784 | 02 Mar 2026 | Direct |
| Jason Litten | GNLX | Stock Option (Right to Buy) | Award | 275,000 | 275,000 | 02 Jan 2026 | Direct | |||
| Ralph Smalling | GNLX | Common Stock | Sale | -0.24% | $774 | $4.69 | -165 | 68,658 | 05 Dec 2025 | Direct |
| John Thomas | GNLX | Common Stock | Sale | -1.99% | $50,008 | $5.00 | -10,000 | 492,784 | 01 Dec 2025 | Direct |
| Yong Yu | GNLX | Common Stock | Sale | -0.66% | $5,224 | $5.37 | -973 | 145,844 | 17 Nov 2025 | Direct |
| Thomas Zindrick | GNLX | Common Stock | Sale | -0.83% | $24,211 | $5.37 | -4,509 | 538,431 | 17 Nov 2025 | Direct |
| Joseph Cappello | GNLX | Common Stock | Sale | -0.62% | $5,224 | $5.37 | -973 | 156,060 | 17 Nov 2025 | Direct |
| Ralph Smalling | GNLX | Common Stock | Sale | -0.5% | $1,842 | $5.37 | -343 | 68,823 | 17 Nov 2025 | Direct |
| Ralph Smalling | GNLX | Common Stock | Sale | -0.83% | $1,948 | $3.36 | -580 | 69,166 | 03 Sep 2025 | Direct |
| Thomas Zindrick | GNLX | Stock Option (Right to Buy) | Award | 1,355,940 | 925,000 | 01 Sep 2025 | Direct | |||
| Thomas Zindrick | GNLX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -1,355,940 | 0 | 01 Sep 2025 | Direct | ||
| Yong Yu | GNLX | Stock Option (Right to Buy) | Award | 272,652 | 207,652 | 01 Sep 2025 | Direct | |||
| Yong Yu | GNLX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -272,652 | 0 | 01 Sep 2025 | Direct | ||
| Ralph Smalling | GNLX | Common Stock | Award | 16.4% | 10,000 | 70,990 | 01 Sep 2025 | Direct | ||
| Ralph Smalling | GNLX | Stock Option (Right to Buy) | Award | 8,333 | 8,333 | 01 Sep 2025 | Direct | |||
| Ralph Smalling | GNLX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -8,333 | 0 | 01 Sep 2025 | Direct | ||
| Joseph Cappello | GNLX | Stock Option (Right to Buy) | Award | 174,999 | 80,000 | 01 Sep 2025 | Direct | |||
| Joseph Cappello | GNLX | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -174,999 | 0 | 01 Sep 2025 | Direct | ||
| John Thomas | GNLX | Common Stock | Award | 4.64% | 22,283 | 502,784 | 27 Aug 2025 | Direct | ||
| John Thomas | GNLX | Stock Option (Right to Buy) | Award | 28,576 | 28,576 | 27 Aug 2025 | Direct | |||
| Thomas Zindrick | GNLX | Common Stock | Award | 187.2% | 361,200 | 554,161 | 27 Aug 2025 | Direct | ||
| Thomas Zindrick | GNLX | Stock Option (Right to Buy) | Award | 478,800 | 478,800 | 27 Aug 2025 | Direct | |||
| Ralph Smalling | GNLX | Common Stock | Award | 75.5% | 26,230 | 60,990 | 27 Aug 2025 | Direct | ||
| Ralph Smalling | GNLX | Stock Option (Right to Buy) | Award | 34,770 | 34,770 | 27 Aug 2025 | Direct | |||
| John W. Smither | GNLX | Common Stock | Award | 42.3% | 22,283 | 74,994 | 27 Aug 2025 | Direct | ||
| John W. Smither | GNLX | Stock Option (Right to Buy) | Award | 28,576 | 28,576 | 27 Aug 2025 | Direct | |||
| Yong Yu | GNLX | Common Stock | Award | 209% | 101,480 | 150,036 | 27 Aug 2025 | Direct | ||
| Yong Yu | GNLX | Stock Option (Right to Buy) | Award | 134,520 | 134,520 | 27 Aug 2025 | Direct | |||
| Mary Mirabelli | GNLX | Common Stock | Award | 43.7% | 22,283 | 73,284 | 27 Aug 2025 | Direct | ||
| Mary Mirabelli | GNLX | Stock Option (Right to Buy) | Award | 28,576 | 28,576 | 27 Aug 2025 | Direct | |||
| James L. Tyree | GNLX | Common Stock | Award | 48.7% | 22,283 | 68,074 | 27 Aug 2025 | Direct | ||
| James L. Tyree | GNLX | Stock Option (Right to Buy) | Award | 28,576 | 28,576 | 27 Aug 2025 | Direct | |||
| Joseph Cappello | GNLX | Common Stock | Award | 205.7% | 107,500 | 159,766 | 27 Aug 2025 | Direct | ||
| Joseph Cappello | GNLX | Stock Option (Right to Buy) | Award | 142,500 | 142,500 | 27 Aug 2025 | Direct | |||
| Yong Yu | GNLX | Common Stock | Sale | -2.15% | $10,807 | $3.36 | -3,219 | 146,817 | 21 Aug 2025 | Direct |
| Thomas Zindrick | GNLX | Common Stock | Sale | -2.28% | $42,159 | $3.33 | -12,673 | 542,940 | 21 Aug 2025 | Direct |
| Joseph Cappello | GNLX | Common Stock | Sale | -1.71% | $9,137 | $3.34 | -2,733 | 157,033 | 21 Aug 2025 | Direct |
| Ralph Smalling | GNLX | Common Stock | Sale | -1.75% | $4,177 | $3.36 | -1,244 | 69,746 | 21 Aug 2025 | Direct |
| Eric Groen | GNLX | Stock Option (Right to Buy) | Award | 270,000 | 270,000 | 01 Jul 2025 | Direct | |||
| John Thomas | GNLX | Common Stock | Gift | -4.95% | -25,000 | 480,501 | 06 Jun 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.