GENELUX Corp (GNLX) Insider Trading
Directors, officers and holders of more than 10% of GNLX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 127 transactions on file: 0 with code P, 26 with code S and 24 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Cappello Joseph | Chief Technical Officer | S Sale | 10,257 | $2.74 | $28,112 |
| Aug 31, 2026 | Zindrick Thomas | President and CEO | S Sale | 34,463 | $2.67 | $91,899 |
| Aug 31, 2026 | Yu Yong | Chief Scientific Officer | S Sale | 9,683 | $2.75 | $26,658 |
| Aug 4, 2026 | Yu Yong | Chief Scientific Officer | S Sale | 653 | $2.94 | $1,922 |
| Aug 4, 2026 | Zindrick Thomas | President and CEO | S Sale | 3,023 | $2.95 | $8,905 |
| Aug 4, 2026 | Cappello Joseph | Chief Technical Officer | S Sale | 653 | $2.95 | $1,924 |
| Jul 1, 2026 | Smither John W | Director | S Sale | 12,000 | $2.91 | $34,898 |
| Jun 16, 2026 | Yu Yong | Chief Scientific Officer | A Award | 119,318 | Not measured | Not measured |
| Jun 16, 2026 | Mirabelli Mary | Director | A Award | 31,566 | Not measured | Not measured |
| Jun 16, 2026 | Tyree James L | Director | A Award | 28,409 | Not measured | Not measured |
| Jun 16, 2026 | Groen Eric | General Counsel | A Award | 233,957 | Not measured | Not measured |
| Jun 16, 2026 | Thomas John | Director | A Award | 28,409 | Not measured | Not measured |
| Jun 16, 2026 | Smither John W | Director | A Award | 31,566 | Not measured | Not measured |
| Jun 16, 2026 | Smither John W | Director | A Award | 28,409 | Not measured | Not measured |
| Jun 16, 2026 | Zindrick Thomas | President and CEO | A Award | 730,601 | Not measured | Not measured |
| Jun 16, 2026 | Tyree James L | Director | A Award | 31,566 | Not measured | Not measured |
| Jun 16, 2026 | Mirabelli Mary | Director | A Award | 28,409 | Not measured | Not measured |
| Jun 16, 2026 | Cappello Joseph | Chief Technical Officer | A Award | 174,841 | Not measured | Not measured |
| Jun 16, 2026 | Thomas John | Director | A Award | 31,566 | Not measured | Not measured |
| Jun 16, 2026 | Pulisic Matthew | Chief Financial Officer | A Award | 278,906 | Not measured | Not measured |
| Jun 3, 2026 | Smalling Ralph | Head of Regulatory | S Sale | 192 | $2.93 | $563 |
| Jun 1, 2026 | Thomas John | Director | S Sale | 10,000 | $2.98 | $29,801 |
| May 11, 2026 | Zindrick Thomas | President and CEO | S Sale | 2,798 | $2.94 | $8,226 |
| May 11, 2026 | Cappello Joseph | Chief Technical Officer | S Sale | 605 | $2.97 | $1,799 |
| May 11, 2026 | Yu Yong | Chief Scientific Officer | S Sale | 605 | $2.97 | $1,798 |
| May 11, 2026 | Smalling Ralph | Head of Regulatory | S Sale | 270 | $2.98 | $804 |
| Mar 25, 2026 | Smalling Ralph | Head of Regulatory | S Sale | 240 | $2.51 | $602 |
| Mar 24, 2026 | Smalling Ralph | Head of Regulatory | S Sale | 345 | $2.42 | $835 |
| Mar 24, 2026 | Yu Yong | Chief Scientific Officer | S Sale | 906 | $2.42 | $2,193 |
| Mar 24, 2026 | Cappello Joseph | Chief Technical Officer | S Sale | 906 | $2.42 | $2,193 |
| Mar 24, 2026 | Zindrick Thomas | President and CEO | S Sale | 3,582 | $2.42 | $8,668 |
| Mar 2, 2026 | Thomas John | Director | S Sale | 10,000 | $2.90 | $28,957 |
| Jan 2, 2026 | Litten Jason | Chief Medical Officer | A Award | 275,000 | Not measured | Not measured |
| Dec 5, 2025 | Smalling Ralph | Head of Regulatory | S Sale | 165 | $4.69 | $774 |
| Dec 1, 2025 | Thomas John | Director | S Sale | 10,000 | $5.00 | $50,008 |
| Nov 17, 2025 | Smalling Ralph | Head of Regulatory | S Sale | 343 | $5.37 | $1,842 |
| Nov 17, 2025 | Cappello Joseph | Chief Technical Officer | S Sale | 973 | $5.37 | $5,224 |
| Nov 17, 2025 | Yu Yong | Chief Scientific Officer | S Sale | 973 | $5.37 | $5,224 |
| Nov 17, 2025 | Zindrick Thomas | President and CEO | S Sale | 4,509 | $5.37 | $24,211 |
| Sep 3, 2025 | Smalling Ralph | Head of Regulatory | S Sale | 580 | $3.36 | $1,948 |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | A Award | 925,000 | Not measured | Not measured |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | A Award | 250,000 | Not measured | Not measured |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | D Disposition | 157,372 | Not measured | Not measured |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | A Award | 157,372 | Not measured | Not measured |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | D Disposition | 23,568 | Not measured | Not measured |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | D Disposition | 925,000 | Not measured | Not measured |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | A Award | 23,568 | Not measured | Not measured |
| Sep 1, 2025 | Smalling Ralph | Head of Regulatory | A Award | 10,000 | Not measured | Not measured |
| Sep 1, 2025 | Zindrick Thomas | President and CEO | D Disposition | 250,000 | Not measured | Not measured |
| Sep 1, 2025 | Yu Yong | Chief Scientific Officer | D Disposition | 207,652 | Not measured | Not measured |
The full Form 4 history is on the GNLX company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.