GNLX SEC Filing News — Genelux Corporation

Latest SEC filings for Genelux Corporation (GNLX) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-09-02.

Genelux Corporation, a clinical-stage biopharmaceutical company, focuses on developing oncolytic viral immunotherapies for patients suffering from aggressive and/or difficult-to-treat solid tumor types. Its lead product candidate is Olvi-Vec (olvimulogene nanivacirepvec), a proprietary modified strain of the vaccinia virus indicated for the treatment of ovarian cancer. It also offers CHOICE, a technology and discovery and development platform; and developed an extensive library of isolated and e…
Sector: Healthcare Industry: Biotechnology Market Cap: $110.9M
20
Total Filings
0
Bullish Classifications
8
Bearish Classifications
17
Insider Transactions
1
Material Events (8-K)
1
Periodic Reports
Rule-based classifications for GNLX currently lean bearish. Of the 20 filing records displayed, 8 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.
GNLX Filing Activity Snapshot 2026-06-04 — 2026-09-02
Insider Transactions (Form 4)
0 buys vs 8 sells
Net insider selling in this period — insiders sell for many reasons beyond conviction.
Largest Form 144 Filing
$91.9K
Zindrick Thomas (President and CEO) · 2026-09-02
34,463 shares · Form 4
Form 144 Notices
1
Proposed insider sale filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.
Insider Transactions 17 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 17 filings in this group are Form 4s for Genelux Corporation.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 17 insider filings shown, the breakdown is 9 compensation award and 8 open-market sale. 8 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Compensation award ×9
Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Open-market sale ×8
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Form 4 Open-market sale Insider Selling 2026-09-02

GNLX insider Cappello Joseph (Chief Technical Officer) sold 10,257 shares (~$28.1K)

Cappello Joseph, listed as Chief Technical Officer at GENELUX Corp, reported an open-market sale of 10,257 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 10,257 $2.74 $28.1K
Filing: Form 4 (Insider Transaction) Insider: Cappello Joseph (Chief Technical Officer) Shares: 10,257 Est. Value: $28.1K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-02

GNLX insider Zindrick Thomas (President and CEO) sold 34,463 shares (~$91.9K)

Zindrick Thomas, listed as President and CEO at GENELUX Corp, reported an open-market sale of 34,463 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 34,463 $2.67 $91.9K
Filing: Form 4 (Insider Transaction) Insider: Zindrick Thomas (President and CEO) Shares: 34,463 Est. Value: $91.9K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-02

GNLX insider Yu Yong (Chief Scientific Officer) sold 9,683 shares (~$26.7K)

Yu Yong, listed as Chief Scientific Officer at GENELUX Corp, reported an open-market sale of 9,683 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 9,683 $2.75 $26.7K
Filing: Form 4 (Insider Transaction) Insider: Yu Yong (Chief Scientific Officer) Shares: 9,683 Est. Value: $26.7K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-08-04

GNLX insider Yu Yong (Chief Scientific Officer) sold 653 shares (~$1.9K)

Yu Yong, listed as Chief Scientific Officer at GENELUX Corp, reported an open-market sale of 653 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 653 $2.94 $1.9K
Filing: Form 4 (Insider Transaction) Insider: Yu Yong (Chief Scientific Officer) Shares: 653 Est. Value: $1.9K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-08-04

GNLX insider Cappello Joseph (Chief Technical Officer) sold 653 shares (~$1.9K)

Cappello Joseph, listed as Chief Technical Officer at GENELUX Corp, reported an open-market sale of 653 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 653 $2.95 $1.9K
Filing: Form 4 (Insider Transaction) Insider: Cappello Joseph (Chief Technical Officer) Shares: 653 Est. Value: $1.9K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-08-04

GNLX insider Zindrick Thomas (President and CEO) sold 3,023 shares (~$8.9K)

Zindrick Thomas, listed as President and CEO at GENELUX Corp, reported an open-market sale of 3,023 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 3,023 $2.95 $8.9K
Filing: Form 4 (Insider Transaction) Insider: Zindrick Thomas (President and CEO) Shares: 3,023 Est. Value: $8.9K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-07-02

GNLX insider Smither John W (Director) sold 12,000 shares (~$34.9K)

Smither John W, listed as Director at GENELUX Corp, reported an open-market sale of 12,000 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 12,000 $2.91 $34.9K
Filing: Form 4 (Insider Transaction) Insider: Smither John W (Director) Shares: 12,000 Est. Value: $34.9K
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Pulisic Matthew (Chief Financial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 278,906 — —
Filing: Form 4 (Insider Transaction) Insider: Pulisic Matthew (Chief Financial Officer) Shares: 278,906
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Groen Eric (General Counsel) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 233,957 — —
Filing: Form 4 (Insider Transaction) Insider: Groen Eric (General Counsel) Shares: 233,957
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Cappello Joseph (Chief Technical Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 174,841 — —
Filing: Form 4 (Insider Transaction) Insider: Cappello Joseph (Chief Technical Officer) Shares: 174,841
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Tyree James L (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 28,409 — —
A Compensation award derivative · Stock Option (Right to Buy) 31,566 — —
Filing: Form 4 (Insider Transaction) Insider: Tyree James L (Director) Shares: 28,409
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Zindrick Thomas (President and CEO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 730,601 — —
Filing: Form 4 (Insider Transaction) Insider: Zindrick Thomas (President and CEO) Shares: 730,601
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Thomas John (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 28,409 — —
A Compensation award derivative · Stock Option (Right to Buy) 31,566 — —
Filing: Form 4 (Insider Transaction) Insider: Thomas John (Director) Shares: 28,409
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Mirabelli Mary (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 28,409 — —
A Compensation award derivative · Stock Option (Right to Buy) 31,566 — —
Filing: Form 4 (Insider Transaction) Insider: Mirabelli Mary (Director) Shares: 28,409
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Yu Yong (Chief Scientific Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 119,318 — —
Filing: Form 4 (Insider Transaction) Insider: Yu Yong (Chief Scientific Officer) Shares: 119,318
View on SEC EDGAR → Open Filing Document →
Form 4 Compensation award Tax / Compensation Filing 2026-06-18

GNLX insider Form 4 filed for equity award, exercise, or tax withholding

Smither John W (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code Nature Shares Price Value
A Compensation award 28,409 — —
A Compensation award derivative · Stock Option (Right to Buy) 31,566 — —
Filing: Form 4 (Insider Transaction) Insider: Smither John W (Director) Shares: 28,409
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-06-04

GNLX insider Smalling Ralph (Head of Regulatory) sold 192 shares (~$562.56)

Smalling Ralph, listed as Head of Regulatory at GENELUX Corp, reported an open-market sale of 192 GNLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 192 $2.93 $562.56
Filing: Form 4 (Insider Transaction) Insider: Smalling Ralph (Head of Regulatory) Shares: 192 Est. Value: $562.56
View on SEC EDGAR → Open Filing Document →
Proposed Insider Sales 1 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Genelux Corporation has 1 such notice in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2026-07-01

GNLX Form 144 filed for proposed insider sale by JOHN SMITHER (12,000 shares) ~$34.9K

JOHN SMITHER filed a Form 144 with the SEC indicating intent to sell GNLX (GENELUX Corp) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: JOHN SMITHER Shares: 12,000 Est. Value: $34.9K
View on SEC EDGAR → Open Filing Document →
Material Events 1 · Form 8-K

An 8-K reports a material event in the window between scheduled reports. There is 1 in this period for Genelux Corporation. Each 8-K names the item number it is filed under, and that number is the fastest way to tell a routine disclosure from a consequential one.

Item 2.02 is an earnings release, Item 5.02 is a change of directors or officers, and Item 1.01 or 2.01 covers a material agreement or a completed acquisition. Item 7.01 and Item 8.01 are the general-purpose disclosure items and carry no fixed meaning on their own.

Form 8-K Material Company Update 2026-06-22

GNLX filed 8-K — material company event

GENELUX Corp filed an 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Periodic Reports 1 · Forms 10-K and 10-Q

The periodic reports are where the audited and reviewed financial statements live. This period contains 1 quarterly report (10-Q) for Genelux Corporation.

The two are not equivalent in weight. A 10-K is audited by an external firm and includes the full risk factor disclosure, business description and management discussion; a 10-Q is unaudited, reviewed rather than examined, and much shorter. When a figure in a quarterly report is later revised, the annual report is usually where the correction appears.

An amended report — 10-K/A or 10-Q/A — restates or corrects something in the original filing, and is worth reading against the version it replaces.

Form 10-Q Quarterly Report 2026-08-13

GNLX filed Quarterly Report (10-Q)

GENELUX Corp filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.

Filing: 10-Q (Quarterly Report)
View on SEC EDGAR → Open Filing Document →

How we classify Genelux Corporation's filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on GNLX. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — GNLX SEC Filings

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Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
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