GENELUX CEO sells 2,798 shares to cover taxes

GENELUX Corp President and CEO Thomas Zindrick reported a small stock sale primarily for tax purposes.

Rhea-AI Filing Summary

GENELUX Corp President and CEO Thomas Zindrick reported a small stock sale primarily for tax purposes. He sold 2,798 shares of common stock on May 11, 2026 at a weighted average price of $2.9398 per share to cover estimated taxes tied to vesting of restricted stock units. After this transaction, he directly holds 532,051 shares of GENELUX common stock.

Insider Trade Summary

Net Seller: 2,798 shares

Net Sell 1 txn

Insider Zindrick Thomas

Role President and CEO

Sold 2,798 shs ($8K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,798	$2.9398	$8K

Holdings After Transaction: Common Stock — 532,051 shares (Direct)

Footnotes (2)

1. F1. Represents shares sold by the Reporting Person to cover estimated taxes to be paid by the Reporting Person in connection with the vesting of restricted stock units.
2. F2. The weighted average sale price for the transaction reported was $2.9398, and the range of prices were between $2.89 and $3.01. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Key Figures

Shares sold: 2,798 shares Weighted average sale price: $2.9398 per share Post-transaction holdings: 532,051 shares +1 more

4 metrics

Shares sold 2,798 shares Common Stock sold on May 11, 2026

Weighted average sale price $2.9398 per share Average price for reported sale transaction

Post-transaction holdings 532,051 shares Shares of GENELUX common stock held directly after sale

Price range $2.89–$3.01 per share Range of prices for individual sales in transaction

Key Terms

restricted stock units, weighted average sale price, open-market sale, Form 4, +1 more

5 terms

restricted stock units financial

"in connection with the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

weighted average sale price financial

"The weighted average sale price for the transaction reported was $2.9398"

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

estimated taxes financial

"shares sold by the Reporting Person to cover estimated taxes"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did GENELUX (GNLX) CEO Thomas Zindrick report in this Form 4?

GENELUX CEO Thomas Zindrick reported selling 2,798 shares of common stock. The sale occurred at a weighted average price of $2.9398 per share and was conducted to cover estimated taxes from vesting restricted stock units.

How many GENELUX (GNLX) shares did the CEO sell and at what price?

Thomas Zindrick sold 2,798 GENELUX common shares. The weighted average sale price was $2.9398 per share, with individual trade prices ranging between $2.89 and $3.01 according to the filing’s footnote disclosure.

Why did GENELUX (GNLX) CEO Thomas Zindrick sell shares in this transaction?

The filing states the CEO sold shares to cover estimated taxes. These taxes were owed in connection with the vesting of restricted stock units, making the transaction tax-related rather than a discretionary open-market sale for portfolio reasons.

How many GENELUX (GNLX) shares does the CEO hold after this Form 4 sale?

After the reported transaction, Thomas Zindrick directly holds 532,051 GENELUX common shares. This indicates the 2,798 shares sold for tax purposes represent a small portion of his overall direct equity position in the company.

What trading price range was disclosed for the GENELUX (GNLX) CEO share sale?

The filing notes a weighted average price of $2.9398 per share. It also discloses that individual sales occurred within a price range between $2.89 and $3.01, with detailed trade breakdowns available upon request to the issuer or SEC staff.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/12/2026 - 08:30 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Zindrick Thomas

(Last) (First) (Middle)

C/O GENELUX CORPORATION

2625 TOWNSGATE ROAD, SUITE 230

(Street)

WESTLAKE VILLAGE CALIFORNIA 91361

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
GENELUX Corp [ GNLX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/11/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/11/2026		S(1)		2,798	D	$2.9398(2)	532,051	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares sold by the Reporting Person to cover estimated taxes to be paid by the Reporting Person in connection with the vesting of restricted stock units.

2. The weighted average sale price for the transaction reported was $2.9398, and the range of prices were between $2.89 and $3.01. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

	/s/ Thomas Zindrick, J.D.	05/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)