Qualys CEO RSU tax withholding: 6,043 shares at $123.26

Qualys (QLYS) reported an insider transaction by CEO & President and Director Sumedh S. Thakar.

Rhea-AI Filing Summary

Qualys (QLYS) reported an insider transaction by CEO & President and Director Sumedh S. Thakar. On 11/01/2025, 6,043 shares of common stock were withheld at $123.26 per share to cover taxes related to the vesting of restricted stock units, coded “F” on the form.

Following this administrative withholding, Thakar directly beneficially owns 259,000 Qualys shares. The filing reflects tax settlement mechanics tied to equity compensation rather than an open-market sale.

Insider Trade Summary

Exercise Price or Tax Liability: 6,043 shares

Exercise Price or Tax Liability 1 txn

Insider Thakar Sumedh S

Role CEO & PRESIDENT

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	6,043	$123.26	$745K

Holdings After Transaction: Common Stock — 259,000 shares (Direct)

Footnotes (1)

1. F1. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units.

FAQ

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

What did Qualys (QLYS) disclose in this Form 4?

The CEO & President, Sumedh S. Thakar, reported a tax withholding of 6,043 shares on 11/01/2025 related to RSU vesting.

What was the price used for the withheld QLYS shares?

The shares were withheld at $123.26 per share.

How many Qualys shares does Sumedh S. Thakar now directly own?

He directly beneficially owns 259,000 shares after the reported transaction.

What does transaction code "F" indicate on the Form 4?

Code F denotes shares withheld to satisfy tax obligations upon the vesting of equity awards, as noted in the filing.

Was this an open-market sale of Qualys shares?

No. The filing states the shares were withheld to cover taxes in connection with RSU vesting.

Who is the reporting person in this QLYS Form 4?

The reporting person is Sumedh S. Thakar, the company’s CEO & President and a Director.

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

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Accepted by SEC EDGAR 11/04/2025 - 05:09 PM EST 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^*

Thakar Sumedh S

(Last) (First) (Middle)

C/O QUALYS, INC.

919 E. HILLSDALE BLVD.

(Street)

FOSTER CITY CA 94404

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
QUALYS, INC. [ QLYS ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO & PRESIDENT

3. Date of Earliest Transaction (Month/Day/Year)
11/01/2025

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

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

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

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	11/01/2025		F		6,043(1)	D	$123.26	259,000	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. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units.

	/s/ Bruce Posey by power of attorney for Sumedh S. Thakar	11/04/2025
	** 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.