QLYS CEO Thakar reports 2,200-share Rule 10b5-1 stock sale

Rhea-AI Filing Summary

Qualys, Inc. (QLYS) CEO and President Sumedh S. Thakar reported an open-market sale of 2,200 shares of Qualys common stock. The transaction took place on 11/12/2025 at a weighted average price of $155.0427 per share, with individual sale prices ranging from $155.00 to $155.47. The filing shows that Thakar remains a significant shareholder, with 256,800 shares of Qualys common stock beneficially owned directly after this transaction. The sale was executed under a Rule 10b5-1 trading plan that Thakar adopted on February 26, 2025, which is designed to allow pre-arranged trading according to specified instructions.

Insider Trade Summary

Net Seller: 2,200 shares ($341,094)

Net Sell 1 txn

Insider Thakar Sumedh S

Role CEO & PRESIDENT

Sold 2,200 shs ($341K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,200	$155.0427	$341K

Holdings After Transaction: Common Stock — 256,800 shares (Direct)

Footnotes (1)

1. The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025. The sale price represents the weighted average price of the shares sold ranging from $155.00 to $155.47 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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)
11/12/2025

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	11/12/2025		S(1)		2,200	D	$155.0427(2)	256,800	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 sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2025.

2. The sale price represents the weighted average price of the shares sold ranging from $155.00 to $155.47 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

	/s/ Bruce Posey by power of attorney for Sumedh S. Thakar	11/13/2025
	** 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.

FAQ

What insider transaction did Qualys (QLYS) report for Sumedh S. Thakar?

On 11/12/2025, Qualys CEO and President Sumedh S. Thakar reported the sale of 2,200 shares of Qualys common stock in an open-market transaction.

At what price did the Qualys (QLYS) CEO sell shares in this Form 4?

The reported sale had a weighted average price of $155.0427 per share, with individual trades executed between $155.00 and $155.47 per share.

How many Qualys (QLYS) shares does Sumedh S. Thakar still own after the sale?

Following the reported transaction, Sumedh S. Thakar beneficially owns 256,800 shares of Qualys common stock directly.

Was the Qualys (QLYS) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states that the sale was effected under a Rule 10b5-1 trading plan adopted by Sumedh S. Thakar on February 26, 2025.

What role does Sumedh S. Thakar hold at Qualys (QLYS)?

According to the filing, Sumedh S. Thakar is both a Director and an Officer of Qualys, serving as CEO & President.

Can investors get detailed price breakdowns for the sold Qualys (QLYS) shares?

The filing notes that, upon request by the Commission staff, the issuer, or a security holder, the reporting person will provide full information on the number of shares sold at each separate price within the disclosed range.