QUALYS, INC. Insider Trading Activity

Qualys, Inc. chief financial officer Joo Mi Kim reported multiple equity award vestings and related tax withholdings in company stock on February 3, 2026.

Rhea-AI Filing Summary

Qualys, Inc. chief financial officer Joo Mi Kim reported multiple equity award vestings and related tax withholdings in company stock on February 3, 2026. Several performance share awards from 2022, 2023, and 2024 vested after the board determined performance conditions were met, resulting in stock being acquired at $0 per share. The company then withheld portions of these shares at $127.52 per share to cover Kim’s tax liabilities. Following all reported transactions, Kim directly owns 95,288 shares of Qualys common stock.

Insider Trade Summary

8 transactions reported

Mixed 8 txns

Insider Kim Joo Mi

Role CHIEF FINANCIAL OFFICER

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,280	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	2,683	$127.52	$342K
Grant/Award	Common Stock	3,657	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,861	$127.52	$237K
Grant/Award	Common Stock	4,796	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	2,441	$127.52	$311K
Grant/Award	Common Stock	104	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	53	$127.52	$7K

Holdings After Transaction: Common Stock — 95,288 shares (Direct)

Footnotes (6)

1. F1. Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 27, 2022.
2. F2. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 27, 2022.
3. F3. Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 26, 2023.
4. F4. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 26, 2023.
5. F5. Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 30, 2024.
6. F6. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 30, 2024.

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Accepted by SEC EDGAR 02/05/2026 - 04:32 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^*

Kim Joo Mi

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF FINANCIAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
02/03/2026

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	02/03/2026		A		5,280(1)	A	$0	93,769	D
Common Stock	02/03/2026		F		2,683(2)	D	$127.52	91,086	D
Common Stock	02/03/2026		A		3,657(3)	A	$0	94,743	D
Common Stock	02/03/2026		F		1,861(4)	D	$127.52	92,882	D
Common Stock	02/03/2026		A		4,796(5)	A	$0	97,678	D
Common Stock	02/03/2026		F		2,441(6)	D	$127.52	95,237	D
Common Stock	02/03/2026		A		104(1)	A	$0	95,341	D
Common Stock	02/03/2026		F		53(2)	D	$127.52	95,288	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 the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 27, 2022.

2. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 27, 2022.

3. Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 26, 2023.

4. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 26, 2023.

5. Represents the acquisition of shares upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on October 30, 2024.

6. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of performance restricted stock units awarded to the Reporting Person on October 30, 2024.

	/s/ Bruce Posey by power of attorney for Joo Mi Kim	02/05/2026
	** 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.