Qualys (NASDAQ: QLYS) CFO executes Rule 10b5-1 stock sales

Rhea-AI Filing Summary

Qualys chief financial officer Joo Mi Kim reported multiple open-market sales of company common stock. On February 4, 2026, she sold blocks of 500, 400, 2,051, 3,648, and 200 shares at weighted average prices between $124.99 and $129.81 per share.

After these sales, she directly held 88,489 Qualys shares. All transactions were executed under a pre-established Rule 10b5-1 trading plan that she adopted on August 12, 2025, which is designed to allow scheduled sales independent of day-to-day market conditions.

Insider Trade Summary

Net Seller: 6,799 shares ($873,369)

Net Sell 5 txns

Insider Kim Joo Mi

Role CHIEF FINANCIAL OFFICER

Sold 6,799 shs ($873K)

Type	Security	Shares	Price	Value
Sale	Common Stock	500	$125.253	$63K
Sale	Common Stock	400	$126.74	$51K
Sale	Common Stock	2,051	$128.1983	$263K
Sale	Common Stock	3,648	$129.156	$471K
Sale	Common Stock	200	$129.755	$26K

Holdings After Transaction: Common Stock — 94,788 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 August 12, 2025. The sale price represents the weighted average price of the shares sold ranging from $124.99 to $125.58 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. The sale price represents the weighted average price of the shares sold ranging from $126.51 to $127.35 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. The sale price represents the weighted average price of the shares sold ranging from $127.66 to $128.65 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. The sale price represents the weighted average price of the shares sold ranging from $128.67 to $129.60 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. The sale price represents the weighted average price of the shares sold ranging from $129.70 to $129.81 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^*

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)
02/04/2026

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	02/04/2026		S(1)		500	D	$125.253(2)	94,788	D
Common Stock	02/04/2026		S(1)		400	D	$126.74(3)	94,388	D
Common Stock	02/04/2026		S(1)		2,051	D	$128.1983(4)	92,337	D
Common Stock	02/04/2026		S(1)		3,648	D	$129.156(5)	88,689	D
Common Stock	02/04/2026		S(1)		200	D	$129.755(6)	88,489	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 August 12, 2025.

2. The sale price represents the weighted average price of the shares sold ranging from $124.99 to $125.58 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.

3. The sale price represents the weighted average price of the shares sold ranging from $126.51 to $127.35 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.

4. The sale price represents the weighted average price of the shares sold ranging from $127.66 to $128.65 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.

5. The sale price represents the weighted average price of the shares sold ranging from $128.67 to $129.60 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.

6. The sale price represents the weighted average price of the shares sold ranging from $129.70 to $129.81 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 Joo Mi Kim	02/06/2026
	** 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.

FAQ

What insider transaction did Qualys (QLYS) report for its CFO?

Qualys CFO Joo Mi Kim reported selling multiple blocks of common stock on February 4, 2026. The transactions were ordinary open-market sales under a pre-arranged trading plan and left her with 88,489 directly held shares in the company.

How many Qualys (QLYS) shares does the CFO own after the reported sales?

After the reported transactions, CFO Joo Mi Kim directly owns 88,489 Qualys common shares. This figure reflects her holdings immediately following the series of sales disclosed for February 4, 2026, as shown in the Form 4 filing’s ownership column.

At what prices did the Qualys (QLYS) CFO sell her shares on February 4, 2026?

The shares were sold at weighted average prices around $125.25, $126.74, $128.20, $129.16, and $129.76 per share. Footnotes explain these averages reflect price ranges from $124.99 up to $129.81, with detailed breakdowns available on request.

Was the Qualys (QLYS) CFO’s stock sale part of a Rule 10b5-1 trading plan?

Yes. The filing states the sale transactions were effected under a Rule 10b5-1 trading plan adopted by CFO Joo Mi Kim on August 12, 2025. Such pre-set plans allow insiders to schedule trades in advance under predetermined conditions.

What type of security did the Qualys (QLYS) CFO sell in the Form 4 filing?

The insider transactions involved Qualys common stock. All reported entries in Table I are non-derivative sales of common shares, with no derivative securities, options, or warrants listed in Table II for the February 4, 2026 activity.

Is the Qualys (QLYS) CFO a director or 10% owner based on this filing?

Based on the Form 4, Joo Mi Kim is reported solely as an officer, serving as chief financial officer. The boxes for director and 10% owner are not checked, indicating she is neither a director nor a 10% beneficial owner in this disclosure.