Qualys CFO Joo Mi Kim sells 2,659 shares under plan

The sales were made under a Rule 10b5-1 trading plan adopted August 12, 2025, and 3,846 shares were withheld for taxes on restricted-stock-unit vesting.

Available on EDGAR 11/03/2026 - 05:47 PM EST Accepted by SEC EDGAR 11/03/2026 - 05:46 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Joo Mi Kim, Qualys, Inc.’s chief financial officer, sold 2,659 shares of common stock in five reported transactions on November 2, 2026. The weighted-average prices were $207.5421, $208.8313, $210.0699, $210.9192 and $212.6191 per share for the respective blocks of 850, 393, 654, 234 and 528 shares. The sales were made under a Rule 10b5-1 trading plan adopted August 12, 2025. On November 1, 3,846 shares were withheld to cover tax liability connected with vesting of restricted stock units.

Insider Trade Summary 10b5-1

Net Seller: 2,659 shares

Net Sell 6 txns

Insider Kim Joo Mi

Role CHIEF FINANCIAL OFFICER

Sold 2,659 shs ($557K)

Share of Position Sold 3.8%

Type	Security	Shares	Price	Value
Sale	Common Stock F2, F3	850	$207.5421	$176K
Sale	Common Stock F2, F4	393	$208.8313	$82K
Sale	Common Stock F2, F5	654	$210.0699	$137K
Sale	Common Stock F2, F6	234	$210.9192	$49K
Sale	Common Stock F2, F7	528	$212.6191	$112K
Tax Withholding	Common Stock F1	3,846	$224.12	$862K

Holdings After Transaction: Common Stock — 68,208 shares (Direct)

Holdings Before and After: Common Stock, 74,713 to 68,208 shares (Direct)

Other Insiders: 2 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (7)

1. F1. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units.
2. F2. 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.
3. F3. The sale price represents the weighted average price of the shares sold ranging from $207.12 to $207.75 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. F4. The sale price represents the weighted average price of the shares sold ranging from $208.30 to $209.25 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. F5. The sale price represents the weighted average price of the shares sold ranging from $209.545 to $210.54 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. F6. The sale price represents the weighted average price of the shares sold ranging from $210.55 to $211.22 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.
7. F7. The sale price represents the weighted average price of the shares sold ranging from $212.26 to $213.05 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.

Key Figures

Common shares sold: 2,659 shares Sale block and weighted-average price: 850 shares at $207.5421 per share Sale block and weighted-average price: 393 shares at $208.8313 per share +4 more

7 metrics

Common shares sold 2,659 shares Five reported sales on November 2, 2026

Sale block and weighted-average price 850 shares at $207.5421 per share November 2, 2026

Sale block and weighted-average price 393 shares at $208.8313 per share November 2, 2026

Sale block and weighted-average price 654 shares at $210.0699 per share November 2, 2026

Sale block and weighted-average price 234 shares at $210.9192 per share November 2, 2026

Sale block and weighted-average price 528 shares at $212.6191 per share November 2, 2026

Shares withheld for tax liability 3,846 shares November 1, 2026; connected with restricted-stock-unit vesting

Key Terms

Rule 10b5-1 trading plan, restricted stock units, weighted average price

3 terms

Rule 10b5-1 trading plan regulatory

"pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

restricted stock units financial

"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 price financial

"sale price represents the weighted average price"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

FAQ

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

How many QLYS shares did CFO Joo Mi Kim sell, and at what prices?

Joo Mi Kim sold 2,659 shares on November 2, 2026. The five blocks were 850 shares at a weighted average of $207.5421 per share, 393 at $208.8313, 654 at $210.0699, 234 at $210.9192 and 528 at $212.6191. The sales were made under a plan adopted August 12, 2025.

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

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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 CALIFORNIA 94404

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/01/2026

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	11/01/2026		F		3,846(1)	D	$224.12	70,867	D
Common Stock	11/02/2026		S(2)		850	D	$207.5421(3)	70,017	D
Common Stock	11/02/2026		S(2)		393	D	$208.8313(4)	69,624	D
Common Stock	11/02/2026		S(2)		654	D	$210.0699(5)	68,970	D
Common Stock	11/02/2026		S(2)		234	D	$210.9192(6)	68,736	D
Common Stock	11/02/2026		S(2)		528	D	$212.6191(7)	68,208	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.

2. 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.

3. The sale price represents the weighted average price of the shares sold ranging from $207.12 to $207.75 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 $208.30 to $209.25 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 $209.545 to $210.54 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 $210.55 to $211.22 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.

7. The sale price represents the weighted average price of the shares sold ranging from $212.26 to $213.05 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	11/03/2026
	** 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)