Qualys CFO sells 1,627 company shares

Rhea-AI Filing Summary

QUALYS, INC. Chief Financial Officer Joo Mi Kim reported an open-market sale of 1,627 shares of common stock on May 19, 2026 at a weighted average price of $100.1696 per share. After this transaction, she directly owns 83,211 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 12, 2025, indicating it was scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 1,627 shares

Net Sell 1 txn

Insider Kim Joo Mi

Role CHIEF FINANCIAL OFFICER

Sold 1,627 shs ($163K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,627	$100.1696	$163K

Holdings After Transaction: Common Stock — 83,211 shares (Direct)

Footnotes (2)

1. F1. 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. F2. The sale price represents the weighted average price of the shares sold ranging from $100.00 to $100.85 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

Shares sold: 1,627 shares Weighted average sale price: $100.1696 per share Share price range: $100.00–$100.85 per share +3 more

6 metrics

Shares sold 1,627 shares Open-market sale on May 19, 2026

Weighted average sale price $100.1696 per share Common stock sale

Share price range $100.00–$100.85 per share Price range for executed trades

Shares owned after transaction 83,211 shares Direct ownership following sale

Trading plan adoption date August 12, 2025 Rule 10b5-1 trading plan

Transaction type Open-market sale Non-derivative common stock

Key Terms

Rule 10b5-1 trading plan, weighted average price, open-market sale, non-derivative

4 terms

Rule 10b5-1 trading plan regulatory

"The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted..."

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.

weighted average price financial

"The sale price represents the weighted average price of the shares sold ranging from $100.00 to $100.85 per share."

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.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

non-derivative financial

"transaction_type: non-derivative"

FAQ

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

What insider transaction did QUALYS (QLYS) CFO Joo Mi Kim report?

QUALYS CFO Joo Mi Kim reported selling 1,627 shares of common stock. The sale occurred on May 19, 2026 at a weighted average price of $100.1696 per share in an open-market transaction disclosed on Form 4.

How many QUALYS (QLYS) shares does the CFO hold after this Form 4 sale?

After selling 1,627 shares, CFO Joo Mi Kim directly holds 83,211 QUALYS shares. This context from the Form 4 helps investors see the sale size relative to her remaining ownership position in the company.

Was the QUALYS (QLYS) CFO’s share sale made under a Rule 10b5-1 plan?

Yes. The Form 4 footnotes state the sale was effected pursuant to a Rule 10b5-1 trading plan adopted on August 12, 2025, indicating the transaction was pre-scheduled rather than a discretionary market-timing decision.

What price range applied to the QUALYS (QLYS) CFO’s Form 4 share sale?

The reported sale used a weighted average price of $100.1696 per share. Footnotes explain individual trades occurred between $100.00 and $100.85, and detailed breakdowns are available upon request from the company or the reporting person.

Does the QUALYS (QLYS) Form 4 indicate any derivative or option exercises?

No. The Form 4 transaction involves only non-derivative common stock in an open-market sale, and the derivative summary section shows no remaining derivative positions reported in this filing for the CFO.

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

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Accepted by SEC EDGAR 05/21/2026 - 04:02 PM EDT 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).

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)
05/19/2026

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	05/19/2026		S(1)		1,627	D	$100.1696(2)	83,211	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 $100.00 to $100.85 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	05/21/2026
	** 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)