[Form 4] Qualys, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Qualys, Inc. Chief Financial Officer Joo Mi Kim sold a total of 844 shares of Qualys common stock on 09/05/2025 under a pre-established Rule 10b5-1 trading plan adopted August 21, 2024. The three sale transactions show weighted average sale prices in ranges from $133.68 to $136.45 per share and resulted in reported beneficial ownership of 93,651 shares following the transactions. The filing also discloses an exempt purchase of 27 shares on August 15, 2025 through the company’s Employee Stock Purchase Plan. The Form 4 was signed by power of attorney on September 8, 2025.

Positive

• Transactions executed under a Rule 10b5-1 trading plan, indicating a pre-established and documented trading arrangement
• Disclosure includes weighted-average price ranges and post-transaction beneficial ownership (93,651 shares), aiding transparency
• Additional 27 shares acquired via Employee Stock Purchase Plan disclosed as exempt under Rule 16b-3

Negative

• Insider disposed of 844 shares on 09/05/2025, reducing beneficial ownership from prior levels to 93,651 shares
• Sale price reported as ranges rather than per-lot prices; full per-price allocation is available only upon request to the Commission

Insights

Financial Analyst

TL;DR: CFO sold 844 shares under a 10b5-1 plan; post-sale holdings remain at 93,651 shares.

The transactions are routine insider sales executed under a Rule 10b5-1 plan adopted August 21, 2024, which provides an affirmative defense under insider trading rules. The filing reports three dispositions on September 5, 2025 totaling 844 shares with weighted-average sale-price ranges disclosed. Post-transaction beneficial ownership is reported as 93,651 shares, and a separate employee stock purchase on August 15, 2025 added 27 shares exempt under Rule 16b-3 provisions. From a financial perspective, these disclosures document liquidity actions by an executive but do not provide earnings or operational metrics to alter valuation models.

Corporate Governance Expert

TL;DR: Sales are governed by a documented 10b5-1 plan; disclosure appears complete per Form 4 requirements.

The filing indicates the reporting person is the Chief Financial Officer and that the sales were made pursuant to a 10b5-1 trading plan, which is explicitly referenced in the explanations. The report includes weighted-average price ranges and notes availability of per-price sale details upon request by the Commission, satisfying common disclosure expectations. The Form 4 is signed by a power of attorney, with signature dated September 8, 2025. These elements suggest procedural compliance with Section 16 reporting and insider-trading safe-harbor practices.

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)
09/05/2025

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	09/05/2025		S(1)		294	D	$134.14(2)	94,201(3)	D
Common Stock	09/05/2025		S(1)		508	D	$135.042(4)	93,693	D
Common Stock	09/05/2025		S(1)		42	D	$136.45	93,651	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 21, 2024.

2. The sale price represents the weighted average price of the shares sold ranging from $133.68 to $134.66 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. Includes 27 shares that were acquired on August 15, 2025 through the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

4. The sale price represents the weighted average price of the shares sold ranging from $134.74 to $135.58 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.

	/s/ Bruce Posey by power of attorney for Joo Mi Kim	09/08/2025
	** 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 did QLYS CFO Joo Mi Kim report on Form 4?

The CFO reported three sales totaling 844 shares on 09/05/2025 and post-transaction beneficial ownership of 93,651 shares.

Were the sales by the QLYS CFO part of a 10b5-1 plan?

Yes. The Form 4 states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 21, 2024.

What sale prices were reported for the QLYS insider transactions?

Weighted-average price ranges were disclosed: $133.68–$134.66, $134.74–$135.58, and a single-price trade reported at $136.45.

Did the filing report any stock purchases for the QLYS CFO?

Yes. The filing discloses acquisition of 27 shares on August 15, 2025 through the company’s Employee Stock Purchase Plan, exempt under Rule 16b-3.

When was the Form 4 signed?

The Form 4 was signed by power of attorney on September 8, 2025.