Qualys (NASDAQ: QLYS) CLO sells 100 shares in Rule 10b5-1 trade

Rhea-AI Filing Summary

Qualys chief legal officer Bruce K. Posey reported an open-market sale of 100 shares of common stock at a weighted average price of $100.1835 per share. The sale was executed under a Rule 10b5-1 trading plan adopted on August 21, 2025, and left him holding 71,020 shares.

Insider Trade Summary

Net Seller: 100 shares ($10,018)

Net Sell 1 txn

Insider POSEY BRUCE K

Role CHIEF LEGAL OFFICER

Sold 100 shs ($10K)

Type	Security	Shares	Price	Value
Sale	Common Stock	100	$100.1835	$10K

Holdings After Transaction: Common Stock — 71,020 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 21, 2025. The sale price represents the weighted average price of the shares sold ranging from $100.06 to $100.55 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^*

POSEY BRUCE K

(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 LEGAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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	03/05/2026		S(1)		100	D	$100.1835(2)	71,020	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, 2025.

2. The sale price represents the weighted average price of the shares sold ranging from $100.06 to $100.55 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 K. Posey	03/06/2026
	** 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 on this Form 4?

Qualys (QLYS) reported that chief legal officer Bruce K. Posey sold 100 shares of common stock in an open-market transaction. The sale was executed at a weighted average price of $100.1835 per share and was disclosed as a routine insider trade.

At what price did the Qualys (QLYS) insider sell shares?

Bruce K. Posey sold his 100 Qualys (QLYS) shares at a weighted average price of $100.1835. A footnote explains the sale price reflects trades between $100.06 and $100.55 per share, with full pricing details available upon request from the company or regulators.

How many Qualys (QLYS) shares does Bruce K. Posey hold after the sale?

After this Form 4 transaction, Bruce K. Posey beneficially owns 71,020 Qualys (QLYS) common shares. The filing states this total as his direct holdings following the 100-share open-market sale, giving investors a clear picture of his remaining equity position at the company.

Was the Qualys (QLYS) insider trade made under a Rule 10b5-1 plan?

Yes. The filing states the sale was made under a Rule 10b5-1 trading plan adopted by Bruce K. Posey on August 21, 2025. Such plans pre-schedule trades, helping insiders diversify holdings while reducing concerns about trading on material nonpublic information.

Who is the Qualys (QLYS) insider involved in this Form 4 filing?

The insider is Bruce K. Posey, the chief legal officer of Qualys (QLYS). He is identified as an officer but not a director or 10% owner. The Form 4 records his open-market sale of 100 common shares and his resulting ownership of 71,020 shares.