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  4. [Form 4] Qualys, Inc. Insider Trading Activity

[Form 4] Qualys, Inc. Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

Wendy Pfeiffer, a director of Qualys, Inc. (QLYS), sold 200 shares of company common stock on 08/15/2025 at $129.72 per share. The Form 4 reports that after the sale she beneficially owned 11,082 shares, held directly. The filing states the sale was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 21, 2025. The Form 4 was submitted on 08/18/2025 and signed under power of attorney by Bruce Posey.

Wendy Pfeiffer, membro del consiglio di Qualys, Inc. (QLYS), ha venduto 200 azioni ordinarie della societ脿 il 15/08/2025 al prezzo di $129,72 per azione. Il Modulo 4 indica che dopo la vendita deteneva beneficiariamente 11.082 azioni, possedute direttamente. Il documento specifica che la vendita 猫 stata eseguita in base a un piano di negoziazione ai sensi della Rule 10b5-1 adottato dalla persona segnalante il 21 febbraio 2025. Il Modulo 4 猫 stato presentato il 18/08/2025 e firmato per procura da Bruce Posey.

Wendy Pfeiffer, directora de Qualys, Inc. (QLYS), vendi贸 200 acciones comunes de la empresa el 15/08/2025 a $129.72 por acci贸n. El Formulario 4 informa que despu茅s de la venta pose铆a de forma beneficiaria 11,082 acciones, mantenidas directamente. La presentaci贸n indica que la venta se realiz贸 conforme a un plan de negociaci贸n Rule 10b5-1 adoptado por la persona informante el 21 de febrero de 2025. El Formulario 4 se present贸 el 18/08/2025 y fue firmado por poder por Bruce Posey.

Qualys, Inc.(QLYS) 鞚挫偓鞚� Wendy Pfeiffer臧� 2025雲� 8鞗� 15鞚检棎 須岇偓 氤错喌欤� 200欤茧ゼ 欤茧嫻 $129.72鞐� 毵る弰頄堨姷雼堧嫟. Form 4電� 毵る弰 頉� 攴鸽厐臧� 歆侅爲 氤挫湢頃橂姅 鞁れ鞝� 靻岇湢欤茧靹� 11,082欤茧ゼ 氤挫湢頃橁碃 鞛堧嫟瓿� 氤搓碃頃╇媹雼�. 鞁犼碃靹滌棎電� 頃措嫻 毵る弰臧� 2025雲� 2鞗� 21鞚� 鞁犼碃鞚胳澊 毂勴儩頃� Rule 10b5-1 瓯半灅瓿勴殟鞐� 霐半澕 鞁ろ枆霅橃棃雼り碃 氇呾嫓霅橃柎 鞛堨姷雼堧嫟. Form 4電� 2025雲� 8鞗� 18鞚� 鞝滌稖霅橃棃鞙茧┌ Bruce Posey臧� 鞙勳瀯鞛レ溂搿� 靹滊獏頄堨姷雼堧嫟.

Wendy Pfeiffer, administratrice de Qualys, Inc. (QLYS), a vendu 200 actions ordinaires de la soci茅t茅 le 15/08/2025 au prix de 129,72 $ par action. Le formulaire 4 indique qu'apr猫s la vente elle d茅tenait b茅n茅ficiairement 11 082 actions, d茅tenues directement. Le d茅p么t pr茅cise que la vente a 茅t茅 ex茅cut茅e en vertu d'un plan de n茅gociation Rule 10b5-1 adopt茅 par la personne d茅clarante le 21 f茅vrier 2025. Le formulaire 4 a 茅t茅 soumis le 18/08/2025 et sign茅 par procuration par Bruce Posey.

Wendy Pfeiffer, Direktorin von Qualys, Inc. (QLYS), verkaufte am 15.08.2025 200 Stammaktien des Unternehmens zu je $129,72. Im Formular 4 wird angegeben, dass sie nach dem Verkauf wirtschaftlich 11.082 Aktien direkt besa脽. Die Einreichung besagt, dass der Verkauf gem盲脽 einem Rule鈥�10b5鈥�1鈥慔andelsplan ausgef眉hrt wurde, den die meldende Person am 21. Februar 2025 angenommen hatte. Das Formular 4 wurde am 18.08.2025 eingereicht und von Bruce Posey per Vollmacht unterzeichnet.

Positive
  • Sale executed under a Rule 10b5-1 trading plan, indicating a pre-established, documented trading arrangement
  • Complete post-transaction disclosure: the filing reports the transaction date, price, and that 11,082 shares remain beneficially owned
  • Timely Form 4 submission with signature executed by power of attorney on 08/18/2025
Negative
  • None.

Insights

TL;DR: Small director sale executed under a pre-established 10b5-1 plan; holdings remain disclosed.

The reported sale of 200 shares at $129.72 is explicitly described as occurring under a Rule 10b5-1 trading plan adopted on February 21, 2025. The transaction reduced direct holdings to 11,082 shares. This is a routine disclosure that documents compliance with insider-trading safe-harbor procedures rather than a material change to ownership. No derivative transactions or additional securities classes are reported.

TL;DR: Disclosure shows proper use of a documented 10b5-1 plan and timely Form 4 reporting.

The Form 4 clearly states the sale was effected pursuant to a documented 10b5-1 plan, which supports procedural compliance with Section 16 reporting requirements. The filing includes the required details: transaction date, price, post-transaction beneficial ownership and a power-of-attorney signature. There are no indications of undisclosed related-party transactions or amendments in this filing.

Wendy Pfeiffer, membro del consiglio di Qualys, Inc. (QLYS), ha venduto 200 azioni ordinarie della societ脿 il 15/08/2025 al prezzo di $129,72 per azione. Il Modulo 4 indica che dopo la vendita deteneva beneficiariamente 11.082 azioni, possedute direttamente. Il documento specifica che la vendita 猫 stata eseguita in base a un piano di negoziazione ai sensi della Rule 10b5-1 adottato dalla persona segnalante il 21 febbraio 2025. Il Modulo 4 猫 stato presentato il 18/08/2025 e firmato per procura da Bruce Posey.

Wendy Pfeiffer, directora de Qualys, Inc. (QLYS), vendi贸 200 acciones comunes de la empresa el 15/08/2025 a $129.72 por acci贸n. El Formulario 4 informa que despu茅s de la venta pose铆a de forma beneficiaria 11,082 acciones, mantenidas directamente. La presentaci贸n indica que la venta se realiz贸 conforme a un plan de negociaci贸n Rule 10b5-1 adoptado por la persona informante el 21 de febrero de 2025. El Formulario 4 se present贸 el 18/08/2025 y fue firmado por poder por Bruce Posey.

Qualys, Inc.(QLYS) 鞚挫偓鞚� Wendy Pfeiffer臧� 2025雲� 8鞗� 15鞚检棎 須岇偓 氤错喌欤� 200欤茧ゼ 欤茧嫻 $129.72鞐� 毵る弰頄堨姷雼堧嫟. Form 4電� 毵る弰 頉� 攴鸽厐臧� 歆侅爲 氤挫湢頃橂姅 鞁れ鞝� 靻岇湢欤茧靹� 11,082欤茧ゼ 氤挫湢頃橁碃 鞛堧嫟瓿� 氤搓碃頃╇媹雼�. 鞁犼碃靹滌棎電� 頃措嫻 毵る弰臧� 2025雲� 2鞗� 21鞚� 鞁犼碃鞚胳澊 毂勴儩頃� Rule 10b5-1 瓯半灅瓿勴殟鞐� 霐半澕 鞁ろ枆霅橃棃雼り碃 氇呾嫓霅橃柎 鞛堨姷雼堧嫟. Form 4電� 2025雲� 8鞗� 18鞚� 鞝滌稖霅橃棃鞙茧┌ Bruce Posey臧� 鞙勳瀯鞛レ溂搿� 靹滊獏頄堨姷雼堧嫟.

Wendy Pfeiffer, administratrice de Qualys, Inc. (QLYS), a vendu 200 actions ordinaires de la soci茅t茅 le 15/08/2025 au prix de 129,72 $ par action. Le formulaire 4 indique qu'apr猫s la vente elle d茅tenait b茅n茅ficiairement 11 082 actions, d茅tenues directement. Le d茅p么t pr茅cise que la vente a 茅t茅 ex茅cut茅e en vertu d'un plan de n茅gociation Rule 10b5-1 adopt茅 par la personne d茅clarante le 21 f茅vrier 2025. Le formulaire 4 a 茅t茅 soumis le 18/08/2025 et sign茅 par procuration par Bruce Posey.

Wendy Pfeiffer, Direktorin von Qualys, Inc. (QLYS), verkaufte am 15.08.2025 200 Stammaktien des Unternehmens zu je $129,72. Im Formular 4 wird angegeben, dass sie nach dem Verkauf wirtschaftlich 11.082 Aktien direkt besa脽. Die Einreichung besagt, dass der Verkauf gem盲脽 einem Rule鈥�10b5鈥�1鈥慔andelsplan ausgef眉hrt wurde, den die meldende Person am 21. Februar 2025 angenommen hatte. Das Formular 4 wurde am 18.08.2025 eingereicht und von Bruce Posey per Vollmacht unterzeichnet.

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*
Pfeiffer Wendy
(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)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025
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 08/15/2025 S(1) 200 D $129.72 11,082 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 February 21, 2025.
/s/ Bruce Posey, by power of attorney 08/18/2025
** 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.

Source:

FAQ

What insider transaction did Wendy Pfeiffer report for QLYS?

The Form 4 reports that Wendy Pfeiffer sold 200 shares of Qualys common stock on 08/15/2025 at a price of $129.72 per share.

Was the sale by the QLYS director part of a 10b5-1 trading plan?

Yes. The filing states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted on February 21, 2025.

How many QLYS shares did the reporting person own after the reported sale?

Following the reported transaction, the reporting person beneficially owned 11,082 shares (direct ownership).

Who signed the Form 4 for Wendy Pfeiffer?

The Form 4 was signed under power of attorney by Bruce Posey on 08/18/2025.

Does the Form 4 report any derivative transactions or other securities?

No. The filing contains only a non-derivative sale of common stock; no derivative securities are reported in Table II.
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Qualys Inc

NASDAQ:QLYS

QLYS Rankings

#1376 Ranked by Market Cap
N/A Ranked by Dividends

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[144] Qualys, Inc. SEC Filing
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[Form 4] Qualys, Inc. Insider Trading Activity

QLYS Stock Data

4.78B
35.89M
0.59%
99.52%
8.4%
Software - Infrastructure
Services-prepackaged Software
United States
FOSTER CITY