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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."}],"balance_after":4071,"source":{"system":"sec-edgar","filing":"0001415889-25-023299","document":"form4-08292025_080809.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925023299/form4-08292025_080809.xml","form_type":"4"}},{"id":1057041,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":39403,"kind":"person","name":"Zangardi John A.","position":1,"cik":"0001806957","reported_name":"Zangardi John A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-25T22:40:24.000Z","date":"2025-08-22","kind":"sale","planned":false,"acquired":false,"shares":3860,"price":134.8197,"value":520404.042,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price represents the weighted average price of the shares sold ranging from $134.575 to $135.12 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."}],"balance_after":7174,"source":{"system":"sec-edgar","filing":"0001415889-25-022950","document":"form4-08252025_100821.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925022950/form4-08252025_100821.xml","form_type":"4"}},{"id":1065696,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":39403,"kind":"person","name":"Zangardi John A.","position":1,"cik":"0001806957","reported_name":"Zangardi John A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-15T21:10:57.000Z","date":"2025-08-13","kind":"sale","planned":false,"acquired":false,"shares":1287,"price":132.0266,"value":169918.2342,"ownership":{"direct":true},"balance_after":11034,"source":{"system":"sec-edgar","filing":"0001415889-25-022095","document":"form4-08152025_090853.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925022095/form4-08152025_090853.xml","form_type":"4"}},{"id":1112230,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":39403,"kind":"person","name":"Zangardi John A.","position":1,"cik":"0001806957","reported_name":"Zangardi John A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-13T20:18:30.000Z","date":"2025-06-11","kind":"grant","planned":false,"acquired":true,"shares":1879,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported securities represent restricted stock units which vest on the earlier of (i) June 11, 2026 or (ii) the day before the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service through each such vesting date."}],"balance_after":12321,"source":{"system":"sec-edgar","filing":"0001415889-25-017187","document":"form4-06132025_080627.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925017187/form4-06132025_080627.xml","form_type":"4"}},{"id":1277060,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":39403,"kind":"person","name":"Zangardi John A.","position":1,"cik":"0001806957","reported_name":"Zangardi John A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-02-10T21:18:05.000Z","date":"2024-08-13","kind":"purchase","planned":false,"acquired":true,"shares":5,"price":125.58,"value":627.9,"ownership":{"direct":false,"nature":"By Son"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Pursuant to Section 16 reporting requirements, the Form 4 reflects purchases of the Issuer's Common Stock made by the Reporting Person's son.   The Reporting Person was recently notified of the transaction by his son, resulting in today's filing.  This report shall not be deemed an admission by the Reporting Person that he is the beneficial owner of any of the securities acquired by his son, other than for purposes of Section 16."}],"balance_after":5,"source":{"system":"sec-edgar","filing":"0001415889-25-003459","document":"form4-02102025_090202.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925003459/form4-02102025_090202.xml","form_type":"4"}},{"id":1479560,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":39403,"kind":"person","name":"Zangardi John A.","position":1,"cik":"0001806957","reported_name":"Zangardi John A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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