{"transactions":[{"id":4640984,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-10-15T21:25:03.000Z","date":"2026-10-14","kind":"sale","planned":true,"acquired":false,"shares":400,"price":194.3025,"value":77721.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price represents the weighted average price of the shares sold ranging from $194.01 to $194.54 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":177138,"source":{"system":"sec-edgar","filing":"0001558242-26-000026","document":"form4-10152026_091058.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000026/form4-10152026_091058.xml","form_type":"4"}},{"id":4640983,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-10-15T21:25:03.000Z","date":"2026-10-14","kind":"sale","planned":true,"acquired":false,"shares":500,"price":192.8388,"value":96419.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $192.43 to $193.41 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":177538,"source":{"system":"sec-edgar","filing":"0001558242-26-000026","document":"form4-10152026_091058.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000026/form4-10152026_091058.xml","form_type":"4"}},{"id":4640982,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-10-15T21:25:03.000Z","date":"2026-10-14","kind":"sale","planned":true,"acquired":false,"shares":400,"price":189.985,"value":75994.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $189.85 to $190.11 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":178038,"source":{"system":"sec-edgar","filing":"0001558242-26-000026","document":"form4-10152026_091058.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000026/form4-10152026_091058.xml","form_type":"4"}},{"id":4640981,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-10-15T21:25:03.000Z","date":"2026-10-14","kind":"sale","planned":true,"acquired":false,"shares":1500,"price":189.202,"value":283803.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $188.79 to $189.77 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":178438,"source":{"system":"sec-edgar","filing":"0001558242-26-000026","document":"form4-10152026_091058.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000026/form4-10152026_091058.xml","form_type":"4"}},{"id":4640980,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-10-15T21:25:03.000Z","date":"2026-10-14","kind":"sale","planned":true,"acquired":false,"shares":400,"price":188.0254,"value":75210.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $187.64 to $188.18 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":179938,"source":{"system":"sec-edgar","filing":"0001558242-26-000026","document":"form4-10152026_091058.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000026/form4-10152026_091058.xml","form_type":"4"}},{"id":4625099,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-23T01:12:03.000Z","date":"2026-09-21","kind":"sale","planned":true,"acquired":false,"shares":199,"price":181.0318,"value":36025.3282,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $180.65 to $181.55 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."}],"balance_after":58688,"source":{"system":"sec-edgar","filing":"0001254781-26-000026","document":"form4-09232026_010957.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1254781/000125478126000026/form4-09232026_010957.xml","form_type":"4"}},{"id":4625098,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-23T01:12:03.000Z","date":"2026-09-21","kind":"sale","planned":true,"acquired":false,"shares":327,"price":179.9499,"value":58843.6173,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $179.61 to $180.55 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."}],"balance_after":58887,"source":{"system":"sec-edgar","filing":"0001254781-26-000026","document":"form4-09232026_010957.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1254781/000125478126000026/form4-09232026_010957.xml","form_type":"4"}},{"id":4625097,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-23T01:12:03.000Z","date":"2026-09-21","kind":"sale","planned":true,"acquired":false,"shares":241,"price":178.9571,"value":43128.6611,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $178.41 to $179.36 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":59214,"source":{"system":"sec-edgar","filing":"0001254781-26-000026","document":"form4-09232026_010957.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1254781/000125478126000026/form4-09232026_010957.xml","form_type":"4"}},{"id":4625096,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-23T01:12:03.000Z","date":"2026-09-21","kind":"sale","planned":true,"acquired":false,"shares":27,"price":177.9833,"value":4805.5491,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $177.36 to $178.35 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":59455,"source":{"system":"sec-edgar","filing":"0001254781-26-000026","document":"form4-09232026_010957.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1254781/000125478126000026/form4-09232026_010957.xml","form_type":"4"}},{"id":4625095,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-23T01:12:03.000Z","date":"2026-09-21","kind":"sale","planned":true,"acquired":false,"shares":72,"price":175.54,"value":12638.88,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."}],"balance_after":59482,"source":{"system":"sec-edgar","filing":"0001254781-26-000026","document":"form4-09232026_010957.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1254781/000125478126000026/form4-09232026_010957.xml","form_type":"4"}},{"id":4618795,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":100,"price":174.71,"value":17471.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."}],"balance_after":180338,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618794,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":500,"price":173.92,"value":86960.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price represents the weighted average price of the shares sold ranging from $173.68 to $174.43 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":180438,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618793,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":1500,"price":172.9247,"value":259387.05,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $172.60 to $173.52 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":180938,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618792,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":100,"price":170.9,"value":17090.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."}],"balance_after":182438,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618791,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":200,"price":169.345,"value":33869.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $169.30 to $169.39 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":182538,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618790,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":100,"price":167.58,"value":16758.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."}],"balance_after":182738,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618789,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":100,"price":165.94,"value":16594.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."}],"balance_after":182838,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618788,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":300,"price":162.43,"value":48729.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $162.20 to $162.55 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."}],"balance_after":182938,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618787,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":200,"price":159.275,"value":31855.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $158.98 to $159.57 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":183238,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":4618786,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-09-16T00:21:37.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":100,"price":154.39,"value":15439.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."}],"balance_after":183438,"source":{"system":"sec-edgar","filing":"0001558242-26-000024","document":"form4-09162026_120932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558242/000155824226000024/form4-09162026_120932.xml","form_type":"4"}},{"id":1861,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1527,"kind":"person","name":"Berquist Thomas","position":1,"cik":"0001433254","reported_name":"Berquist Thomas","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-03T20:04:31.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":511,"price":175.27,"value":89562.97,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."}],"balance_after":6270,"source":{"system":"sec-edgar","filing":"0001433254-26-000006","document":"form4-09032026_080927.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1433254/000143325426000006/form4-09032026_080927.xml","form_type":"4"}},{"id":1857,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-03T20:03:11.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":102,"price":172.37,"value":17581.74,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price represents the weighted average price of the shares sold ranging from $172.15 to $172.59 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":74713,"source":{"system":"sec-edgar","filing":"0001814777-26-000023","document":"form4-09032026_080907.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1814777/000181477726000023/form4-09032026_080907.xml","form_type":"4"}},{"id":1856,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-03T20:03:11.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":265,"price":171.1442,"value":45353.213,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $170.69 to $171.49 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":74815,"source":{"system":"sec-edgar","filing":"0001814777-26-000023","document":"form4-09032026_080907.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1814777/000181477726000023/form4-09032026_080907.xml","form_type":"4"}},{"id":1855,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-03T20:03:11.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":204,"price":170.0475,"value":34689.69,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $169.68 to $170.64 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":75080,"source":{"system":"sec-edgar","filing":"0001814777-26-000023","document":"form4-09032026_080907.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1814777/000181477726000023/form4-09032026_080907.xml","form_type":"4"}},{"id":1854,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-03T20:03:11.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":166,"price":168.754,"value":28013.164,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $168.37 to $169.01 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":75284,"source":{"system":"sec-edgar","filing":"0001814777-26-000023","document":"form4-09032026_080907.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1814777/000181477726000023/form4-09032026_080907.xml","form_type":"4"}},{"id":1853,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-09-03T20:03:11.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":293,"price":167.4897,"value":49074.4821,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $166.97 to $167.85 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."}],"balance_after":75450,"source":{"system":"sec-edgar","filing":"0001814777-26-000023","document":"form4-09032026_080907.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1814777/000181477726000023/form4-09032026_080907.xml","form_type":"4"}},{"id":679182,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-21T20:09:03.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":280,"price":185.9138,"value":52055.864,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $185.39 to $186.38 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":59554,"source":{"system":"sec-edgar","filing":"0001254781-26-000024","document":"form4-08212026_080855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000024/form4-08212026_080855.xml","form_type":"4"}},{"id":679181,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-21T20:09:03.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":96,"price":184.249,"value":17687.904,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $184.06 to $184.91 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":59834,"source":{"system":"sec-edgar","filing":"0001254781-26-000024","document":"form4-08212026_080855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000024/form4-08212026_080855.xml","form_type":"4"}},{"id":679180,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-21T20:09:03.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":393,"price":183.5817,"value":72147.6081,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $183.06 to $184.04 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":59930,"source":{"system":"sec-edgar","filing":"0001254781-26-000024","document":"form4-08212026_080855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000024/form4-08212026_080855.xml","form_type":"4"}},{"id":679179,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-21T20:09:03.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":97,"price":181.9875,"value":17652.7875,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $181.85 to $182.06 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":60323,"source":{"system":"sec-edgar","filing":"0001254781-26-000024","document":"form4-08212026_080855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000024/form4-08212026_080855.xml","form_type":"4"}},{"id":679178,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20975,"kind":"person","name":"Pfeiffer Wendy","position":1,"cik":"0001786612","reported_name":"Pfeiffer Wendy","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-21T20:05:36.000Z","date":"2026-08-20","kind":"sale","planned":true,"acquired":false,"shares":500,"price":185,"value":92500.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 20, 2026."}],"balance_after":11710,"source":{"system":"sec-edgar","filing":"0001786612-26-000011","document":"form4-08212026_080829.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000178661226000011/form4-08212026_080829.xml","form_type":"4"}},{"id":685893,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-08-17T20:04:18.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":100,"price":192.2748,"value":19227.48,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price represents the weighted average price of the shares sold ranging from $192.15 to $192.53 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":183538,"source":{"system":"sec-edgar","filing":"0001558242-26-000022","document":"form4-08172026_080811.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000022/form4-08172026_080811.xml","form_type":"4"}},{"id":685892,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-08-17T20:04:18.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":600,"price":190.4917,"value":114295.02,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $190.14 to $190.93 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":183638,"source":{"system":"sec-edgar","filing":"0001558242-26-000022","document":"form4-08172026_080811.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000022/form4-08172026_080811.xml","form_type":"4"}},{"id":685891,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-08-17T20:04:18.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":1300,"price":189.4095,"value":246232.35,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $189.04 to $189.92 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":184238,"source":{"system":"sec-edgar","filing":"0001558242-26-000022","document":"form4-08172026_080811.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000022/form4-08172026_080811.xml","form_type":"4"}},{"id":685890,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-08-17T20:04:18.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":794,"price":188.0678,"value":149325.8332,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $187.54 to $188.52 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":185538,"source":{"system":"sec-edgar","filing":"0001558242-26-000022","document":"form4-08172026_080811.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000022/form4-08172026_080811.xml","form_type":"4"}},{"id":685889,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-08-17T20:04:18.000Z","date":"2026-08-14","kind":"sale","planned":true,"acquired":false,"shares":406,"price":186.2752,"value":75627.7312,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $185.79 to $186.62 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":186332,"source":{"system":"sec-edgar","filing":"0001558242-26-000022","document":"form4-08172026_080811.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000022/form4-08172026_080811.xml","form_type":"4"}},{"id":697738,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-04T21:25:18.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":100,"price":155.12,"value":15512.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."}],"balance_after":75743,"source":{"system":"sec-edgar","filing":"0001814777-26-000021","document":"form4-08042026_090812.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000181477726000021/form4-08042026_090812.xml","form_type":"4"}},{"id":697737,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-04T21:25:18.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":827,"price":154.5088,"value":127778.7776,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $154.05 to $154.96 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":75843,"source":{"system":"sec-edgar","filing":"0001814777-26-000021","document":"form4-08042026_090812.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000181477726000021/form4-08042026_090812.xml","form_type":"4"}},{"id":697736,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-04T21:25:18.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":300,"price":152.78,"value":45834.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $152.20 to $153.07 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":76670,"source":{"system":"sec-edgar","filing":"0001814777-26-000021","document":"form4-08042026_090812.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000181477726000021/form4-08042026_090812.xml","form_type":"4"}},{"id":697735,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2026-08-04T21:25:18.000Z","date":"2026-08-03","kind":"sale","planned":true,"acquired":false,"shares":200,"price":151.47,"value":30294.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $151.12 to $151.82 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":76970,"source":{"system":"sec-edgar","filing":"0001814777-26-000021","document":"form4-08042026_090812.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000181477726000021/form4-08042026_090812.xml","form_type":"4"}},{"id":697734,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":1520,"kind":"person","name":"Kim Joo Mi","position":1,"cik":"0001814777","reported_name":"Kim Joo Mi","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF FINANCIAL OFFICER"}}],"security":"Common 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shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units."}],"balance_after":60420,"source":{"system":"sec-edgar","filing":"0001254781-26-000022","document":"form4-08032026_090822.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000022/form4-08032026_090822.xml","form_type":"4"}},{"id":699134,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common 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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":62732,"source":{"system":"sec-edgar","filing":"0001254781-26-000021","document":"form4-07212026_110705.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000021/form4-07212026_110705.xml","form_type":"4"}},{"id":705311,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-07-21T23:38:09.000Z","date":"2026-07-20","kind":"sale","planned":true,"acquired":false,"shares":334,"price":158.058,"value":52791.372,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $157.79 to $158.49 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":62994,"source":{"system":"sec-edgar","filing":"0001254781-26-000021","document":"form4-07212026_110705.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000021/form4-07212026_110705.xml","form_type":"4"}},{"id":705310,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-07-21T23:38:09.000Z","date":"2026-07-20","kind":"sale","planned":true,"acquired":false,"shares":243,"price":156.7107,"value":38080.7001,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $156.28 to $157.08 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":63328,"source":{"system":"sec-edgar","filing":"0001254781-26-000021","document":"form4-07212026_110705.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000021/form4-07212026_110705.xml","form_type":"4"}},{"id":705307,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20975,"kind":"person","name":"Pfeiffer Wendy","position":1,"cik":"0001786612","reported_name":"Pfeiffer Wendy","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-21T23:37:22.000Z","date":"2026-07-20","kind":"sale","planned":true,"acquired":false,"shares":500,"price":158.19,"value":79095.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 20, 2026."}],"balance_after":12210,"source":{"system":"sec-edgar","filing":"0001786612-26-000009","document":"form4-07212026_110718.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000178661226000009/form4-07212026_110718.xml","form_type":"4"}},{"id":709255,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-07-15T23:58:40.000Z","date":"2026-07-14","kind":"sale","planned":true,"acquired":false,"shares":200,"price":163.565,"value":32713.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price represents the weighted average price of the shares sold ranging from $163.48 to $163.65 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":193486,"source":{"system":"sec-edgar","filing":"0001558242-26-000019","document":"form4-07152026_110736.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000019/form4-07152026_110736.xml","form_type":"4"}},{"id":709254,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-07-15T23:58:40.000Z","date":"2026-07-14","kind":"sale","planned":true,"acquired":false,"shares":200,"price":162.4,"value":32480.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $162.18 to $162.62 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":193686,"source":{"system":"sec-edgar","filing":"0001558242-26-000019","document":"form4-07152026_110736.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000019/form4-07152026_110736.xml","form_type":"4"}},{"id":709253,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-07-15T23:58:40.000Z","date":"2026-07-14","kind":"sale","planned":true,"acquired":false,"shares":1570,"price":161.6949,"value":253860.993,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $161.16 to $162.07 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":193886,"source":{"system":"sec-edgar","filing":"0001558242-26-000019","document":"form4-07152026_110736.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000019/form4-07152026_110736.xml","form_type":"4"}},{"id":709252,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-07-15T23:58:40.000Z","date":"2026-07-14","kind":"sale","planned":true,"acquired":false,"shares":730,"price":160.8148,"value":117394.804,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $160.16 to $161.15 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":195456,"source":{"system":"sec-edgar","filing":"0001558242-26-000019","document":"form4-07152026_110736.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000019/form4-07152026_110736.xml","form_type":"4"}},{"id":709251,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-07-15T23:58:40.000Z","date":"2026-07-14","kind":"sale","planned":true,"acquired":false,"shares":200,"price":157.745,"value":31549.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $157.27 to $158.22 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":196186,"source":{"system":"sec-edgar","filing":"0001558242-26-000019","document":"form4-07152026_110736.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000019/form4-07152026_110736.xml","form_type":"4"}},{"id":709250,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common 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in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026."}],"balance_after":216686,"source":{"system":"sec-edgar","filing":"0001558242-26-000018","document":"form4-07022026_010703.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000018/form4-07022026_010703.xml","form_type":"4"}},{"id":723089,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common 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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":226686,"source":{"system":"sec-edgar","filing":"0001558242-26-000016","document":"form4-06302026_080632.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000016/form4-06302026_080632.xml","form_type":"4"}},{"id":723088,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-06-30T20:21:36.000Z","date":"2026-06-29","kind":"sale","planned":true,"acquired":false,"shares":4994,"price":126.9574,"value":634025.2556,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $126.15 to $127.14 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":228992,"source":{"system":"sec-edgar","filing":"0001558242-26-000016","document":"form4-06302026_080632.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000016/form4-06302026_080632.xml","form_type":"4"}},{"id":723087,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-06-30T20:21:36.000Z","date":"2026-06-29","kind":"sale","planned":true,"acquired":false,"shares":2700,"price":125.603,"value":339128.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $125.00 to $125.98 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":233986,"source":{"system":"sec-edgar","filing":"0001558242-26-000016","document":"form4-06302026_080632.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000016/form4-06302026_080632.xml","form_type":"4"}},{"id":724636,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-06-29T21:06:47.000Z","date":"2026-06-26","kind":"sale","planned":true,"acquired":false,"shares":200,"price":121.1,"value":24220.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."}],"balance_after":236686,"source":{"system":"sec-edgar","filing":"0001558242-26-000014","document":"form4-06292026_090641.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000014/form4-06292026_090641.xml","form_type":"4"}},{"id":724635,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-06-29T21:06:47.000Z","date":"2026-06-26","kind":"sale","planned":true,"acquired":false,"shares":9800,"price":120.4688,"value":1180594.24,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $120.00 to $120.895 per share. 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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":64735,"source":{"system":"sec-edgar","filing":"0001254781-26-000017","document":"form4-06232026_090609.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000125478126000017/form4-06232026_090609.xml","form_type":"4"}},{"id":729473,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":20976,"kind":"person","name":"POSEY BRUCE K","position":1,"cik":"0001254781","reported_name":"POSEY BRUCE K","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER"}}],"security":"Common Stock","published_at":"2026-06-23T21:09:12.000Z","date":"2026-06-22","kind":"sale","planned":true,"acquired":false,"shares":465,"price":108.7971,"value":50590.6515,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $108.37 to $109.34 per share. 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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":246686,"source":{"system":"sec-edgar","filing":"0001558242-26-000012","document":"form4-06162026_080620.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000012/form4-06162026_080620.xml","form_type":"4"}},{"id":736635,"issuer":{"id":1519,"kind":"organization","name":"QUALYS, INC.","symbol":"QLYS"},"owners":[{"id":23018,"kind":"person","name":"Thakar Sumedh S","position":1,"cik":"0001558242","reported_name":"Thakar Sumedh S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO & PRESIDENT"}}],"security":"Common Stock","published_at":"2026-06-16T20:12:25.000Z","date":"2026-06-15","kind":"sale","planned":true,"acquired":false,"shares":1500,"price":114.3107,"value":171466.05,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 27, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $114.03 to $114.58 per share. 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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":83211,"source":{"system":"sec-edgar","filing":"0001814777-26-000014","document":"form4-05212026_080546.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000181477726000014/form4-05212026_080546.xml","form_type":"4"}}],"next_cursor":"2026-05-21T20:02:56.000000Z,768498"}