{"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":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":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":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 Stock","published_at":"2026-08-03T20:59:31.000Z","date":"2026-08-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":6748,"price":144.75,"value":976773.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units."}],"balance_after":186738,"source":{"system":"sec-edgar","filing":"0001558242-26-000020","document":"form4-08032026_080828.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000020/form4-08032026_080828.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":196686,"source":{"system":"sec-edgar","filing":"0001558242-26-000018","document":"form4-07022026_010703.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000018/form4-07022026_010703.xml","form_type":"4"}},{"id":721740,"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. 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":236886,"source":{"system":"sec-edgar","filing":"0001558242-26-000014","document":"form4-06292026_090641.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000014/form4-06292026_090641.xml","form_type":"4"}},{"id":736636,"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":115.6587,"value":173488.05,"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":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $115.28 to $116.05 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":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. 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":248186,"source":{"system":"sec-edgar","filing":"0001558242-26-000012","document":"form4-06162026_080620.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000012/form4-06162026_080620.xml","form_type":"4"}},{"id":736634,"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":200,"price":112.075,"value":22415.0,"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 $112.05 to $112.10 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":249686,"source":{"system":"sec-edgar","filing":"0001558242-26-000012","document":"form4-06162026_080620.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000012/form4-06162026_080620.xml","form_type":"4"}},{"id":755514,"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":"2026-06-02T20:45:45.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":39,"price":115.57,"value":4507.23,"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":249886,"source":{"system":"sec-edgar","filing":"0001558242-26-000010","document":"form4-06022026_080640.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000010/form4-06022026_080640.xml","form_type":"4"}},{"id":755513,"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":"2026-06-02T20:45:45.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":10861,"price":114.9717,"value":1248707.6337,"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 $114.43 to $115.00 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":249925,"source":{"system":"sec-edgar","filing":"0001558242-26-000010","document":"form4-06022026_080640.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000010/form4-06022026_080640.xml","form_type":"4"}},{"id":755512,"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":"2026-06-02T20:45:45.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":113.9524,"value":193719.08,"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 $113.31 to $114.30 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":260786,"source":{"system":"sec-edgar","filing":"0001558242-26-000010","document":"form4-06022026_080640.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000010/form4-06022026_080640.xml","form_type":"4"}},{"id":755511,"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":"2026-06-02T20:45:45.000Z","date":"2026-06-01","kind":"sale","planned":true,"acquired":false,"shares":600,"price":112.4554,"value":67473.24,"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 $112.04 to $112.82 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":262486,"source":{"system":"sec-edgar","filing":"0001558242-26-000010","document":"form4-06022026_080640.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000010/form4-06022026_080640.xml","form_type":"4"}},{"id":794311,"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":248000,"source":{"system":"sec-edgar","filing":"0001558242-26-000002","document":"form4-01162026_100148.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000002/form4-01162026_100148.xml","form_type":"4"}},{"id":937622,"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":"2026-01-16T22:08:52.000Z","date":"2026-01-14","kind":"sale","planned":true,"acquired":false,"shares":1200,"price":133.0087,"value":159610.44,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $132.65 to $133.40 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":251200,"source":{"system":"sec-edgar","filing":"0001558242-26-000002","document":"form4-01162026_100148.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824226000002/form4-01162026_100148.xml","form_type":"4"}},{"id":937621,"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":"2026-01-16T22:08:52.000Z","date":"2026-01-14","kind":"sale","planned":true,"acquired":false,"shares":400,"price":131.9839,"value":52793.56,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $131.53 to $132.38 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":255200,"source":{"system":"sec-edgar","filing":"0001558242-25-000015","document":"form4-12162025_111219.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000015/form4-12162025_111219.xml","form_type":"4"}},{"id":968050,"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":"2025-12-16T23:05:24.000Z","date":"2025-12-15","kind":"sale","planned":true,"acquired":false,"shares":2100,"price":146.3312,"value":307295.52,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $146.01 to $146.99 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":256600,"source":{"system":"sec-edgar","filing":"0001558242-25-000015","document":"form4-12162025_111219.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000015/form4-12162025_111219.xml","form_type":"4"}},{"id":968049,"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":"2025-12-16T23:05:24.000Z","date":"2025-12-15","kind":"sale","planned":true,"acquired":false,"shares":2600,"price":145.4927,"value":378281.02,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $144.99 to $145.97 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":258700,"source":{"system":"sec-edgar","filing":"0001558242-25-000015","document":"form4-12162025_111219.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000015/form4-12162025_111219.xml","form_type":"4"}},{"id":968048,"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":"2025-12-16T23:05:24.000Z","date":"2025-12-15","kind":"exercise","planned":true,"acquired":true,"shares":6500,"price":25.56,"value":166140.0,"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 26, 2025."}],"balance_after":261300,"source":{"system":"sec-edgar","filing":"0001558242-25-000015","document":"form4-12162025_111219.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000015/form4-12162025_111219.xml","form_type":"4"}},{"id":998140,"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":"Stock Option (right to buy)","published_at":"2025-11-17T21:05:45.000Z","date":"2025-11-14","kind":"exercise","planned":true,"acquired":false,"shares":6500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option is fully vested and immediately exercisable."}],"balance_after":6500,"derivative":{"exercise_price":25.56,"expiration_date":"2026-04-28","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001558242-25-000013","document":"form4-11172025_091139.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000013/form4-11172025_091139.xml","form_type":"4"}},{"id":998139,"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":"2025-11-17T21:05:45.000Z","date":"2025-11-14","kind":"sale","planned":true,"acquired":false,"shares":300,"price":143.7967,"value":43139.01,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $143.73 to $143.83 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":254800,"source":{"system":"sec-edgar","filing":"0001558242-25-000013","document":"form4-11172025_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000013/form4-11172025_091139.xml","form_type":"4"}},{"id":998138,"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":"2025-11-17T21:05:45.000Z","date":"2025-11-14","kind":"sale","planned":true,"acquired":false,"shares":5117,"price":143.1849,"value":732677.1333,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $142.73 to $143.71 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":255100,"source":{"system":"sec-edgar","filing":"0001558242-25-000013","document":"form4-11172025_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000013/form4-11172025_091139.xml","form_type":"4"}},{"id":998137,"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":"2025-11-17T21:05:45.000Z","date":"2025-11-14","kind":"sale","planned":true,"acquired":false,"shares":1661,"price":142.1459,"value":236104.3399,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $141.71 to $142.62 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":260217,"source":{"system":"sec-edgar","filing":"0001558242-25-000013","document":"form4-11172025_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000013/form4-11172025_091139.xml","form_type":"4"}},{"id":998136,"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":"2025-11-17T21:05:45.000Z","date":"2025-11-14","kind":"sale","planned":true,"acquired":false,"shares":1422,"price":141.2415,"value":200845.413,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $140.71 to $141.70 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":261878,"source":{"system":"sec-edgar","filing":"0001558242-25-000013","document":"form4-11172025_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000013/form4-11172025_091139.xml","form_type":"4"}},{"id":998135,"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":"2025-11-17T21:05:45.000Z","date":"2025-11-14","kind":"exercise","planned":true,"acquired":true,"shares":6500,"price":25.56,"value":166140.0,"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 26, 2025."}],"balance_after":263300,"source":{"system":"sec-edgar","filing":"0001558242-25-000013","document":"form4-11172025_091139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000013/form4-11172025_091139.xml","form_type":"4"}},{"id":1000672,"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":"2025-11-13T23:40:17.000Z","date":"2025-11-12","kind":"sale","planned":true,"acquired":false,"shares":2200,"price":155.0427,"value":341093.94,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $155.00 to $155.47 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":256800,"source":{"system":"sec-edgar","filing":"0001558242-25-000011","document":"form4-11132025_111111.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000011/form4-11132025_111111.xml","form_type":"4"}},{"id":1008572,"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":203951,"source":{"system":"sec-edgar","filing":"0001558242-25-000005","document":"form4-10152025_081019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000005/form4-10152025_081019.xml","form_type":"4"}},{"id":1018780,"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":"2025-10-15T20:08:23.000Z","date":"2025-10-14","kind":"sale","planned":true,"acquired":false,"shares":4543,"price":126.4389,"value":574411.9227,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $125.92 to $126.90 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":207908,"source":{"system":"sec-edgar","filing":"0001558242-25-000005","document":"form4-10152025_081019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000005/form4-10152025_081019.xml","form_type":"4"}},{"id":1018779,"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":"2025-10-15T20:08:23.000Z","date":"2025-10-14","kind":"exercise","planned":true,"acquired":true,"shares":6500,"price":25.56,"value":166140.0,"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 26, 2025."}],"balance_after":212451,"source":{"system":"sec-edgar","filing":"0001558242-25-000005","document":"form4-10152025_081019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000005/form4-10152025_081019.xml","form_type":"4"}},{"id":1039665,"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":"Stock Option (right to buy)","published_at":"2025-09-17T00:08:38.000Z","date":"2025-09-15","kind":"exercise","planned":true,"acquired":false,"shares":6500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option is fully vested and immediately exercisable."}],"balance_after":19500,"derivative":{"exercise_price":25.56,"expiration_date":"2026-04-28","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001558242-25-000003","document":"form4-09172025_120934.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000003/form4-09172025_120934.xml","form_type":"4"}},{"id":1039664,"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":"2025-09-17T00:08:38.000Z","date":"2025-09-15","kind":"sale","planned":true,"acquired":false,"shares":2699,"price":133.0718,"value":359160.7882,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $132.745 to $133.50 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":205951,"source":{"system":"sec-edgar","filing":"0001558242-25-000003","document":"form4-09172025_120934.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000003/form4-09172025_120934.xml","form_type":"4"}},{"id":1039663,"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":"2025-09-17T00:08:38.000Z","date":"2025-09-15","kind":"sale","planned":true,"acquired":false,"shares":5801,"price":132.2225,"value":767022.7225,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $131.74 to $132.73 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":208650,"source":{"system":"sec-edgar","filing":"0001558242-25-000003","document":"form4-09172025_120934.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000003/form4-09172025_120934.xml","form_type":"4"}},{"id":1039662,"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":"2025-09-17T00:08:38.000Z","date":"2025-09-15","kind":"exercise","planned":true,"acquired":true,"shares":6500,"price":25.56,"value":166140.0,"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 26, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 31 shares that were acquired on August 15, 2025 through the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":214451,"source":{"system":"sec-edgar","filing":"0001558242-25-000003","document":"form4-09172025_120934.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000155824225000003/form4-09172025_120934.xml","form_type":"4"}},{"id":1065700,"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":"Stock Option (right to buy)","published_at":"2025-08-15T21:15:08.000Z","date":"2025-08-14","kind":"exercise","planned":true,"acquired":false,"shares":6500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option is fully vested and immediately exercisable."}],"balance_after":26000,"derivative":{"exercise_price":25.56,"expiration_date":"2026-04-28","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001415889-25-022096","document":"form4-08152025_090804.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925022096/form4-08152025_090804.xml","form_type":"4"}},{"id":1065699,"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":"2025-08-15T21:15:08.000Z","date":"2025-08-14","kind":"sale","planned":true,"acquired":false,"shares":2778,"price":130.5372,"value":362632.3416,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $130.20 to $131.10 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":207920,"source":{"system":"sec-edgar","filing":"0001415889-25-022096","document":"form4-08152025_090804.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925022096/form4-08152025_090804.xml","form_type":"4"}},{"id":1065698,"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":"2025-08-15T21:15:08.000Z","date":"2025-08-14","kind":"sale","planned":true,"acquired":false,"shares":5722,"price":129.6697,"value":741970.0234,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $129.20 to $130.19 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":210698,"source":{"system":"sec-edgar","filing":"0001415889-25-022096","document":"form4-08152025_090804.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925022096/form4-08152025_090804.xml","form_type":"4"}},{"id":1065697,"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":"2025-08-15T21:15:08.000Z","date":"2025-08-14","kind":"exercise","planned":true,"acquired":true,"shares":6500,"price":25.56,"value":166140.0,"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 26, 2025."}],"balance_after":216420,"source":{"system":"sec-edgar","filing":"0001415889-25-022096","document":"form4-08152025_090804.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925022096/form4-08152025_090804.xml","form_type":"4"}},{"id":1075133,"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":"2025-08-05T21:43:08.000Z","date":"2025-08-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":6042,"price":130.53,"value":788662.26,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units."}],"balance_after":209920,"source":{"system":"sec-edgar","filing":"0001415889-25-021069","document":"form4-08052025_090804.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925021069/form4-08052025_090804.xml","form_type":"4"}},{"id":1087513,"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":"Stock Option (right to buy)","published_at":"2025-07-15T23:55:31.000Z","date":"2025-07-14","kind":"exercise","planned":true,"acquired":false,"shares":6500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option is fully vested and immediately exercisable."}],"balance_after":32500,"derivative":{"exercise_price":25.56,"expiration_date":"2026-04-28","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001415889-25-019812","document":"form4-07152025_110728.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019812/form4-07152025_110728.xml","form_type":"4"}},{"id":1087512,"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":"2025-07-15T23:55:31.000Z","date":"2025-07-14","kind":"sale","planned":true,"acquired":false,"shares":326,"price":139.5037,"value":45478.2062,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $139.44 to $139.62 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":215962,"source":{"system":"sec-edgar","filing":"0001415889-25-019812","document":"form4-07152025_110728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019812/form4-07152025_110728.xml","form_type":"4"}},{"id":1087511,"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":"2025-07-15T23:55:31.000Z","date":"2025-07-14","kind":"sale","planned":true,"acquired":false,"shares":4774,"price":138.8087,"value":662672.7338,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $138.44 to $139.43 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":216288,"source":{"system":"sec-edgar","filing":"0001415889-25-019812","document":"form4-07152025_110728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019812/form4-07152025_110728.xml","form_type":"4"}},{"id":1087510,"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":"2025-07-15T23:55:31.000Z","date":"2025-07-14","kind":"sale","planned":true,"acquired":false,"shares":3000,"price":137.9176,"value":413752.8,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $137.41 to $138.31 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":221062,"source":{"system":"sec-edgar","filing":"0001415889-25-019812","document":"form4-07152025_110728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019812/form4-07152025_110728.xml","form_type":"4"}},{"id":1087509,"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":"2025-07-15T23:55:31.000Z","date":"2025-07-14","kind":"sale","planned":true,"acquired":false,"shares":400,"price":136.2925,"value":54517.0,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $136.28 to $136.33 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":224062,"source":{"system":"sec-edgar","filing":"0001415889-25-019812","document":"form4-07152025_110728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019812/form4-07152025_110728.xml","form_type":"4"}},{"id":1087508,"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":"2025-07-15T23:55:31.000Z","date":"2025-07-14","kind":"exercise","planned":true,"acquired":true,"shares":6500,"price":25.56,"value":166140.0,"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 26, 2025."}],"balance_after":224462,"source":{"system":"sec-edgar","filing":"0001415889-25-019812","document":"form4-07152025_110728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019812/form4-07152025_110728.xml","form_type":"4"}},{"id":1091421,"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":"2025-07-07T22:42:51.000Z","date":"2025-07-03","kind":"sale","planned":true,"acquired":false,"shares":2313,"price":150.1761,"value":347357.3193,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted average price of the shares sold ranging from $150.05 to $150.34 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":217962,"source":{"system":"sec-edgar","filing":"0001415889-25-019441","document":"form4-07072025_100748.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019441/form4-07072025_100748.xml","form_type":"4"}},{"id":1091420,"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":"2025-07-07T22:42:51.000Z","date":"2025-07-03","kind":"sale","planned":true,"acquired":false,"shares":4887,"price":149.8442,"value":732288.6054,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $149.05 to $150.04 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":220275,"source":{"system":"sec-edgar","filing":"0001415889-25-019441","document":"form4-07072025_100748.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019441/form4-07072025_100748.xml","form_type":"4"}},{"id":1091419,"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":"2025-07-07T22:42:51.000Z","date":"2025-07-03","kind":"sale","planned":true,"acquired":false,"shares":3300,"price":148.5009,"value":490052.97,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $148.03 to $148.8 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":225162,"source":{"system":"sec-edgar","filing":"0001415889-25-019441","document":"form4-07072025_100748.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019441/form4-07072025_100748.xml","form_type":"4"}},{"id":1091418,"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":"2025-07-07T22:42:51.000Z","date":"2025-07-03","kind":"sale","planned":true,"acquired":false,"shares":1500,"price":147.5589,"value":221338.35,"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 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $147.03 to $147.915 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":228462,"source":{"system":"sec-edgar","filing":"0001415889-25-019441","document":"form4-07072025_100748.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925019441/form4-07072025_100748.xml","form_type":"4"}},{"id":1108496,"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":"Stock Option (right to buy)","published_at":"2025-06-17T22:10:51.000Z","date":"2025-06-16","kind":"exercise","planned":true,"acquired":false,"shares":6500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option is fully vested and immediately exercisable."}],"balance_after":39000,"derivative":{"exercise_price":25.56,"expiration_date":"2026-04-28","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001415889-25-017582","document":"form4-06172025_100647.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1107843/000141588925017582/form4-06172025_100647.xml","form_type":"4"}}],"next_cursor":"2025-06-17T22:10:51.000000Z,1108496"}