{"entity":{"type":"insider","cik":"0001478988","url":"/insider/0001478988","json_url":"/insider/0001478988.json","name":"Valenti Douglas","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":204,"n_filings":84,"first":"2010-03-03","last":"2026-08-11","span_basis":"filed_date"},"name_variants":[{"name":"Valenti Douglas","source":"filing","n_filings":84,"first_seen":"2010-03-03","last_seen":"2026-08-11"}],"transactions":[{"id":9289670,"accession":"0001478988-26-000010","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001478988-26-000010","line_url":"/filing/0001478988-26-000010#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":751631.0,"shares_display":"751,631","price_per_share":20.5,"price_display":"20.50","price_state":"stated","total_value":15408435.5,"total_display":"15,408,435.50","total_whole":"15,408,436","shares_owned_after":996278.0,"shares_owned_after_display":"996,278","ownership_form":"I","is_10b5_1":null,"transaction_date":"2026-08-07","filed_date":"2026-08-11","scope":"insider"},{"id":5207420,"accession":"0001117297-25-000002","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-25-000002","line_url":"/filing/0001117297-25-000002#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":18369.0,"shares_display":"18,369","price_per_share":25.28,"price_display":"25.28","price_state":"stated","total_value":464368.32,"total_display":"464,368.32","total_whole":"464,368","shares_owned_after":1818385.0,"shares_owned_after_display":"1,818,385","ownership_form":"I","is_10b5_1":null,"transaction_date":"2025-02-06","filed_date":"2025-02-07","scope":"insider"},{"id":5207419,"accession":"0001117297-25-000002","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-25-000002","line_url":"/filing/0001117297-25-000002#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":25.02,"price_display":"25.02","price_state":"stated","total_value":250200.0,"total_display":"250,200.00","total_whole":"250,200","shares_owned_after":1836754.0,"shares_owned_after_display":"1,836,754","ownership_form":"I","is_10b5_1":null,"transaction_date":"2025-02-05","filed_date":"2025-02-07","scope":"insider"},{"id":8319920,"accession":"0001117297-23-000050","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-23-000050","line_url":"/filing/0001117297-23-000050#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":2500.0,"shares_display":"2,500","price_per_share":9.0,"price_display":"9.00","price_state":"stated","total_value":22500.0,"total_display":"22,500.00","total_whole":"22,500","shares_owned_after":1857279.0,"shares_owned_after_display":"1,857,279","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-09-18","filed_date":"2023-09-20","scope":"insider"},{"id":8411689,"accession":"0001117297-23-000048","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-23-000048","line_url":"/filing/0001117297-23-000048#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":2500.0,"shares_display":"2,500","price_per_share":9.43,"price_display":"9.43","price_state":"stated","total_value":23575.0,"total_display":"23,575.00","total_whole":"23,575","shares_owned_after":1854779.0,"shares_owned_after_display":"1,854,779","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-09-11","filed_date":"2023-09-13","scope":"insider"},{"id":8146722,"accession":"0001117297-23-000046","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-23-000046","line_url":"/filing/0001117297-23-000046#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":2500.0,"shares_display":"2,500","price_per_share":9.88,"price_display":"9.88","price_state":"stated","total_value":24700.0,"total_display":"24,700.00","total_whole":"24,700","shares_owned_after":1852279.0,"shares_owned_after_display":"1,852,279","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-09-05","filed_date":"2023-09-07","scope":"insider"},{"id":8257140,"accession":"0001117297-23-000044","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-23-000044","line_url":"/filing/0001117297-23-000044#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":2500.0,"shares_display":"2,500","price_per_share":9.61,"price_display":"9.61","price_state":"stated","total_value":24025.0,"total_display":"24,025.00","total_whole":"24,025","shares_owned_after":1849779.0,"shares_owned_after_display":"1,849,779","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-08-28","filed_date":"2023-08-30","scope":"insider"},{"id":8759180,"accession":"0001117297-23-000040","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-23-000040","line_url":"/filing/0001117297-23-000040#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":2500.0,"shares_display":"2,500","price_per_share":9.94,"price_display":"9.94","price_state":"stated","total_value":24850.0,"total_display":"24,850.00","total_whole":"24,850","shares_owned_after":1847279.0,"shares_owned_after_display":"1,847,279","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-08-23","filed_date":"2023-08-25","scope":"insider"},{"id":8257136,"accession":"0001117297-23-000007","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-23-000007","line_url":"/filing/0001117297-23-000007#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":88156.0,"shares_display":"88,156","price_per_share":16.89,"price_display":"16.89","price_state":"stated","total_value":1488954.84,"total_display":"1,488,954.84","total_whole":"1,488,955","shares_owned_after":1765517.0,"shares_owned_after_display":"1,765,517","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-02-14","filed_date":"2023-02-15","scope":"insider"},{"id":8257132,"accession":"0001117297-23-000007","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-23-000007","line_url":"/filing/0001117297-23-000007#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":61844.0,"shares_display":"61,844","price_per_share":17.06,"price_display":"17.06","price_state":"stated","total_value":1055058.64,"total_display":"1,055,058.64","total_whole":"1,055,059","shares_owned_after":1853673.0,"shares_owned_after_display":"1,853,673","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-02-13","filed_date":"2023-02-15","scope":"insider"},{"id":5502374,"accession":"0001117297-21-000108","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000108","line_url":"/filing/0001117297-21-000108#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":46457.0,"shares_display":"46,457","price_per_share":15.15,"price_display":"15.15","price_state":"stated","total_value":703823.55,"total_display":"703,823.55","total_whole":"703,824","shares_owned_after":2617020.0,"shares_owned_after_display":"2,617,020","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-11-30","filed_date":"2021-12-01","scope":"insider"},{"id":5502372,"accession":"0001117297-21-000108","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000108","line_url":"/filing/0001117297-21-000108#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":53543.0,"shares_display":"53,543","price_per_share":15.28,"price_display":"15.28","price_state":"stated","total_value":818137.04,"total_display":"818,137.04","total_whole":"818,137","shares_owned_after":2663477.0,"shares_owned_after_display":"2,663,477","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-11-29","filed_date":"2021-12-01","scope":"insider"},{"id":5502369,"accession":"0001117297-21-000081","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000081","line_url":"/filing/0001117297-21-000081#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":30573.0,"shares_display":"30,573","price_per_share":17.37,"price_display":"17.37","price_state":"stated","total_value":531053.01,"total_display":"531,053.01","total_whole":"531,053","shares_owned_after":2717020.0,"shares_owned_after_display":"2,717,020","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-10-06","filed_date":"2021-10-08","scope":"insider"},{"id":5460385,"accession":"0001117297-21-000079","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001117297-21-000079","line_url":"/filing/0001117297-21-000079#line-3","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":22813.0,"shares_display":"22,813","price_per_share":17.42,"price_display":"17.42","price_state":"stated","total_value":397402.46,"total_display":"397,402.46","total_whole":"397,402","shares_owned_after":2747593.0,"shares_owned_after_display":"2,747,593","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-10-05","filed_date":"2021-10-05","scope":"insider"},{"id":5460381,"accession":"0001117297-21-000079","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000079","line_url":"/filing/0001117297-21-000079#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":15105.0,"shares_display":"15,105","price_per_share":17.37,"price_display":"17.37","price_state":"stated","total_value":262373.85,"total_display":"262,373.85","total_whole":"262,374","shares_owned_after":2770406.0,"shares_owned_after_display":"2,770,406","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-10-04","filed_date":"2021-10-05","scope":"insider"},{"id":5460378,"accession":"0001117297-21-000079","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000079","line_url":"/filing/0001117297-21-000079#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":31509.0,"shares_display":"31,509","price_per_share":17.87,"price_display":"17.87","price_state":"stated","total_value":563065.83,"total_display":"563,065.83","total_whole":"563,066","shares_owned_after":2785511.0,"shares_owned_after_display":"2,785,511","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-10-01","filed_date":"2021-10-05","scope":"insider"},{"id":5502367,"accession":"0001117297-21-000077","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000077","line_url":"/filing/0001117297-21-000077#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":22563.0,"shares_display":"22,563","price_per_share":17.55,"price_display":"17.55","price_state":"stated","total_value":395980.65,"total_display":"395,980.65","total_whole":"395,981","shares_owned_after":2817020.0,"shares_owned_after_display":"2,817,020","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-09-20","filed_date":"2021-09-22","scope":"insider"},{"id":4988155,"accession":"0001117297-21-000075","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001117297-21-000075","line_url":"/filing/0001117297-21-000075#line-6","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":42623.0,"shares_display":"42,623","price_per_share":17.9,"price_display":"17.90","price_state":"stated","total_value":762951.7,"total_display":"762,951.70","total_whole":"762,952","shares_owned_after":2839583.0,"shares_owned_after_display":"2,839,583","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-09-17","filed_date":"2021-09-20","scope":"insider"},{"id":6265311,"accession":"0000950103-22-002428","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0000950103-22-002428","line_url":"/filing/0000950103-22-002428#line-5","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2083.0,"shares_display":"2,083","price_per_share":18.07,"price_display":"18.07","price_state":"stated","total_value":37639.81,"total_display":"37,639.81","total_whole":"37,640","shares_owned_after":373695.0,"shares_owned_after_display":"373,695","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-16","filed_date":"2022-02-11","scope":"insider"},{"id":4988151,"accession":"0001117297-21-000075","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001117297-21-000075","line_url":"/filing/0001117297-21-000075","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":42757.0,"shares_display":"42,757","price_per_share":17.897430830039525,"price_display":"17.90","price_state":"stated","total_value":765240.45,"total_display":"765,240.45","total_whole":"765,240","shares_owned_after":2882206.0,"shares_owned_after_display":"2,882,206","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-09-16","filed_date":"2021-09-20","scope":"insider","n_lines":3},{"id":4313066,"accession":"0001117297-21-000051","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000051","line_url":"/filing/0001117297-21-000051#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2083.0,"shares_display":"2,083","price_per_share":18.22,"price_display":"18.22","price_state":"stated","total_value":37952.26,"total_display":"37,952.26","total_whole":"37,952","shares_owned_after":364519.0,"shares_owned_after_display":"364,519","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-06-01","filed_date":"2021-06-03","scope":"insider"},{"id":4674365,"accession":"0001117297-21-000049","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001117297-21-000049","line_url":"/filing/0001117297-21-000049#line-3","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":21299.0,"shares_display":"21,299","price_per_share":18.37,"price_display":"18.37","price_state":"stated","total_value":391262.63,"total_display":"391,262.63","total_whole":"391,263","shares_owned_after":2827001.0,"shares_owned_after_display":"2,827,001","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-27","filed_date":"2021-05-27","scope":"insider"},{"id":4674360,"accession":"0001117297-21-000049","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000049","line_url":"/filing/0001117297-21-000049#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":33144.0,"shares_display":"33,144","price_per_share":18.3,"price_display":"18.30","price_state":"stated","total_value":606535.2,"total_display":"606,535.20","total_whole":"606,535","shares_owned_after":2848300.0,"shares_owned_after_display":"2,848,300","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-26","filed_date":"2021-05-27","scope":"insider"},{"id":4674355,"accession":"0001117297-21-000049","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000049","line_url":"/filing/0001117297-21-000049#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":21400.0,"shares_display":"21,400","price_per_share":18.17,"price_display":"18.17","price_state":"stated","total_value":388838.0,"total_display":"388,838.00","total_whole":"388,838","shares_owned_after":2881444.0,"shares_owned_after_display":"2,881,444","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-25","filed_date":"2021-05-27","scope":"insider"},{"id":4366657,"accession":"0001117297-21-000047","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001117297-21-000047","line_url":"/filing/0001117297-21-000047#line-3","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10822.0,"shares_display":"10,822","price_per_share":18.31,"price_display":"18.31","price_state":"stated","total_value":198150.82,"total_display":"198,150.82","total_whole":"198,151","shares_owned_after":2902844.0,"shares_owned_after_display":"2,902,844","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-24","filed_date":"2021-05-24","scope":"insider"},{"id":4366653,"accession":"0001117297-21-000047","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000047","line_url":"/filing/0001117297-21-000047#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10730.0,"shares_display":"10,730","price_per_share":18.19,"price_display":"18.19","price_state":"stated","total_value":195178.7,"total_display":"195,178.70","total_whole":"195,179","shares_owned_after":2913666.0,"shares_owned_after_display":"2,913,666","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-21","filed_date":"2021-05-24","scope":"insider"},{"id":4366650,"accession":"0001117297-21-000047","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000047","line_url":"/filing/0001117297-21-000047#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10800.0,"shares_display":"10,800","price_per_share":18.01,"price_display":"18.01","price_state":"stated","total_value":194508.0,"total_display":"194,508.00","total_whole":"194,508","shares_owned_after":2924396.0,"shares_owned_after_display":"2,924,396","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-20","filed_date":"2021-05-24","scope":"insider"},{"id":5345151,"accession":"0001117297-21-000045","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001117297-21-000045","line_url":"/filing/0001117297-21-000045#line-3","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":17100.0,"shares_display":"17,100","price_per_share":17.87,"price_display":"17.87","price_state":"stated","total_value":305577.0,"total_display":"305,577.00","total_whole":"305,577","shares_owned_after":2935196.0,"shares_owned_after_display":"2,935,196","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-19","filed_date":"2021-05-19","scope":"insider"},{"id":5345144,"accession":"0001117297-21-000045","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000045","line_url":"/filing/0001117297-21-000045#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12933.0,"shares_display":"12,933","price_per_share":18.0,"price_display":"18.00","price_state":"stated","total_value":232794.0,"total_display":"232,794.00","total_whole":"232,794","shares_owned_after":2952296.0,"shares_owned_after_display":"2,952,296","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-18","filed_date":"2021-05-19","scope":"insider"},{"id":5345137,"accession":"0001117297-21-000045","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000045","line_url":"/filing/0001117297-21-000045#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11772.0,"shares_display":"11,772","price_per_share":17.82,"price_display":"17.82","price_state":"stated","total_value":209777.04,"total_display":"209,777.04","total_whole":"209,777","shares_owned_after":2965229.0,"shares_owned_after_display":"2,965,229","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-05-17","filed_date":"2021-05-19","scope":"insider"},{"id":4844863,"accession":"0001117297-21-000037","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000037","line_url":"/filing/0001117297-21-000037#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2084.0,"shares_display":"2,084","price_per_share":20.63,"price_display":"20.63","price_state":"stated","total_value":42992.92,"total_display":"42,992.92","total_whole":"42,993","shares_owned_after":379642.0,"shares_owned_after_display":"379,642","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-05-03","filed_date":"2021-05-05","scope":"insider"},{"id":4721352,"accession":"0001117297-21-000025","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001117297-21-000025","line_url":"/filing/0001117297-21-000025","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2308.0,"shares_display":"2,308","price_per_share":20.78,"price_display":"20.78","price_state":"stated","total_value":47960.24,"total_display":"47,960.24","total_whole":"47,960","shares_owned_after":379642.0,"shares_owned_after_display":"379,642","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-04-01","filed_date":"2021-04-05","scope":"insider","n_lines":2},{"id":4211858,"accession":"0001117297-21-000022","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001117297-21-000022","line_url":"/filing/0001117297-21-000022#line-3","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7302.0,"shares_display":"7,302","price_per_share":20.25,"price_display":"20.25","price_state":"stated","total_value":147865.5,"total_display":"147,865.50","total_whole":"147,866","shares_owned_after":2977001.0,"shares_owned_after_display":"2,977,001","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-03-30","filed_date":"2021-03-30","scope":"insider"},{"id":4211855,"accession":"0001117297-21-000022","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000022","line_url":"/filing/0001117297-21-000022#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":45908.0,"shares_display":"45,908","price_per_share":20.35,"price_display":"20.35","price_state":"stated","total_value":934227.8,"total_display":"934,227.80","total_whole":"934,228","shares_owned_after":2984303.0,"shares_owned_after_display":"2,984,303","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-03-29","filed_date":"2021-03-30","scope":"insider"},{"id":4211851,"accession":"0001117297-21-000022","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000022","line_url":"/filing/0001117297-21-000022#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":36701.0,"shares_display":"36,701","price_per_share":20.16,"price_display":"20.16","price_state":"stated","total_value":739892.16,"total_display":"739,892.16","total_whole":"739,892","shares_owned_after":3030211.0,"shares_owned_after_display":"3,030,211","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-03-26","filed_date":"2021-03-30","scope":"insider"},{"id":4168872,"accession":"0001117297-21-000020","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000020","line_url":"/filing/0001117297-21-000020#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":50796.0,"shares_display":"50,796","price_per_share":20.17,"price_display":"20.17","price_state":"stated","total_value":1024555.32,"total_display":"1,024,555.32","total_whole":"1,024,555","shares_owned_after":3066912.0,"shares_owned_after_display":"3,066,912","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-03-25","filed_date":"2021-03-25","scope":"insider"},{"id":4168867,"accession":"0001117297-21-000020","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000020","line_url":"/filing/0001117297-21-000020#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9293.0,"shares_display":"9,293","price_per_share":21.05,"price_display":"21.05","price_state":"stated","total_value":195617.65,"total_display":"195,617.65","total_whole":"195,618","shares_owned_after":3117708.0,"shares_owned_after_display":"3,117,708","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-03-24","filed_date":"2021-03-25","scope":"insider"},{"id":4211849,"accession":"0001117297-21-000016","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000016","line_url":"/filing/0001117297-21-000016#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2083.0,"shares_display":"2,083","price_per_share":24.52,"price_display":"24.52","price_state":"stated","total_value":51075.16,"total_display":"51,075.16","total_whole":"51,075","shares_owned_after":379642.0,"shares_owned_after_display":"379,642","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-03-01","filed_date":"2021-03-02","scope":"insider"},{"id":4410270,"accession":"0001117297-21-000008","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000008","line_url":"/filing/0001117297-21-000008#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2084.0,"shares_display":"2,084","price_per_share":21.519,"price_display":"21.52","price_state":"stated","total_value":44845.596,"total_display":"44,845.60","total_whole":"44,846","shares_owned_after":390329.0,"shares_owned_after_display":"390,329","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-02-01","filed_date":"2021-02-03","scope":"insider"},{"id":5536736,"accession":"0001117297-21-000006","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000006","line_url":"/filing/0001117297-21-000006#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20661.0,"shares_display":"20,661","price_per_share":20.81,"price_display":"20.81","price_state":"stated","total_value":429955.41,"total_display":"429,955.41","total_whole":"429,955","shares_owned_after":2959001.0,"shares_owned_after_display":"2,959,001","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-01-12","filed_date":"2021-01-14","scope":"insider"},{"id":4949587,"accession":"0001117297-21-000004","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001117297-21-000004","line_url":"/filing/0001117297-21-000004#line-3","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":32099.0,"shares_display":"32,099","price_per_share":20.59,"price_display":"20.59","price_state":"stated","total_value":660918.41,"total_display":"660,918.41","total_whole":"660,918","shares_owned_after":2979662.0,"shares_owned_after_display":"2,979,662","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-01-11","filed_date":"2021-01-11","scope":"insider"},{"id":4949581,"accession":"0001117297-21-000004","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000004","line_url":"/filing/0001117297-21-000004#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":24400.0,"shares_display":"24,400","price_per_share":21.66,"price_display":"21.66","price_state":"stated","total_value":528504.0,"total_display":"528,504.00","total_whole":"528,504","shares_owned_after":3011761.0,"shares_owned_after_display":"3,011,761","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-01-08","filed_date":"2021-01-11","scope":"insider"},{"id":4949574,"accession":"0001117297-21-000004","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001117297-21-000004","line_url":"/filing/0001117297-21-000004#line-1","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":17440.0,"shares_display":"17,440","price_per_share":22.21,"price_display":"22.21","price_state":"stated","total_value":387342.4,"total_display":"387,342.40","total_whole":"387,342","shares_owned_after":3036161.0,"shares_owned_after_display":"3,036,161","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-01-07","filed_date":"2021-01-11","scope":"insider"},{"id":4168861,"accession":"0001117297-21-000002","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001117297-21-000002","line_url":"/filing/0001117297-21-000002#line-4","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":28200.0,"shares_display":"28,200","price_per_share":21.98,"price_display":"21.98","price_state":"stated","total_value":619836.0,"total_display":"619,836.00","total_whole":"619,836","shares_owned_after":3053601.0,"shares_owned_after_display":"3,053,601","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-01-06","filed_date":"2021-01-06","scope":"insider"},{"id":4168856,"accession":"0001117297-21-000002","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001117297-21-000002","line_url":"/filing/0001117297-21-000002#line-3","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":27200.0,"shares_display":"27,200","price_per_share":21.6,"price_display":"21.60","price_state":"stated","total_value":587520.0,"total_display":"587,520.00","total_whole":"587,520","shares_owned_after":3081801.0,"shares_owned_after_display":"3,081,801","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-01-05","filed_date":"2021-01-06","scope":"insider"},{"id":4168853,"accession":"0001117297-21-000002","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-21-000002","line_url":"/filing/0001117297-21-000002#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2083.0,"shares_display":"2,083","price_per_share":21.232,"price_display":"21.23","price_state":"stated","total_value":44226.256,"total_display":"44,226.26","total_whole":"44,226","shares_owned_after":390329.0,"shares_owned_after_display":"390,329","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-01-04","filed_date":"2021-01-06","scope":"insider"},{"id":2473660,"accession":"0001117297-20-000116","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001117297-20-000116","line_url":"/filing/0001117297-20-000116#line-2","is_derivative":false,"issuer_cik":"0001117297","issuer_name":"QUINSTREET, INC","issuer_ticker":"QNST","issuer_name_source":null,"issuer_url":"/issuer/0001117297","owner_cik":"0001478988","owner_name":"Valenti Douglas","owner_display_name":"Valenti Douglas","owner_url":"/insider/0001478988","role":"Director, Officer (Chief Executive Officer)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2083.0,"shares_display":"2,083","price_per_share":18.102,"price_display":"18.10","price_state":"stated","total_value":37706.466,"total_display":"37,706.47","total_whole":"37,706","shares_owned_after":390329.0,"shares_owned_after_display":"390,329","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-12-01","filed_date":"2020-12-03","scope":"insider"}],"collapsed":true,"next_cursor":"2020-12-01|2473660","ledger_fault":false,"count":{"value":204,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":19,"open_market":true},{"code":"S","label":"Open-market sale","n":185,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":204},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001117297","name":"QUINSTREET, INC","url":"/issuer/0001117297","role":"Director, Officer (Chief Executive Officer), Ten percent owner","n_filings":84,"first_seen":"2010-03-03","last_seen":"2026-08-11"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001478988","retrieved_at":"2026-08-23T00:53:58+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}