{"entity":{"type":"insider","cik":"0001481732","url":"/insider/0001481732","json_url":"/insider/0001481732.json","name":"Prufrock Onshore, L.P.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":82,"n_filings":9,"first":"2010-01-25","last":"2012-05-22","span_basis":"filed_date"},"name_variants":[{"name":"Prufrock Onshore, L.P.","source":"filing","n_filings":9,"first_seen":"2010-01-25","last_seen":"2012-05-22"}],"transactions":[{"id":2176671,"accession":"0001481732-12-000003","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001481732-12-000003","line_url":"/filing/0001481732-12-000003","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Q4 Funding LP; Acme Energized, L.P.; RAYNOR GEOFFREY; Scepter Holdings, Inc.; Q Funding III, L.P.; Excalibur Domestic, LLC; Star Spangled Sprockets, L.P.; Prufrock Onshore, L.P.; J Alfred Onshore, LLC; Amalgamated Gadget, L.P.","owner_display_name":"Q4 Funding LP","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":10,"other_reporting_owners":9,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000000.0,"shares_display":"2,000,000","price_per_share":25.97,"price_display":"25.97","price_state":"stated","total_value":51940000.0,"total_display":"51,940,000.00","total_whole":"51,940,000","shares_owned_after":2143033.0,"shares_owned_after_display":"2,143,033","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-05-21","filed_date":"2012-05-22","scope":"insider","n_lines":5},{"id":3424304,"accession":"0001481617-12-000004","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001481617-12-000004","line_url":"/filing/0001481617-12-000004","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Scepter Holdings, Inc.; Star Spangled Sprockets, L.P.; J Alfred Onshore, LLC; Q Funding III, L.P.; Amalgamated Gadget, L.P.; Prufrock Onshore, L.P.; Excalibur Domestic, LLC; Q4 Funding LP; Acme Energized, L.P.; RAYNOR GEOFFREY","owner_display_name":"Scepter Holdings, Inc.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":10,"other_reporting_owners":9,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1500000.0,"shares_display":"1,500,000","price_per_share":22.07,"price_display":"22.07","price_state":"stated","total_value":33105000.0,"total_display":"33,105,000.00","total_whole":"33,105,000","shares_owned_after":3012039.0,"shares_owned_after_display":"3,012,039","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-01-10","filed_date":"2012-01-12","scope":"insider","n_lines":5},{"id":8990682,"accession":"0001481617-11-000046","txn_seq":14,"anchor":"line-14","filing_url":"/filing/0001481617-11-000046","line_url":"/filing/0001481617-11-000046","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Amalgamated Gadget, L.P.; Q4 Funding LP; Acme Energized, L.P.; RAYNOR GEOFFREY; Q Funding III, L.P.; Prufrock Onshore, L.P.; Excalibur Domestic, LLC; Star Spangled Sprockets, L.P.; J Alfred Onshore, LLC; Scepter Holdings, Inc.","owner_display_name":"Amalgamated Gadget, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":10,"other_reporting_owners":9,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":98900.0,"shares_display":"98,900","price_per_share":21.63,"price_display":"21.63","price_state":"stated","total_value":2139207.0,"total_display":"2,139,207.00","total_whole":"2,139,207","shares_owned_after":3674777.0,"shares_owned_after_display":"3,674,777","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-30","filed_date":"2011-12-30","scope":"insider","n_lines":5},{"id":8990677,"accession":"0001481617-11-000046","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001481617-11-000046","line_url":"/filing/0001481617-11-000046","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Amalgamated Gadget, L.P.; Q4 Funding LP; Acme Energized, L.P.; RAYNOR GEOFFREY; Q Funding III, L.P.; Prufrock Onshore, L.P.; Excalibur Domestic, LLC; Star Spangled Sprockets, L.P.; J Alfred Onshore, LLC; Scepter Holdings, Inc.","owner_display_name":"Amalgamated Gadget, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":10,"other_reporting_owners":9,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":101100.0,"shares_display":"101,100","price_per_share":21.75,"price_display":"21.75","price_state":"stated","total_value":2198925.0,"total_display":"2,198,925.00","total_whole":"2,198,925","shares_owned_after":3717421.0,"shares_owned_after_display":"3,717,421","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-29","filed_date":"2011-12-30","scope":"insider","n_lines":5},{"id":8990672,"accession":"0001481617-11-000046","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001481617-11-000046","line_url":"/filing/0001481617-11-000046","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Amalgamated Gadget, L.P.; Q4 Funding LP; Acme Energized, L.P.; RAYNOR GEOFFREY; Q Funding III, L.P.; Prufrock Onshore, L.P.; Excalibur Domestic, LLC; Star Spangled Sprockets, L.P.; J Alfred Onshore, LLC; Scepter Holdings, Inc.","owner_display_name":"Amalgamated Gadget, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":10,"other_reporting_owners":9,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100000.0,"shares_display":"100,000","price_per_share":22.08,"price_display":"22.08","price_state":"stated","total_value":2208000.0,"total_display":"2,208,000.00","total_whole":"2,208,000","shares_owned_after":3769097.0,"shares_owned_after_display":"3,769,097","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-28","filed_date":"2011-12-30","scope":"insider","n_lines":4},{"id":9106393,"accession":"0001481617-11-000044","txn_seq":12,"anchor":"line-12","filing_url":"/filing/0001481617-11-000044","line_url":"/filing/0001481617-11-000044","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Prufrock Onshore, L.P.; Q Funding III, L.P.; J Alfred Onshore, LLC; Amalgamated Gadget, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Scepter Holdings, Inc.","owner_display_name":"Prufrock Onshore, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":30700.0,"shares_display":"30,700","price_per_share":21.99,"price_display":"21.99","price_state":"stated","total_value":675093.0,"total_display":"675,093.00","total_whole":"675,093","shares_owned_after":3822883.0,"shares_owned_after_display":"3,822,883","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-22","filed_date":"2011-12-22","scope":"insider","n_lines":4},{"id":9106389,"accession":"0001481617-11-000044","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001481617-11-000044","line_url":"/filing/0001481617-11-000044","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Prufrock Onshore, L.P.; Q Funding III, L.P.; J Alfred Onshore, LLC; Amalgamated Gadget, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Scepter Holdings, Inc.","owner_display_name":"Prufrock Onshore, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":16900.0,"shares_display":"16,900","price_per_share":21.78,"price_display":"21.78","price_state":"stated","total_value":368082.0,"total_display":"368,082.00","total_whole":"368,082","shares_owned_after":3839449.0,"shares_owned_after_display":"3,839,449","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-21","filed_date":"2011-12-22","scope":"insider","n_lines":4},{"id":9106385,"accession":"0001481617-11-000044","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001481617-11-000044","line_url":"/filing/0001481617-11-000044","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Prufrock Onshore, L.P.; Q Funding III, L.P.; J Alfred Onshore, LLC; Amalgamated Gadget, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Scepter Holdings, Inc.","owner_display_name":"Prufrock Onshore, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2400.0,"shares_display":"2,400","price_per_share":21.79,"price_display":"21.79","price_state":"stated","total_value":52296.0,"total_display":"52,296.00","total_whole":"52,296","shares_owned_after":3848520.0,"shares_owned_after_display":"3,848,520","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-20","filed_date":"2011-12-22","scope":"insider","n_lines":4},{"id":8893143,"accession":"0001481617-11-000042","txn_seq":12,"anchor":"line-12","filing_url":"/filing/0001481617-11-000042","line_url":"/filing/0001481617-11-000042","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Q Funding III, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Prufrock Onshore, L.P.; Scepter Holdings, Inc.; Amalgamated Gadget, L.P.; J Alfred Onshore, LLC","owner_display_name":"Q Funding III, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4700.0,"shares_display":"4,700","price_per_share":21.82,"price_display":"21.82","price_state":"stated","total_value":102554.0,"total_display":"102,554.00","total_whole":"102,554","shares_owned_after":3849850.0,"shares_owned_after_display":"3,849,850","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-19","filed_date":"2011-12-19","scope":"insider","n_lines":4},{"id":8893135,"accession":"0001481617-11-000042","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001481617-11-000042","line_url":"/filing/0001481617-11-000042","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Q Funding III, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Prufrock Onshore, L.P.; Scepter Holdings, Inc.; Amalgamated Gadget, L.P.; J Alfred Onshore, LLC","owner_display_name":"Q Funding III, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":27820.0,"shares_display":"27,820","price_per_share":21.98,"price_display":"21.98","price_state":"stated","total_value":611483.6,"total_display":"611,483.60","total_whole":"611,484","shares_owned_after":3852582.0,"shares_owned_after_display":"3,852,582","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-16","filed_date":"2011-12-19","scope":"insider","n_lines":4},{"id":8893126,"accession":"0001481617-11-000042","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001481617-11-000042","line_url":"/filing/0001481617-11-000042","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"Q Funding III, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Prufrock Onshore, L.P.; Scepter Holdings, Inc.; Amalgamated Gadget, L.P.; J Alfred Onshore, LLC","owner_display_name":"Q Funding III, L.P.","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":31800.0,"shares_display":"31,800","price_per_share":21.86,"price_display":"21.86","price_state":"stated","total_value":695148.0,"total_display":"695,148.00","total_whole":"695,148","shares_owned_after":3867729.0,"shares_owned_after_display":"3,867,729","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-15","filed_date":"2011-12-19","scope":"insider","n_lines":4},{"id":9006595,"accession":"0001481617-11-000037","txn_seq":16,"anchor":"line-16","filing_url":"/filing/0001481617-11-000037","line_url":"/filing/0001481617-11-000037#line-16","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"J Alfred Onshore, LLC; Amalgamated Gadget, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Q Funding III, L.P.; Prufrock Onshore, L.P.; Scepter Holdings, Inc.","owner_display_name":"J Alfred Onshore, LLC","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":25522.0,"shares_display":"25,522","price_per_share":22.0,"price_display":"22.00","price_state":"stated","total_value":561484.0,"total_display":"561,484.00","total_whole":"561,484","shares_owned_after":3885116.0,"shares_owned_after_display":"3,885,116","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-13","filed_date":"2011-12-13","scope":"insider"},{"id":9006594,"accession":"0001481617-11-000037","txn_seq":15,"anchor":"line-15","filing_url":"/filing/0001481617-11-000037","line_url":"/filing/0001481617-11-000037#line-15","is_derivative":false,"issuer_cik":"0000811532","issuer_name":"CEDAR FAIR L P","issuer_ticker":"FUN","issuer_name_source":null,"issuer_url":"/issuer/0000811532","owner_cik":null,"owner_name":"J Alfred Onshore, LLC; Amalgamated Gadget, L.P.; Acme Energized, L.P.; RAYNOR GEOFFREY; Q Funding III, L.P.; Prufrock Onshore, L.P.; Scepter Holdings, Inc.","owner_display_name":"J Alfred Onshore, LLC","owner_url":null,"role":"Ten percent owner","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":7,"other_reporting_owners":6,"officer_title":null,"security_title":"Units Representing Limited Partner Interests","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":17195.0,"shares_display":"17,195","price_per_share":22.0,"price_display":"22.00","price_state":"stated","total_value":378290.0,"total_display":"378,290.00","total_whole":"378,290","shares_owned_after":3275551.0,"shares_owned_after_display":"3,275,551","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-13","filed_date":"2011-12-13","scope":"insider"}],"collapsed":true,"next_cursor":"2011-12-13|9006594","ledger_fault":false,"count":{"value":0,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":0,"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":0},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000811532","name":"CEDAR FAIR L P","url":"/issuer/0000811532","role":"Ten percent owner","n_filings":9,"first_seen":"2010-01-25","last_seen":"2012-05-22"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001481732","retrieved_at":"2026-08-24T00:11:04+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"}}