{"entity":{"type":"insider","cik":"0001601008","url":"/insider/0001601008","json_url":"/insider/0001601008.json","name":"Geschke John","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":194,"n_filings":97,"first":"2014-11-13","last":"2022-04-13","span_basis":"filed_date"},"name_variants":[{"name":"Geschke John","source":"filing","n_filings":97,"first_seen":"2014-11-13","last_seen":"2022-04-13"}],"transactions":[{"id":6725590,"accession":"0001463172-22-000096","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001463172-22-000096","line_url":"/filing/0001463172-22-000096","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":122.34342026666667,"price_display":"122.34","price_state":"stated","total_value":367030.2608,"total_display":"367,030.26","total_whole":"367,030","shares_owned_after":42231.0,"shares_owned_after_display":"42,231","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-04-11","filed_date":"2022-04-13","scope":"insider","n_lines":4},{"id":6969698,"accession":"0001463172-22-000079","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001463172-22-000079","line_url":"/filing/0001463172-22-000079","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":116.33479443333333,"price_display":"116.33","price_state":"stated","total_value":349004.3833,"total_display":"349,004.38","total_whole":"349,004","shares_owned_after":41237.0,"shares_owned_after_display":"41,237","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-03-11","filed_date":"2022-03-14","scope":"insider","n_lines":5},{"id":6181008,"accession":"0001463172-22-000029","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001463172-22-000029","line_url":"/filing/0001463172-22-000029","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":115.64686166666667,"price_display":"115.65","price_state":"stated","total_value":346940.585,"total_display":"346,940.58","total_whole":"346,941","shares_owned_after":41544.0,"shares_owned_after_display":"41,544","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-14","filed_date":"2022-02-16","scope":"insider","n_lines":5},{"id":6570736,"accession":"0001463172-22-000022","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001463172-22-000022","line_url":"/filing/0001463172-22-000022","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4800.0,"shares_display":"4,800","price_per_share":114.34211354166666,"price_display":"114.34","price_state":"stated","total_value":548842.145,"total_display":"548,842.14","total_whole":"548,842","shares_owned_after":41094.0,"shares_owned_after_display":"41,094","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-02-10","filed_date":"2022-02-14","scope":"insider","n_lines":7},{"id":4231740,"accession":"0001463172-21-000387","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001463172-21-000387","line_url":"/filing/0001463172-21-000387","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":112.849585,"price_display":"112.85","price_state":"stated","total_value":338548.755,"total_display":"338,548.76","total_whole":"338,549","shares_owned_after":39818.0,"shares_owned_after_display":"39,818","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-10-12","filed_date":"2021-10-14","scope":"insider","n_lines":5},{"id":4231714,"accession":"0001463172-21-000367","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001463172-21-000367","line_url":"/filing/0001463172-21-000367","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":123.35841666666667,"price_display":"123.36","price_state":"stated","total_value":370075.25,"total_display":"370,075.25","total_whole":"370,075","shares_owned_after":37138.0,"shares_owned_after_display":"37,138","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-07","filed_date":"2021-09-09","scope":"insider","n_lines":2},{"id":4231701,"accession":"0001463172-21-000333","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001463172-21-000333","line_url":"/filing/0001463172-21-000333","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":125.61088143333333,"price_display":"125.61","price_state":"stated","total_value":376832.6443,"total_display":"376,832.64","total_whole":"376,833","shares_owned_after":38093.0,"shares_owned_after_display":"38,093","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-08-10","filed_date":"2021-08-12","scope":"insider","n_lines":3},{"id":4695362,"accession":"0001463172-21-000297","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001463172-21-000297","line_url":"/filing/0001463172-21-000297","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":147.95635666666666,"price_display":"147.96","price_state":"stated","total_value":443869.07,"total_display":"443,869.07","total_whole":"443,869","shares_owned_after":36878.0,"shares_owned_after_display":"36,878","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-07-06","filed_date":"2021-07-08","scope":"insider","n_lines":3},{"id":4896860,"accession":"0001463172-21-000273","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001463172-21-000273","line_url":"/filing/0001463172-21-000273","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3893.0,"shares_display":"3,893","price_per_share":135.35652152581557,"price_display":"135.36","price_state":"stated","total_value":526942.9383,"total_display":"526,942.94","total_whole":"526,943","shares_owned_after":36892.0,"shares_owned_after_display":"36,892","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-06-08","filed_date":"2021-06-10","scope":"insider","n_lines":8},{"id":4260542,"accession":"0001463172-21-000176","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001463172-21-000176","line_url":"/filing/0001463172-21-000176","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":135.9088561,"price_display":"135.91","price_state":"stated","total_value":407726.5683,"total_display":"407,726.57","total_whole":"407,727","shares_owned_after":35076.0,"shares_owned_after_display":"35,076","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-05-11","filed_date":"2021-05-12","scope":"insider","n_lines":7},{"id":4864242,"accession":"0001463172-21-000136","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001463172-21-000136","line_url":"/filing/0001463172-21-000136#line-4","is_derivative":false,"issuer_cik":"0001463172","issuer_name":"Zendesk, Inc.","issuer_ticker":"ZEN","issuer_name_source":null,"issuer_url":"/issuer/0001463172","owner_cik":"0001601008","owner_name":"Geschke John","owner_display_name":"Geschke John","owner_url":"/insider/0001601008","role":"Officer (Chief of Staff)","role_mark":"O","role_mark_label":"Officer (Chief of Staff)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief of Staff","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2250.0,"shares_display":"2,250","price_per_share":149.6517,"price_display":"149.65","price_state":"stated","total_value":336716.325,"total_display":"336,716.32","total_whole":"336,716","shares_owned_after":34546.0,"shares_owned_after_display":"34,546","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-04-13","filed_date":"2021-04-14","scope":"insider"}],"collapsed":true,"next_cursor":"2021-04-13|4864242","ledger_fault":false,"count":{"value":194,"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":194,"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":194},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001463172","name":"Zendesk, Inc.","url":"/issuer/0001463172","role":"Officer (Chief of Staff)","n_filings":97,"first_seen":"2014-11-13","last_seen":"2022-04-13"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001601008","retrieved_at":"2026-08-25T19:24:36+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-24","last_ingest":"2026-08-25T05:24:19.374141+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"}}