{"entity":{"type":"insider","cik":"0001603743","url":"/insider/0001603743","json_url":"/insider/0001603743.json","name":"Welsh David S.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":15,"n_filings":5,"first":"2016-08-10","last":"2020-08-26","span_basis":"filed_date"},"name_variants":[{"name":"Welsh David S.","source":"filing","n_filings":5,"first_seen":"2016-08-10","last_seen":"2020-08-26"}],"transactions":[{"id":2844332,"accession":"0001288847-20-000134","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001288847-20-000134","line_url":"/filing/0001288847-20-000134#line-1","is_derivative":false,"issuer_cik":"0001288847","issuer_name":"Five9, Inc.","issuer_ticker":"FIVN","issuer_name_source":null,"issuer_url":"/issuer/0001288847","owner_cik":"0001603743","owner_name":"Welsh David S.","owner_display_name":"Welsh David S.","owner_url":"/insider/0001603743","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5000.0,"shares_display":"5,000","price_per_share":123.57,"price_display":"123.57","price_state":"stated","total_value":617850.0,"total_display":"617,850.00","total_whole":"617,850","shares_owned_after":11165.0,"shares_owned_after_display":"11,165","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-08-25","filed_date":"2020-08-26","scope":"insider"},{"id":8363113,"accession":"0001288847-19-000111","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001288847-19-000111","line_url":"/filing/0001288847-19-000111#line-1","is_derivative":false,"issuer_cik":"0001288847","issuer_name":"Five9, Inc.","issuer_ticker":"FIVN","issuer_name_source":null,"issuer_url":"/issuer/0001288847","owner_cik":"0001603743","owner_name":"Welsh David S.","owner_display_name":"Welsh David S.","owner_url":"/insider/0001603743","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"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":56.06,"price_display":"56.06","price_state":"stated","total_value":560600.0,"total_display":"560,600.00","total_whole":"560,600","shares_owned_after":15729.0,"shares_owned_after_display":"15,729","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-08-05","filed_date":"2019-08-07","scope":"insider"},{"id":8527718,"accession":"0001288847-19-000031","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001288847-19-000031","line_url":"/filing/0001288847-19-000031#line-1","is_derivative":false,"issuer_cik":"0001288847","issuer_name":"Five9, Inc.","issuer_ticker":"FIVN","issuer_name_source":null,"issuer_url":"/issuer/0001288847","owner_cik":"0001603743","owner_name":"Welsh David S.","owner_display_name":"Welsh David S.","owner_url":"/insider/0001603743","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6000.0,"shares_display":"6,000","price_per_share":52.96,"price_display":"52.96","price_state":"stated","total_value":317760.0,"total_display":"317,760.00","total_whole":"317,760","shares_owned_after":22322.0,"shares_owned_after_display":"22,322","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-02-22","filed_date":"2019-02-26","scope":"insider"},{"id":2568113,"accession":"0001288847-16-000110","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001288847-16-000110","line_url":"/filing/0001288847-16-000110","is_derivative":false,"issuer_cik":"0001288847","issuer_name":"Five9, Inc.","issuer_ticker":"FIVN","issuer_name_source":null,"issuer_url":"/issuer/0001288847","owner_cik":"0001603743","owner_name":"Welsh David S.","owner_display_name":"Welsh David S.","owner_url":"/insider/0001603743","role":"Director, Ten percent owner","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":994375.0,"shares_display":"994,375","price_per_share":14.11590712759271,"price_display":"14.12","price_state":"stated","total_value":14036505.15,"total_display":"14,036,505.15","total_whole":"14,036,505","shares_owned_after":1594079.0,"shares_owned_after_display":"1,594,079","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-08-30","filed_date":"2016-09-01","scope":"insider","n_lines":6},{"id":2684220,"accession":"0001288847-16-000096","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001288847-16-000096","line_url":"/filing/0001288847-16-000096#line-6","is_derivative":false,"issuer_cik":"0001288847","issuer_name":"Five9, Inc.","issuer_ticker":"FIVN","issuer_name_source":null,"issuer_url":"/issuer/0001288847","owner_cik":"0001603743","owner_name":"Welsh David S.","owner_display_name":"Welsh David S.","owner_url":"/insider/0001603743","role":"Director, Ten percent owner","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6119.0,"shares_display":"6,119","price_per_share":13.58,"price_display":"13.58","price_state":"stated","total_value":83096.02,"total_display":"83,096.02","total_whole":"83,096","shares_owned_after":36721.0,"shares_owned_after_display":"36,721","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-08-09","filed_date":"2016-08-10","scope":"insider"},{"id":2684215,"accession":"0001288847-16-000096","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001288847-16-000096","line_url":"/filing/0001288847-16-000096","is_derivative":false,"issuer_cik":"0001288847","issuer_name":"Five9, Inc.","issuer_ticker":"FIVN","issuer_name_source":null,"issuer_url":"/issuer/0001288847","owner_cik":"0001603743","owner_name":"Welsh David S.","owner_display_name":"Welsh David S.","owner_url":"/insider/0001603743","role":"Director, Ten percent owner","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1813043.0,"shares_display":"1,813,043","price_per_share":13.252661773603824,"price_display":"13.25","price_state":"stated","total_value":24027645.66,"total_display":"24,027,645.66","total_whole":"24,027,646","shares_owned_after":1936335.0,"shares_owned_after_display":"1,936,335","ownership_form":"I","is_10b5_1":null,"transaction_date":"2016-08-08","filed_date":"2016-08-10","scope":"insider","n_lines":5}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":15,"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":15,"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":15},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001288847","name":"Five9, Inc.","url":"/issuer/0001288847","role":"Director, Ten percent owner","n_filings":5,"first_seen":"2016-08-10","last_seen":"2020-08-26"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001603743","retrieved_at":"2026-08-24T13:06:24+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"}}