{"entity":{"type":"insider","cik":"0001283659","url":"/insider/0001283659","json_url":"/insider/0001283659.json","name":"ROBERTSON GREG A","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":24,"n_filings":13,"first":"2006-02-23","last":"2011-10-31","span_basis":"filed_date"},"name_variants":[{"name":"ROBERTSON GREG A","source":"filing","n_filings":13,"first_seen":"2006-02-23","last_seen":"2011-10-31"}],"transactions":[{"id":9105010,"accession":"0001225208-11-023888","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001225208-11-023888","line_url":"/filing/0001225208-11-023888#line-3","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WM","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":335.0,"shares_display":"335","price_per_share":34.01,"price_display":"34.01","price_state":"stated","total_value":11393.35,"total_display":"11,393.35","total_whole":"11,393","shares_owned_after":31708.2302,"shares_owned_after_display":"31,708.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-10-28","filed_date":"2011-10-31","scope":"insider"},{"id":9082579,"accession":"0001225208-11-008956","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001225208-11-008956","line_url":"/filing/0001225208-11-008956#line-2","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WM","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":185.0,"shares_display":"185","price_per_share":37.4,"price_display":"37.40","price_state":"stated","total_value":6919.0,"total_display":"6,919.00","total_whole":"6,919","shares_owned_after":29556.2302,"shares_owned_after_display":"29,556.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-03-04","filed_date":"2011-03-07","scope":"insider"},{"id":7224324,"accession":"0001225208-10-018286","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001225208-10-018286","line_url":"/filing/0001225208-10-018286","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WM","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":15858.0,"shares_display":"15,858","price_per_share":34.44565518980956,"price_display":"34.45","price_state":"stated","total_value":546239.2,"total_display":"546,239.20","total_whole":"546,239","shares_owned_after":30289.2302,"shares_owned_after_display":"30,289.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-08-03","filed_date":"2010-08-04","scope":"insider","n_lines":8},{"id":7197465,"accession":"0001225208-10-004952","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001225208-10-004952","line_url":"/filing/0001225208-10-004952#line-3","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WM","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":449.0,"shares_display":"449","price_per_share":32.89,"price_display":"32.89","price_state":"stated","total_value":14767.61,"total_display":"14,767.61","total_whole":"14,768","shares_owned_after":28647.2302,"shares_owned_after_display":"28,647.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-02-17","filed_date":"2010-02-18","scope":"insider"},{"id":7759355,"accession":"0001225208-10-002509","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001225208-10-002509","line_url":"/filing/0001225208-10-002509#line-3","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WM","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":285.0,"shares_display":"285","price_per_share":32.36,"price_display":"32.36","price_state":"stated","total_value":9222.6,"total_display":"9,222.60","total_whole":"9,223","shares_owned_after":25793.2302,"shares_owned_after_display":"25,793.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-01-28","filed_date":"2010-01-28","scope":"insider"},{"id":5592309,"accession":"0000823768-09-000080","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000823768-09-000080","line_url":"/filing/0000823768-09-000080#line-3","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":391.0,"shares_display":"391","price_per_share":28.56,"price_display":"28.56","price_state":"stated","total_value":11166.96,"total_display":"11,166.96","total_whole":"11,167","shares_owned_after":25074.2302,"shares_owned_after_display":"25,074.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-02-18","filed_date":"2009-02-19","scope":"insider"},{"id":9200793,"accession":"0000823768-09-000056","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000823768-09-000056","line_url":"/filing/0000823768-09-000056#line-1","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":206.0,"shares_display":"206","price_per_share":33.2,"price_display":"33.20","price_state":"stated","total_value":6839.2,"total_display":"6,839.20","total_whole":"6,839","shares_owned_after":22595.2302,"shares_owned_after_display":"22,595.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-01-28","filed_date":"2009-02-19","scope":"insider"},{"id":5732239,"accession":"0000823768-09-000041","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000823768-09-000041","line_url":"/filing/0000823768-09-000041#line-2","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":206.0,"shares_display":"206","price_per_share":33.2,"price_display":"33.20","price_state":"stated","total_value":6839.2,"total_display":"6,839.20","total_whole":"6,839","shares_owned_after":21913.2302,"shares_owned_after_display":"21,913.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-01-28","filed_date":"2009-01-29","scope":"insider"},{"id":3588160,"accession":"0000823768-08-000117","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000823768-08-000117","line_url":"/filing/0000823768-08-000117#line-2","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":41.0,"shares_display":"41","price_per_share":37.13,"price_display":"37.13","price_state":"stated","total_value":1522.33,"total_display":"1,522.33","total_whole":"1,522","shares_owned_after":23483.2302,"shares_owned_after_display":"23,483.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-05-14","filed_date":"2008-05-14","scope":"insider"},{"id":4062438,"accession":"0000823768-08-000096","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000823768-08-000096","line_url":"/filing/0000823768-08-000096#line-2","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":36.0,"shares_display":"36","price_per_share":33.48,"price_display":"33.48","price_state":"stated","total_value":1205.28,"total_display":"1,205.28","total_whole":"1,205","shares_owned_after":21778.2302,"shares_owned_after_display":"21,778.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-03-05","filed_date":"2008-03-06","scope":"insider"},{"id":3786037,"accession":"0000823768-08-000071","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000823768-08-000071","line_url":"/filing/0000823768-08-000071#line-3","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":386.0,"shares_display":"386","price_per_share":33.4194,"price_display":"33.42","price_state":"stated","total_value":12899.8884,"total_display":"12,899.89","total_whole":"12,900","shares_owned_after":21907.2302,"shares_owned_after_display":"21,907.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-02-20","filed_date":"2008-02-21","scope":"insider"},{"id":3516299,"accession":"0000823768-08-000041","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000823768-08-000041","line_url":"/filing/0000823768-08-000041#line-2","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":210.0,"shares_display":"210","price_per_share":31.1,"price_display":"31.10","price_state":"stated","total_value":6531.0,"total_display":"6,531.00","total_whole":"6,531","shares_owned_after":19496.2302,"shares_owned_after_display":"19,496.23","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-01-28","filed_date":"2008-01-29","scope":"insider"},{"id":3283663,"accession":"0000823768-06-000087","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0000823768-06-000087","line_url":"/filing/0000823768-06-000087","is_derivative":false,"issuer_cik":"0000823768","issuer_name":"WASTE MANAGEMENT INC","issuer_ticker":"WMI","issuer_name_source":null,"issuer_url":"/issuer/0000823768","owner_cik":"0001283659","owner_name":"ROBERTSON GREG A","owner_display_name":"ROBERTSON GREG A","owner_url":"/insider/0001283659","role":"Officer (VP, Chief Accounting Officer)","role_mark":"O","role_mark_label":"Officer (VP, Chief Accounting Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP, Chief Accounting Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":41695.0,"shares_display":"41,695","price_per_share":33.95630171483391,"price_display":"33.96","price_state":"stated","total_value":1415808.0,"total_display":"1,415,808.00","total_whole":"1,415,808","shares_owned_after":30766.6065,"shares_owned_after_display":"30,766.61","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-02-21","filed_date":"2006-02-23","scope":"insider","n_lines":5}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":24,"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":24,"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":24},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000823768","name":"WASTE MANAGEMENT INC","url":"/issuer/0000823768","role":"Officer (VP, Chief Accounting Officer)","n_filings":13,"first_seen":"2006-02-23","last_seen":"2011-10-31"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001283659","retrieved_at":"2026-08-27T03:20:56+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-25","last_ingest":"2026-08-26T05:24:25.741053+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"}}