{"entity":{"type":"insider","cik":"0001686952","url":"/insider/0001686952","json_url":"/insider/0001686952.json","name":"Mayer Eldon C. III","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":13,"n_filings":9,"first":"2018-08-27","last":"2023-03-21","span_basis":"filed_date"},"name_variants":[{"name":"Mayer Eldon C. III","source":"filing","n_filings":9,"first_seen":"2018-08-27","last_seen":"2023-03-21"}],"transactions":[{"id":7971793,"accession":"0001140361-23-012884","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001140361-23-012884","line_url":"/filing/0001140361-23-012884","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (Ex VP & Chief Commerc. Officer)","role_mark":"O","role_mark_label":"Officer (Ex VP & Chief Commerc. Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Ex VP & Chief Commerc. Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4395.0,"shares_display":"4,395","price_per_share":1.0702986348122867,"price_display":"1.07","price_state":"stated","total_value":4703.9625,"total_display":"4,703.96","total_whole":"4,704","shares_owned_after":57948.0,"shares_owned_after_display":"57,948","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-03-17","filed_date":"2023-03-21","scope":"insider","n_lines":2},{"id":6376097,"accession":"0001567619-22-006947","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-22-006947","line_url":"/filing/0001567619-22-006947#line-1","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (Ex VP & Chief Commerc. Officer)","role_mark":"O","role_mark_label":"Officer (Ex VP & Chief Commerc. Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Ex VP & Chief Commerc. Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1657.0,"shares_display":"1,657","price_per_share":5.5973,"price_display":"5.60","price_state":"stated","total_value":9274.7261,"total_display":"9,274.73","total_whole":"9,275","shares_owned_after":60468.0,"shares_owned_after_display":"60,468","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-03-14","filed_date":"2022-03-14","scope":"insider"},{"id":6160189,"accession":"0001567619-22-001050","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-22-001050","line_url":"/filing/0001567619-22-001050#line-1","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (Ex VP & Chief Commerc. Officer)","role_mark":"O","role_mark_label":"Officer (Ex VP & Chief Commerc. Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Ex VP & Chief Commerc. Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1560.0,"shares_display":"1,560","price_per_share":4.9501,"price_display":"4.95","price_state":"stated","total_value":7722.156,"total_display":"7,722.16","total_whole":"7,722","shares_owned_after":46125.0,"shares_owned_after_display":"46,125","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-01-07","filed_date":"2022-01-11","scope":"insider"},{"id":4137163,"accession":"0001209191-21-003040","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-21-003040","line_url":"/filing/0001209191-21-003040#line-1","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (Ex VP & Chief Commerc. Officer)","role_mark":"O","role_mark_label":"Officer (Ex VP & Chief Commerc. Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Ex VP & Chief Commerc. Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1690.0,"shares_display":"1,690","price_per_share":11.68,"price_display":"11.68","price_state":"stated","total_value":19739.2,"total_display":"19,739.20","total_whole":"19,739","shares_owned_after":35810.0,"shares_owned_after_display":"35,810","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-01-08","filed_date":"2021-01-11","scope":"insider"},{"id":2186055,"accession":"0001209191-20-005548","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-005548","line_url":"/filing/0001209191-20-005548#line-1","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (Ex VP & Chief Commerc. Officer)","role_mark":"O","role_mark_label":"Officer (Ex VP & Chief Commerc. Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Ex VP & Chief Commerc. Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":5000.0,"shares_display":"5,000","price_per_share":13.5205,"price_display":"13.52","price_state":"stated","total_value":67602.5,"total_display":"67,602.50","total_whole":"67,603","shares_owned_after":30000.0,"shares_owned_after_display":"30,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-24","filed_date":"2020-01-30","scope":"insider"},{"id":6238799,"accession":"0001209191-18-060345","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-060345","line_url":"/filing/0001209191-18-060345#line-1","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","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":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":4000.0,"shares_display":"4,000","price_per_share":10.21,"price_display":"10.21","price_state":"stated","total_value":40840.0,"total_display":"40,840.00","total_whole":"40,840","shares_owned_after":25000.0,"shares_owned_after_display":"25,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-11-29","filed_date":"2018-11-30","scope":"insider"},{"id":6021813,"accession":"0001209191-18-060179","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-18-060179","line_url":"/filing/0001209191-18-060179#line-3","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","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":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":7500.0,"shares_display":"7,500","price_per_share":9.921,"price_display":"9.92","price_state":"stated","total_value":74407.5,"total_display":"74,407.50","total_whole":"74,408","shares_owned_after":15000.0,"shares_owned_after_display":"15,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-11-27","filed_date":"2018-11-28","scope":"insider"},{"id":6021809,"accession":"0001209191-18-060179","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-18-060179","line_url":"/filing/0001209191-18-060179#line-2","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","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":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":7500.0,"shares_display":"7,500","price_per_share":9.7524,"price_display":"9.75","price_state":"stated","total_value":73143.0,"total_display":"73,143.00","total_whole":"73,143","shares_owned_after":7500.0,"shares_owned_after_display":"7,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-11-26","filed_date":"2018-11-28","scope":"insider"},{"id":6490968,"accession":"0001179110-18-011343","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-18-011343","line_url":"/filing/0001179110-18-011343#line-2","is_derivative":false,"issuer_cik":"0001034842","issuer_name":"RIGEL PHARMACEUTICALS INC","issuer_ticker":"RIGL","issuer_name_source":null,"issuer_url":"/issuer/0001034842","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (EVP & Chief Commercial Officer)","role_mark":"O","role_mark_label":"Officer (EVP & Chief Commercial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP & Chief Commercial Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":50000.0,"shares_display":"50,000","price_per_share":3.2268,"price_display":"3.23","price_state":"stated","total_value":161340.0,"total_display":"161,340.00","total_whole":"161,340","shares_owned_after":215000.0,"shares_owned_after_display":"215,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-09-11","filed_date":"2018-09-12","scope":"insider"},{"id":6490966,"accession":"0001179110-18-011343","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-18-011343","line_url":"/filing/0001179110-18-011343#line-1","is_derivative":false,"issuer_cik":"0001034842","issuer_name":"RIGEL PHARMACEUTICALS INC","issuer_ticker":"RIGL","issuer_name_source":null,"issuer_url":"/issuer/0001034842","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (EVP & Chief Commercial Officer)","role_mark":"O","role_mark_label":"Officer (EVP & Chief Commercial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP & Chief Commercial Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":50000.0,"shares_display":"50,000","price_per_share":3.2842,"price_display":"3.28","price_state":"stated","total_value":164210.0,"total_display":"164,210.00","total_whole":"164,210","shares_owned_after":165000.0,"shares_owned_after_display":"165,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-09-10","filed_date":"2018-09-12","scope":"insider"},{"id":6413019,"accession":"0001179110-18-010936","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-18-010936","line_url":"/filing/0001179110-18-010936#line-1","is_derivative":false,"issuer_cik":"0001034842","issuer_name":"RIGEL PHARMACEUTICALS INC","issuer_ticker":"RIGL","issuer_name_source":null,"issuer_url":"/issuer/0001034842","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","role":"Officer (EVP & Chief Commercial Officer)","role_mark":"O","role_mark_label":"Officer (EVP & Chief Commercial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP & Chief Commercial Officer","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":100000.0,"shares_display":"100,000","price_per_share":2.8232,"price_display":"2.82","price_state":"stated","total_value":282320.0,"total_display":"282,320.00","total_whole":"282,320","shares_owned_after":115000.0,"shares_owned_after_display":"115,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-08-23","filed_date":"2018-08-27","scope":"insider"},{"id":6021804,"accession":"0001209191-18-060179","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-060179","line_url":"/filing/0001209191-18-060179#line-1","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001686952","owner_name":"Mayer Eldon C. III","owner_display_name":"Mayer Eldon C. III","owner_url":"/insider/0001686952","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":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":6000.0,"shares_display":"6,000","price_per_share":10.0745,"price_display":"10.07","price_state":"stated","total_value":60447.0,"total_display":"60,447.00","total_whole":"60,447","shares_owned_after":21000.0,"shares_owned_after_display":"21,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2001-11-28","filed_date":"2018-11-28","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":13,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":8,"open_market":true},{"code":"S","label":"Open-market sale","n":5,"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":13},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001305253","name":"Eiger BioPharmaceuticals, Inc.","url":"/issuer/0001305253","role":"Director, Officer (Ex VP & Chief Commerc. Officer)","n_filings":7,"first_seen":"2018-11-28","last_seen":"2023-03-21"},{"type":"issuer","type_label":"ISSUER","cik":"0001034842","name":"RIGEL PHARMACEUTICALS INC","url":"/issuer/0001034842","role":"Officer (EVP & Chief Commercial Officer)","n_filings":2,"first_seen":"2018-08-27","last_seen":"2018-09-12"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001686952","retrieved_at":"2026-08-22T21:53:17+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"}}