{"entity":{"type":"insider","cik":"0001574218","url":"/insider/0001574218","json_url":"/insider/0001574218.json","name":"Dietz Thomas John","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":13,"n_filings":12,"first":"2018-02-07","last":"2023-01-25","span_basis":"filed_date"},"name_variants":[{"name":"Dietz Thomas John","source":"filing","n_filings":12,"first_seen":"2018-02-07","last_seen":"2023-01-25"}],"transactions":[{"id":8748742,"accession":"0001567619-23-001284","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001567619-23-001284","line_url":"/filing/0001567619-23-001284#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":50000.0,"shares_display":"50,000","price_per_share":1.4316,"price_display":"1.43","price_state":"stated","total_value":71580.0,"total_display":"71,580.00","total_whole":"71,580","shares_owned_after":50000.0,"shares_owned_after_display":"50,000","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-01-23","filed_date":"2023-01-25","scope":"insider"},{"id":6406757,"accession":"0001140361-22-047071","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001140361-22-047071","line_url":"/filing/0001140361-22-047071#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":22500.0,"shares_display":"22,500","price_per_share":1.169,"price_display":"1.17","price_state":"stated","total_value":26302.5,"total_display":"26,302.50","total_whole":"26,303","shares_owned_after":21000.0,"shares_owned_after_display":"21,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-12-22","filed_date":"2022-12-27","scope":"insider"},{"id":5379751,"accession":"0001209191-21-026382","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-21-026382","line_url":"/filing/0001209191-21-026382","is_derivative":false,"issuer_cik":"0001305253","issuer_name":"Eiger BioPharmaceuticals, Inc.","issuer_ticker":"EIGR","issuer_name_source":null,"issuer_url":"/issuer/0001305253","owner_cik":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":2500.0,"shares_display":"2,500","price_per_share":8.488,"price_display":"8.49","price_state":"stated","total_value":21220.0,"total_display":"21,220.00","total_whole":"21,220","shares_owned_after":36500.0,"shares_owned_after_display":"36,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-04-09","filed_date":"2021-04-12","scope":"insider","n_lines":2},{"id":2681210,"accession":"0001209191-20-019685","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-019685","line_url":"/filing/0001209191-20-019685#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":1000.0,"shares_display":"1,000","price_per_share":4.95,"price_display":"4.95","price_state":"stated","total_value":4950.0,"total_display":"4,950.00","total_whole":"4,950","shares_owned_after":30000.0,"shares_owned_after_display":"30,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-03-16","filed_date":"2020-03-17","scope":"insider"},{"id":2224078,"accession":"0001209191-20-003153","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-20-003153","line_url":"/filing/0001209191-20-003153#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":13.94,"price_display":"13.94","price_state":"stated","total_value":55760.0,"total_display":"55,760.00","total_whole":"55,760","shares_owned_after":24000.0,"shares_owned_after_display":"24,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-10","filed_date":"2020-01-13","scope":"insider"},{"id":8233923,"accession":"0001209191-19-025623","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-025623","line_url":"/filing/0001209191-19-025623#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":5000.0,"shares_display":"5,000","price_per_share":11.099,"price_display":"11.10","price_state":"stated","total_value":55495.0,"total_display":"55,495.00","total_whole":"55,495","shares_owned_after":20000.0,"shares_owned_after_display":"20,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-04-23","filed_date":"2019-04-23","scope":"insider"},{"id":8558193,"accession":"0001209191-19-025563","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-19-025563","line_url":"/filing/0001209191-19-025563#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":5000.0,"shares_display":"5,000","price_per_share":11.05,"price_display":"11.05","price_state":"stated","total_value":55250.0,"total_display":"55,250.00","total_whole":"55,250","shares_owned_after":15000.0,"shares_owned_after_display":"15,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-04-22","filed_date":"2019-04-22","scope":"insider"},{"id":8696844,"accession":"0000904454-19-000260","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-19-000260","line_url":"/filing/0000904454-19-000260#line-1","is_derivative":false,"issuer_cik":"0001178711","issuer_name":"Paratek Pharmaceuticals, Inc.","issuer_ticker":"PRTK","issuer_name_source":null,"issuer_url":"/issuer/0001178711","owner_cik":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":3000.0,"shares_display":"3,000","price_per_share":7.14,"price_display":"7.14","price_state":"stated","total_value":21420.0,"total_display":"21,420.00","total_whole":"21,420","shares_owned_after":4500.0,"shares_owned_after_display":"4,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-02-15","filed_date":"2019-02-20","scope":"insider"},{"id":6569599,"accession":"0000904454-18-000798","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-18-000798","line_url":"/filing/0000904454-18-000798#line-1","is_derivative":false,"issuer_cik":"0001178711","issuer_name":"Paratek Pharmaceuticals, Inc.","issuer_ticker":"PRTK","issuer_name_source":null,"issuer_url":"/issuer/0001178711","owner_cik":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":9330.0,"shares_display":"9,330","price_per_share":5.01,"price_display":"5.01","price_state":"stated","total_value":46743.3,"total_display":"46,743.30","total_whole":"46,743","shares_owned_after":7500.0,"shares_owned_after_display":"7,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-12-21","filed_date":"2018-12-26","scope":"insider"},{"id":6203249,"accession":"0001209191-18-063781","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-063781","line_url":"/filing/0001209191-18-063781#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":5000.0,"shares_display":"5,000","price_per_share":9.98,"price_display":"9.98","price_state":"stated","total_value":49900.0,"total_display":"49,900.00","total_whole":"49,900","shares_owned_after":10000.0,"shares_owned_after_display":"10,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-12-20","filed_date":"2018-12-20","scope":"insider"},{"id":6456931,"accession":"0001209191-18-061728","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-18-061728","line_url":"/filing/0001209191-18-061728#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":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":5000.0,"shares_display":"5,000","price_per_share":11.26,"price_display":"11.26","price_state":"stated","total_value":56300.0,"total_display":"56,300.00","total_whole":"56,300","shares_owned_after":5000.0,"shares_owned_after_display":"5,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-12-06","filed_date":"2018-12-10","scope":"insider"},{"id":6179298,"accession":"0000904454-18-000127","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000904454-18-000127","line_url":"/filing/0000904454-18-000127#line-1","is_derivative":false,"issuer_cik":"0001178711","issuer_name":"Paratek Pharmaceuticals, Inc.","issuer_ticker":"PRTK","issuer_name_source":null,"issuer_url":"/issuer/0001178711","owner_cik":"0001574218","owner_name":"Dietz Thomas John","owner_display_name":"Dietz Thomas John","owner_url":"/insider/0001574218","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":2100.0,"shares_display":"2,100","price_per_share":14.22,"price_display":"14.22","price_state":"stated","total_value":29862.0,"total_display":"29,862.00","total_whole":"29,862","shares_owned_after":9330.0,"shares_owned_after_display":"9,330","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-02-05","filed_date":"2018-02-07","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":9,"open_market":true},{"code":"S","label":"Open-market sale","n":4,"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","n_filings":9,"first_seen":"2018-12-10","last_seen":"2023-01-25"},{"type":"issuer","type_label":"ISSUER","cik":"0001178711","name":"Paratek Pharmaceuticals, Inc.","url":"/issuer/0001178711","role":"Director","n_filings":3,"first_seen":"2018-02-07","last_seen":"2019-02-20"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001574218","retrieved_at":"2026-08-25T01:04:38+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"}}