{"entity":{"type":"insider","cik":"0001714565","url":"/insider/0001714565","json_url":"/insider/0001714565.json","name":"Miller Paul Francis","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":11,"n_filings":7,"first":"2018-06-21","last":"2019-02-14","span_basis":"filed_date"},"name_variants":[{"name":"Miller Paul Francis","source":"filing","n_filings":7,"first_seen":"2018-06-21","last_seen":"2019-02-14"}],"transactions":[{"id":7857055,"accession":"0000899243-19-003603","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000899243-19-003603","line_url":"/filing/0000899243-19-003603#line-2","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5849.0,"shares_display":"5,849","price_per_share":9.75,"price_display":"9.75","price_state":"stated","total_value":57027.75,"total_display":"57,027.75","shares_owned_after":48135.0,"shares_owned_after_display":"48,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-02-13","filed_date":"2019-02-14","scope":"insider"},{"id":7857051,"accession":"0000899243-19-003603","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-19-003603","line_url":"/filing/0000899243-19-003603#line-1","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3151.0,"shares_display":"3,151","price_per_share":9.75,"price_display":"9.75","price_state":"stated","total_value":30722.25,"total_display":"30,722.25","shares_owned_after":53984.0,"shares_owned_after_display":"53,984","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-02-12","filed_date":"2019-02-14","scope":"insider"},{"id":5955860,"accession":"0000899243-18-027071","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-18-027071","line_url":"/filing/0000899243-18-027071#line-1","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","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":9.7653,"price_display":"9.77","price_state":"stated","total_value":29295.9,"total_display":"29,295.90","shares_owned_after":57135.0,"shares_owned_after_display":"57,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-10-18","filed_date":"2018-10-19","scope":"insider"},{"id":6569235,"accession":"0000899243-18-024753","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-18-024753","line_url":"/filing/0000899243-18-024753#line-1","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","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":13.0543,"price_display":"13.05","price_state":"stated","total_value":39162.9,"total_display":"39,162.90","shares_owned_after":60135.0,"shares_owned_after_display":"60,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-09-18","filed_date":"2018-09-19","scope":"insider"},{"id":6849585,"accession":"0000899243-18-023995","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-18-023995","line_url":"/filing/0000899243-18-023995#line-1","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","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":12.5451,"price_display":"12.55","price_state":"stated","total_value":37635.3,"total_display":"37,635.30","shares_owned_after":63135.0,"shares_owned_after_display":"63,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-09-05","filed_date":"2018-09-07","scope":"insider"},{"id":6381844,"accession":"0000899243-18-023638","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000899243-18-023638","line_url":"/filing/0000899243-18-023638#line-2","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1342.0,"shares_display":"1,342","price_per_share":9.7555,"price_display":"9.76","price_state":"stated","total_value":13091.881,"total_display":"13,091.88","shares_owned_after":66135.0,"shares_owned_after_display":"66,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-08-30","filed_date":"2018-08-31","scope":"insider"},{"id":6381841,"accession":"0000899243-18-023638","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-18-023638","line_url":"/filing/0000899243-18-023638#line-1","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1658.0,"shares_display":"1,658","price_per_share":9.7698,"price_display":"9.77","price_state":"stated","total_value":16198.3284,"total_display":"16,198.33","shares_owned_after":67477.0,"shares_owned_after_display":"67,477","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-08-29","filed_date":"2018-08-31","scope":"insider"},{"id":6436180,"accession":"0000899243-18-020190","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-18-020190","line_url":"/filing/0000899243-18-020190#line-1","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","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":11.0073,"price_display":"11.01","price_state":"stated","total_value":33021.9,"total_display":"33,021.90","shares_owned_after":69135.0,"shares_owned_after_display":"69,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-07-18","filed_date":"2018-07-19","scope":"insider"},{"id":5955515,"accession":"0000899243-18-017588","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0000899243-18-017588","line_url":"/filing/0000899243-18-017588#line-3","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1054.0,"shares_display":"1,054","price_per_share":9.8,"price_display":"9.80","price_state":"stated","total_value":10329.2,"total_display":"10,329.20","shares_owned_after":72135.0,"shares_owned_after_display":"72,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-06-20","filed_date":"2018-06-21","scope":"insider"},{"id":5955511,"accession":"0000899243-18-017588","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000899243-18-017588","line_url":"/filing/0000899243-18-017588#line-2","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":9.75,"price_display":"9.75","price_state":"stated","total_value":9750.0,"total_display":"9,750.00","shares_owned_after":72135.0,"shares_owned_after_display":"72,135","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-06-20","filed_date":"2018-06-21","scope":"insider"},{"id":5955508,"accession":"0000899243-18-017588","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-18-017588","line_url":"/filing/0000899243-18-017588#line-1","is_derivative":false,"issuer_cik":"0001527599","issuer_name":"SYNLOGIC, INC.","issuer_ticker":"SYBX","issuer_name_source":null,"issuer_url":"/issuer/0001527599","owner_cik":"0001714565","owner_name":"Miller Paul Francis","owner_url":"/insider/0001714565","role":"Officer (Chief Scientific Officer)","officer_title":"Chief Scientific Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":946.0,"shares_display":"946","price_per_share":9.75,"price_display":"9.75","price_state":"stated","total_value":9223.5,"total_display":"9,223.50","shares_owned_after":74189.0,"shares_owned_after_display":"74,189","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-06-19","filed_date":"2018-06-21","scope":"insider"}],"next_cursor":null,"ledger_fault":false,"count":{"value":11,"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":11,"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":11},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001527599","name":"SYNLOGIC, INC.","url":"/issuer/0001527599","role":"Officer (Chief Scientific Officer)","n_filings":7,"first_seen":"2018-06-21","last_seen":"2019-02-14"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001714565","retrieved_at":"2026-08-21T15:57:20+00:00","coverage":{"filings":1505395,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-20","last_ingest":"2026-08-21T05:23:33.898496+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"}}