{"entity":{"type":"insider","cik":"0001830843","url":"/insider/0001830843","json_url":"/insider/0001830843.json","name":"Koning John Todd","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":9,"n_filings":9,"first":"2021-12-20","last":"2026-03-17","span_basis":"filed_date"},"name_variants":[{"name":"Koning John Todd","source":"filing","n_filings":9,"first_seen":"2021-12-20","last_seen":"2026-03-17"}],"transactions":[{"id":6082332,"accession":"0001830843-26-000006","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001830843-26-000006","line_url":"/filing/0001830843-26-000006#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":79789.0,"shares_display":"79,789","price_per_share":12.36,"price_display":"12.36","price_state":"stated","total_value":986192.04,"total_display":"986,192.04","total_whole":"986,192","shares_owned_after":600721.0,"shares_owned_after_display":"600,721","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-13","filed_date":"2026-03-17","scope":"insider"},{"id":4467032,"accession":"0001415889-25-011237","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-25-011237","line_url":"/filing/0001415889-25-011237#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":37500.0,"shares_display":"37,500","price_per_share":10.71,"price_display":"10.71","price_state":"stated","total_value":401625.0,"total_display":"401,625.00","total_whole":"401,625","shares_owned_after":466536.0,"shares_owned_after_display":"466,536","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-04-22","filed_date":"2025-04-23","scope":"insider"},{"id":5153717,"accession":"0001415889-25-007836","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-25-007836","line_url":"/filing/0001415889-25-007836#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":165121.0,"shares_display":"165,121","price_per_share":9.72,"price_display":"9.72","price_state":"stated","total_value":1604976.12,"total_display":"1,604,976.12","total_whole":"1,604,976","shares_owned_after":483107.0,"shares_owned_after_display":"483,107","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-03-10","filed_date":"2025-03-12","scope":"insider"},{"id":3141492,"accession":"0001415889-24-011594","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-24-011594","line_url":"/filing/0001415889-24-011594#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":37500.0,"shares_display":"37,500","price_per_share":12.82,"price_display":"12.82","price_state":"stated","total_value":480750.0,"total_display":"480,750.00","total_whole":"480,750","shares_owned_after":393356.0,"shares_owned_after_display":"393,356","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-04-24","filed_date":"2024-04-26","scope":"insider"},{"id":2484209,"accession":"0001415889-24-006444","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-24-006444","line_url":"/filing/0001415889-24-006444#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":121601.0,"shares_display":"121,601","price_per_share":13.3,"price_display":"13.30","price_state":"stated","total_value":1617293.3,"total_display":"1,617,293.30","total_whole":"1,617,293","shares_owned_after":430856.0,"shares_owned_after_display":"430,856","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-03-01","filed_date":"2024-03-04","scope":"insider"},{"id":8445427,"accession":"0001415889-23-006810","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-23-006810","line_url":"/filing/0001415889-23-006810#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":16500.0,"shares_display":"16,500","price_per_share":16.42,"price_display":"16.42","price_state":"stated","total_value":270930.0,"total_display":"270,930.00","total_whole":"270,930","shares_owned_after":415552.0,"shares_owned_after_display":"415,552","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-04-20","filed_date":"2023-04-24","scope":"insider"},{"id":7842395,"accession":"0001415889-23-003726","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-23-003726","line_url":"/filing/0001415889-23-003726#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","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":14.76,"price_display":"14.76","price_state":"stated","total_value":332100.0,"total_display":"332,100.00","total_whole":"332,100","shares_owned_after":432052.0,"shares_owned_after_display":"432,052","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-02-27","filed_date":"2023-03-01","scope":"insider"},{"id":7825888,"accession":"0001415889-23-003227","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001415889-23-003227","line_url":"/filing/0001415889-23-003227#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (CHIEF FINANCIAL OFFICER)","role_mark":"O","role_mark_label":"Officer (CHIEF FINANCIAL OFFICER)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":13068.0,"shares_display":"13,068","price_per_share":14.2,"price_display":"14.20","price_state":"stated","total_value":185565.6,"total_display":"185,565.60","total_whole":"185,566","shares_owned_after":470644.0,"shares_owned_after_display":"470,644","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-02-22","filed_date":"2023-02-23","scope":"insider"},{"id":4524467,"accession":"0001179110-21-011131","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-21-011131","line_url":"/filing/0001179110-21-011131#line-1","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001830843","owner_name":"Koning John Todd","owner_display_name":"Koning John Todd","owner_url":"/insider/0001830843","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial 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":11.17,"price_display":"11.17","price_state":"stated","total_value":55850.0,"total_display":"55,850.00","total_whole":"55,850","shares_owned_after":196682.0,"shares_owned_after_display":"196,682","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-12-16","filed_date":"2021-12-20","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":9,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":1,"open_market":true},{"code":"S","label":"Open-market sale","n":8,"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":9},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001350653","name":"Alphatec Holdings, Inc.","url":"/issuer/0001350653","role":"Officer (CHIEF FINANCIAL OFFICER)","n_filings":9,"first_seen":"2021-12-20","last_seen":"2026-03-17"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001830843","retrieved_at":"2026-08-27T06:06:58+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-26","last_ingest":"2026-08-27T05:24:39.644631+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"}}