{"entity":{"type":"insider","cik":"0001378563","url":"/insider/0001378563","json_url":"/insider/0001378563.json","name":"Hochschuler Stephen","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":7,"n_filings":6,"first":"2009-01-30","last":"2010-09-21","span_basis":"filed_date"},"name_variants":[{"name":"Hochschuler Stephen","source":"filing","n_filings":6,"first_seen":"2009-01-30","last_seen":"2010-09-21"}],"transactions":[{"id":7265651,"accession":"0001181431-10-047532","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-10-047532","line_url":"/filing/0001181431-10-047532#line-2","is_derivative":false,"issuer_cik":"0001350653","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001350653","owner_cik":"0001378563","owner_name":"Hochschuler Stephen","owner_url":"/insider/0001378563","role":"Director","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":65000.0,"shares_display":"65,000","price_per_share":2.239,"price_display":"2.24","price_state":"stated","total_value":145535.0,"total_display":"145,535.00","shares_owned_after":232183.0,"shares_owned_after_display":"232,183","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-08-19","filed_date":"2010-09-21","scope":"insider"},{"id":7265648,"accession":"0001181431-10-047532","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-10-047532","line_url":"/filing/0001181431-10-047532#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":"0001378563","owner_name":"Hochschuler Stephen","owner_url":"/insider/0001378563","role":"Director","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":35000.0,"shares_display":"35,000","price_per_share":2.293,"price_display":"2.29","price_state":"stated","total_value":80255.0,"total_display":"80,255.00","shares_owned_after":232183.0,"shares_owned_after_display":"232,183","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-08-19","filed_date":"2010-09-21","scope":"insider"},{"id":5931615,"accession":"0001181431-09-019568","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-09-019568","line_url":"/filing/0001181431-09-019568#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":"0001378563","owner_name":"Hochschuler Stephen","owner_url":"/insider/0001378563","role":"Director","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":30000.0,"shares_display":"30,000","price_per_share":1.227,"price_display":"1.23","price_state":"stated","total_value":36810.0,"total_display":"36,810.00","shares_owned_after":132183.0,"shares_owned_after_display":"132,183","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-03-12","filed_date":"2009-04-08","scope":"insider"},{"id":9251088,"accession":"0001181431-09-019567","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-09-019567","line_url":"/filing/0001181431-09-019567#line-1","is_derivative":false,"issuer_cik":"0001378563","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001378563","owner_cik":"0001378563","owner_name":"Hochschuler Stephen","owner_url":"/insider/0001378563","role":"Director","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":20000.0,"shares_display":"20,000","price_per_share":1.65,"price_display":"1.65","price_state":"stated","total_value":33000.0,"total_display":"33,000.00","shares_owned_after":102183.0,"shares_owned_after_display":"102,183","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-03-04","filed_date":"2009-04-08","scope":"insider"},{"id":9251087,"accession":"0001181431-09-019566","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-09-019566","line_url":"/filing/0001181431-09-019566#line-1","is_derivative":false,"issuer_cik":"0001378563","issuer_name":"Alphatec Holdings, Inc.","issuer_ticker":"ATEC","issuer_name_source":null,"issuer_url":"/issuer/0001378563","owner_cik":"0001378563","owner_name":"Hochschuler Stephen","owner_url":"/insider/0001378563","role":"Director","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":20000.0,"shares_display":"20,000","price_per_share":1.65,"price_display":"1.65","price_state":"stated","total_value":33000.0,"total_display":"33,000.00","shares_owned_after":102183.0,"shares_owned_after_display":"102,183","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-03-04","filed_date":"2009-04-08","scope":"insider"},{"id":5974373,"accession":"0001181431-09-005408","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-09-005408","line_url":"/filing/0001181431-09-005408#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":"0001378563","owner_name":"Hochschuler Stephen","owner_url":"/insider/0001378563","role":"Director","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":10000.0,"shares_display":"10,000","price_per_share":1.84,"price_display":"1.84","price_state":"stated","total_value":18400.0,"total_display":"18,400.00","shares_owned_after":82183.0,"shares_owned_after_display":"82,183","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-12-01","filed_date":"2009-01-30","scope":"insider"},{"id":5834249,"accession":"0001181431-09-014244","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-09-014244","line_url":"/filing/0001181431-09-014244#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":"0001378563","owner_name":"Hochschuler Stephen","owner_url":"/insider/0001378563","role":"Director","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":20000.0,"shares_display":"20,000","price_per_share":1.65,"price_display":"1.65","price_state":"stated","total_value":33000.0,"total_display":"33,000.00","shares_owned_after":102183.0,"shares_owned_after_display":"102,183","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-12-01","filed_date":"2009-03-06","scope":"insider"}],"next_cursor":null,"ledger_fault":false,"count":{"value":7,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":7,"open_market":true},{"code":"S","label":"Open-market sale","n":0,"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":7},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001350653","name":"Alphatec Holdings, Inc.","url":"/issuer/0001350653","role":"Director","n_filings":6,"first_seen":"2009-01-30","last_seen":"2010-09-21"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001378563","retrieved_at":"2026-08-21T16:17:42+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"}}