{"entity":{"type":"insider","cik":"0001283583","url":"/insider/0001283583","json_url":"/insider/0001283583.json","name":"ROSENBERG GRAHAM LAWRENCE","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":11,"n_filings":7,"first":"2004-08-05","last":"2009-03-16","span_basis":"filed_date"},"name_variants":[{"name":"ROSENBERG GRAHAM LAWRENCE","source":"filing","n_filings":7,"first_seen":"2004-08-05","last_seen":"2009-03-16"}],"transactions":[{"id":5697487,"accession":"0001144204-09-014256","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001144204-09-014256","line_url":"/filing/0001144204-09-014256#line-1","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":14340.0,"shares_display":"14,340","price_per_share":2.85,"price_display":"2.85","price_state":"stated","total_value":40869.0,"total_display":"40,869.00","total_whole":"40,869","shares_owned_after":31911.0,"shares_owned_after_display":"31,911","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-03-12","filed_date":"2009-03-16","scope":"insider"},{"id":8032859,"accession":"0001144204-07-017354","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001144204-07-017354","line_url":"/filing/0001144204-07-017354#line-2","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":700.0,"shares_display":"700","price_per_share":9.14,"price_display":"9.14","price_state":"stated","total_value":6398.0,"total_display":"6,398.00","total_whole":"6,398","shares_owned_after":37143.0,"shares_owned_after_display":"37,143","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-04-03","filed_date":"2007-04-04","scope":"insider"},{"id":8032855,"accession":"0001144204-07-017354","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001144204-07-017354","line_url":"/filing/0001144204-07-017354#line-1","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8759.0,"shares_display":"8,759","price_per_share":9.14,"price_display":"9.14","price_state":"stated","total_value":80057.26,"total_display":"80,057.26","total_whole":"80,057","shares_owned_after":37843.0,"shares_owned_after_display":"37,843","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-04-02","filed_date":"2007-04-04","scope":"insider"},{"id":4633449,"accession":"0000876883-06-000029","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000876883-06-000029","line_url":"/filing/0000876883-06-000029#line-2","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1200.0,"shares_display":"1,200","price_per_share":8.1,"price_display":"8.10","price_state":"stated","total_value":9720.0,"total_display":"9,720.00","total_whole":"9,720","shares_owned_after":4000.0,"shares_owned_after_display":"4,000","ownership_form":"I","is_10b5_1":null,"transaction_date":"2006-08-29","filed_date":"2006-08-29","scope":"insider"},{"id":4633441,"accession":"0000876883-06-000029","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000876883-06-000029","line_url":"/filing/0000876883-06-000029#line-1","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2800.0,"shares_display":"2,800","price_per_share":8.1,"price_display":"8.10","price_state":"stated","total_value":22680.0,"total_display":"22,680.00","total_whole":"22,680","shares_owned_after":5200.0,"shares_owned_after_display":"5,200","ownership_form":"I","is_10b5_1":null,"transaction_date":"2006-08-28","filed_date":"2006-08-29","scope":"insider"},{"id":4538874,"accession":"0000876883-06-000027","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000876883-06-000027","line_url":"/filing/0000876883-06-000027#line-2","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6700.0,"shares_display":"6,700","price_per_share":8.15,"price_display":"8.15","price_state":"stated","total_value":54605.0,"total_display":"54,605.00","total_whole":"54,605","shares_owned_after":8000.0,"shares_owned_after_display":"8,000","ownership_form":"I","is_10b5_1":null,"transaction_date":"2006-08-25","filed_date":"2006-08-28","scope":"insider"},{"id":4538871,"accession":"0000876883-06-000027","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000876883-06-000027","line_url":"/filing/0000876883-06-000027#line-1","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4100.0,"shares_display":"4,100","price_per_share":8.01,"price_display":"8.01","price_state":"stated","total_value":32841.0,"total_display":"32,841.00","total_whole":"32,841","shares_owned_after":14700.0,"shares_owned_after_display":"14,700","ownership_form":"I","is_10b5_1":null,"transaction_date":"2006-08-24","filed_date":"2006-08-28","scope":"insider"},{"id":5218463,"accession":"0000876883-06-000025","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000876883-06-000025","line_url":"/filing/0000876883-06-000025#line-1","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":17504.0,"shares_display":"17,504","price_per_share":9.1,"price_display":"9.10","price_state":"stated","total_value":159286.4,"total_display":"159,286.40","total_whole":"159,286","shares_owned_after":35000.0,"shares_owned_after_display":"35,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-06-05","filed_date":"2006-06-08","scope":"insider"},{"id":3628363,"accession":"0000876883-06-000019","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0000876883-06-000019","line_url":"/filing/0000876883-06-000019#line-2","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":14800.0,"shares_display":"14,800","price_per_share":9.59,"price_display":"9.59","price_state":"stated","total_value":141932.0,"total_display":"141,932.00","total_whole":"141,932","shares_owned_after":52504.0,"shares_owned_after_display":"52,504","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-03-20","filed_date":"2006-03-22","scope":"insider"},{"id":3628361,"accession":"0000876883-06-000019","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000876883-06-000019","line_url":"/filing/0000876883-06-000019#line-1","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":14800.0,"shares_display":"14,800","price_per_share":9.59,"price_display":"9.59","price_state":"stated","total_value":141932.0,"total_display":"141,932.00","total_whole":"141,932","shares_owned_after":18800.0,"shares_owned_after_display":"18,800","ownership_form":"I","is_10b5_1":null,"transaction_date":"2006-03-20","filed_date":"2006-03-22","scope":"insider"},{"id":532248,"accession":"0000950172-04-001857","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000950172-04-001857","line_url":"/filing/0000950172-04-001857#line-1","is_derivative":false,"issuer_cik":"0000876883","issuer_name":"MDC PARTNERS INC","issuer_ticker":"MDCA","issuer_name_source":null,"issuer_url":"/issuer/0000876883","owner_cik":"0001283583","owner_name":"ROSENBERG GRAHAM LAWRENCE","owner_display_name":"ROSENBERG GRAHAM LAWRENCE","owner_url":"/insider/0001283583","role":"Officer (Managing Director)","role_mark":"O","role_mark_label":"Officer (Managing Director)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Managing Director","security_title":"Class A Subordinate Voting Shares","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":30763.0,"shares_display":"30,763","price_per_share":14.3844,"price_display":"14.38","price_state":"stated","total_value":442507.2972,"total_display":"442,507.30","total_whole":"442,507","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2004-08-03","filed_date":"2004-08-05","scope":"insider"}],"collapsed":true,"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":1,"open_market":true},{"code":"S","label":"Open-market sale","n":10,"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":"0000876883","name":"MDC PARTNERS INC","url":"/issuer/0000876883","role":"Officer (Managing Director)","n_filings":7,"first_seen":"2004-08-05","last_seen":"2009-03-16"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001283583","retrieved_at":"2026-08-22T08:19:20+00:00","coverage":{"filings":1505395,"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"}}