{"entity":{"type":"insider","cik":"0001447935","url":"/insider/0001447935","json_url":"/insider/0001447935.json","name":"Armstrong Steve","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":16,"n_filings":14,"first":"2013-07-23","last":"2021-04-22","span_basis":"filed_date"},"name_variants":[{"name":"Armstrong Steve","source":"filing","n_filings":14,"first_seen":"2013-07-23","last_seen":"2021-04-22"}],"transactions":[{"id":4512299,"accession":"0001003078-21-000075","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001003078-21-000075","line_url":"/filing/0001003078-21-000075#line-4","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":23483.0,"shares_display":"23,483","price_per_share":90.0954,"price_display":"90.10","price_state":"stated","total_value":2115710.2782,"total_display":"2,115,710.28","total_whole":"2,115,710","shares_owned_after":8819.0,"shares_owned_after_display":"8,819","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-04-21","filed_date":"2021-04-22","scope":"insider"},{"id":4166206,"accession":"0001003078-21-000073","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001003078-21-000073","line_url":"/filing/0001003078-21-000073#line-8","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":18223.0,"shares_display":"18,223","price_per_share":90.0332,"price_display":"90.03","price_state":"stated","total_value":1640675.0036,"total_display":"1,640,675.00","total_whole":"1,640,675","shares_owned_after":8819.0,"shares_owned_after_display":"8,819","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-04-09","filed_date":"2021-04-12","scope":"insider"},{"id":4166201,"accession":"0001003078-21-000073","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001003078-21-000073","line_url":"/filing/0001003078-21-000073","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":40121.0,"shares_display":"40,121","price_per_share":90.02029823783056,"price_display":"90.02","price_state":"stated","total_value":3611704.3856,"total_display":"3,611,704.39","total_whole":"3,611,704","shares_owned_after":9201.0,"shares_owned_after_display":"9,201","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-04-08","filed_date":"2021-04-12","scope":"insider","n_lines":2},{"id":4567890,"accession":"0001003078-21-000049","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001003078-21-000049","line_url":"/filing/0001003078-21-000049#line-1","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3595.0,"shares_display":"3,595","price_per_share":86.5245,"price_display":"86.52","price_state":"stated","total_value":311055.5775,"total_display":"311,055.58","total_whole":"311,056","shares_owned_after":8819.0,"shares_owned_after_display":"8,819","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-02-08","filed_date":"2021-02-09","scope":"insider"},{"id":8581281,"accession":"0001003078-19-000038","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001003078-19-000038","line_url":"/filing/0001003078-19-000038#line-1","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5293.0,"shares_display":"5,293","price_per_share":82.4823,"price_display":"82.48","price_state":"stated","total_value":436578.8139,"total_display":"436,578.81","total_whole":"436,579","shares_owned_after":7561.0,"shares_owned_after_display":"7,561","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-01-18","filed_date":"2019-01-22","scope":"insider"},{"id":6492918,"accession":"0001003078-18-000148","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001003078-18-000148","line_url":"/filing/0001003078-18-000148#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6641.0,"shares_display":"6,641","price_per_share":95.0034,"price_display":"95.00","price_state":"stated","total_value":630917.5794,"total_display":"630,917.58","total_whole":"630,918","shares_owned_after":11751.0,"shares_owned_after_display":"11,751","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-05-22","filed_date":"2018-05-22","scope":"insider"},{"id":6601987,"accession":"0001003078-18-000027","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001003078-18-000027","line_url":"/filing/0001003078-18-000027#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7100.0,"shares_display":"7,100","price_per_share":94.04,"price_display":"94.04","price_state":"stated","total_value":667684.0,"total_display":"667,684.00","total_whole":"667,684","shares_owned_after":11751.0,"shares_owned_after_display":"11,751","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-01-19","filed_date":"2018-01-23","scope":"insider"},{"id":6492914,"accession":"0001003078-18-000021","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001003078-18-000021","line_url":"/filing/0001003078-18-000021#line-4","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":19162.0,"shares_display":"19,162","price_per_share":94.98,"price_display":"94.98","price_state":"stated","total_value":1820006.76,"total_display":"1,820,006.76","total_whole":"1,820,007","shares_owned_after":11751.0,"shares_owned_after_display":"11,751","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-01-16","filed_date":"2018-01-17","scope":"insider"},{"id":4484168,"accession":"0001003078-17-000014","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001003078-17-000014","line_url":"/filing/0001003078-17-000014#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":11698.0,"shares_display":"11,698","price_per_share":100.57,"price_display":"100.57","price_state":"stated","total_value":1176467.86,"total_display":"1,176,467.86","total_whole":"1,176,468","shares_owned_after":12125.0,"shares_owned_after_display":"12,125","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-01-18","filed_date":"2017-01-19","scope":"insider"},{"id":4070728,"accession":"0001003078-17-000008","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001003078-17-000008","line_url":"/filing/0001003078-17-000008#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":16371.0,"shares_display":"16,371","price_per_share":98.59,"price_display":"98.59","price_state":"stated","total_value":1614016.89,"total_display":"1,614,016.89","total_whole":"1,614,017","shares_owned_after":12125.0,"shares_owned_after_display":"12,125","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-01-12","filed_date":"2017-01-17","scope":"insider"},{"id":2237763,"accession":"0001003078-16-000277","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001003078-16-000277","line_url":"/filing/0001003078-16-000277#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3732.0,"shares_display":"3,732","price_per_share":73.3462,"price_display":"73.35","price_state":"stated","total_value":273728.0184,"total_display":"273,728.02","total_whole":"273,728","shares_owned_after":12412.0,"shares_owned_after_display":"12,412","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-08-19","filed_date":"2016-08-22","scope":"insider"},{"id":2419028,"accession":"0001003078-16-000188","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001003078-16-000188","line_url":"/filing/0001003078-16-000188#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3732.0,"shares_display":"3,732","price_per_share":76.5,"price_display":"76.50","price_state":"stated","total_value":285498.0,"total_display":"285,498.00","total_whole":"285,498","shares_owned_after":12412.0,"shares_owned_after_display":"12,412","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-04-26","filed_date":"2016-04-27","scope":"insider"},{"id":2503699,"accession":"0001003078-16-000148","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001003078-16-000148","line_url":"/filing/0001003078-16-000148#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3732.0,"shares_display":"3,732","price_per_share":66.2632,"price_display":"66.26","price_state":"stated","total_value":247294.2624,"total_display":"247,294.26","total_whole":"247,294","shares_owned_after":12412.0,"shares_owned_after_display":"12,412","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-02-04","filed_date":"2016-02-05","scope":"insider"},{"id":6669727,"accession":"0001144204-14-002960","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001144204-14-002960","line_url":"/filing/0001144204-14-002960#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3422.0,"shares_display":"3,422","price_per_share":88.7874,"price_display":"88.79","price_state":"stated","total_value":303830.4828,"total_display":"303,830.48","total_whole":"303,830","shares_owned_after":12060.0,"shares_owned_after_display":"12,060","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-01-17","filed_date":"2014-01-21","scope":"insider"},{"id":5502709,"accession":"0001144204-13-040659","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001144204-13-040659","line_url":"/filing/0001144204-13-040659#line-2","is_derivative":false,"issuer_cik":"0001003078","issuer_name":"MSC INDUSTRIAL DIRECT CO INC","issuer_ticker":"MSM","issuer_name_source":null,"issuer_url":"/issuer/0001003078","owner_cik":"0001447935","owner_name":"Armstrong Steve","owner_display_name":"Armstrong Steve","owner_url":"/insider/0001447935","role":"Officer (SVP, GC and Corp. Secy)","role_mark":"O","role_mark_label":"Officer (SVP, GC and Corp. Secy)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, GC and Corp. Secy.","security_title":"Class A Common Stock, $0.001 par value","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4310.0,"shares_display":"4,310","price_per_share":79.733,"price_display":"79.73","price_state":"stated","total_value":343649.23,"total_display":"343,649.23","total_whole":"343,649","shares_owned_after":10982.0,"shares_owned_after_display":"10,982","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-07-22","filed_date":"2013-07-23","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":16,"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":16,"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":16},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001003078","name":"MSC INDUSTRIAL DIRECT CO INC","url":"/issuer/0001003078","role":"Officer (SVP, GC and Corp. Secy)","n_filings":14,"first_seen":"2013-07-23","last_seen":"2021-04-22"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001447935","retrieved_at":"2026-08-24T11:16:40+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"}}