{"entity":{"type":"insider","cik":"0001786113","url":"/insider/0001786113","json_url":"/insider/0001786113.json","name":"Kabot Brian","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":17,"n_filings":16,"first":"2019-11-15","last":"2026-05-22","span_basis":"filed_date"},"name_variants":[{"name":"Kabot Brian","source":"filing","n_filings":16,"first_seen":"2019-11-15","last_seen":"2026-05-22"}],"transactions":[{"id":5899838,"accession":"0001786113-26-000005","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001786113-26-000005","line_url":"/filing/0001786113-26-000005#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":250.0,"shares_display":"250","price_per_share":5.515,"price_display":"5.52","price_state":"stated","total_value":1378.75,"total_display":"1,378.75","total_whole":"1,379","shares_owned_after":4708.0,"shares_owned_after_display":"4,708","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-20","filed_date":"2026-05-22","scope":"insider"},{"id":5840931,"accession":"0001786113-26-000004","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001786113-26-000004","line_url":"/filing/0001786113-26-000004#line-2","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":250.0,"shares_display":"250","price_per_share":5.615,"price_display":"5.62","price_state":"stated","total_value":1403.75,"total_display":"1,403.75","total_whole":"1,404","shares_owned_after":4458.0,"shares_owned_after_display":"4,458","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-19","filed_date":"2026-05-20","scope":"insider"},{"id":5949741,"accession":"0001786113-26-000002","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001786113-26-000002","line_url":"/filing/0001786113-26-000002#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1850.0,"shares_display":"1,850","price_per_share":5.4046,"price_display":"5.40","price_state":"stated","total_value":9998.51,"total_display":"9,998.51","total_whole":"9,999","shares_owned_after":3295.0,"shares_owned_after_display":"3,295","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-15","filed_date":"2026-05-20","scope":"insider"},{"id":8489957,"accession":"0001781162-23-000064","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000064","line_url":"/filing/0001781162-23-000064#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":400.0,"shares_display":"400","price_per_share":2.6,"price_display":"2.60","price_state":"stated","total_value":1040.0,"total_display":"1,040.00","total_whole":"1,040","shares_owned_after":3782.0,"shares_owned_after_display":"3,782","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-12-01","filed_date":"2023-12-05","scope":"insider"},{"id":8089864,"accession":"0001781162-23-000054","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000054","line_url":"/filing/0001781162-23-000054#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":400.0,"shares_display":"400","price_per_share":3.5,"price_display":"3.50","price_state":"stated","total_value":1400.0,"total_display":"1,400.00","total_whole":"1,400","shares_owned_after":4182.0,"shares_owned_after_display":"4,182","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-11-01","filed_date":"2023-11-03","scope":"insider"},{"id":8307424,"accession":"0001781162-23-000053","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000053","line_url":"/filing/0001781162-23-000053#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":400.0,"shares_display":"400","price_per_share":2.1707,"price_display":"2.17","price_state":"stated","total_value":868.28,"total_display":"868.28","total_whole":"868","shares_owned_after":4582.0,"shares_owned_after_display":"4,582","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-10-02","filed_date":"2023-10-04","scope":"insider"},{"id":7883018,"accession":"0001781162-23-000052","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000052","line_url":"/filing/0001781162-23-000052#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":400.0,"shares_display":"400","price_per_share":10.9527,"price_display":"10.95","price_state":"stated","total_value":4381.08,"total_display":"4,381.08","total_whole":"4,381","shares_owned_after":4982.0,"shares_owned_after_display":"4,982","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-09-01","filed_date":"2023-09-06","scope":"insider"},{"id":8345796,"accession":"0001781162-23-000036","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000036","line_url":"/filing/0001781162-23-000036#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20000.0,"shares_display":"20,000","price_per_share":0.4205,"price_display":"0.42","price_state":"stated","total_value":8410.0,"total_display":"8,410.00","total_whole":"8,410","shares_owned_after":258030.0,"shares_owned_after_display":"258,030","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-08-01","filed_date":"2023-08-02","scope":"insider"},{"id":8717698,"accession":"0001781162-23-000035","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000035","line_url":"/filing/0001781162-23-000035#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20000.0,"shares_display":"20,000","price_per_share":0.3136,"price_display":"0.31","price_state":"stated","total_value":6272.0,"total_display":"6,272.00","total_whole":"6,272","shares_owned_after":278030.0,"shares_owned_after_display":"278,030","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-07-03","filed_date":"2023-07-05","scope":"insider"},{"id":8049830,"accession":"0001781162-23-000034","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001781162-23-000034","line_url":"/filing/0001781162-23-000034#line-2","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20000.0,"shares_display":"20,000","price_per_share":0.3331,"price_display":"0.33","price_state":"stated","total_value":6662.0,"total_display":"6,662.00","total_whole":"6,662","shares_owned_after":298030.0,"shares_owned_after_display":"298,030","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-05-30","filed_date":"2023-06-01","scope":"insider"},{"id":8240422,"accession":"0001781162-23-000025","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000025","line_url":"/filing/0001781162-23-000025#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20000.0,"shares_display":"20,000","price_per_share":0.418,"price_display":"0.42","price_state":"stated","total_value":8360.0,"total_display":"8,360.00","total_whole":"8,360","shares_owned_after":231824.0,"shares_owned_after_display":"231,824","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-05-01","filed_date":"2023-05-02","scope":"insider"},{"id":8131499,"accession":"0001781162-23-000019","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001781162-23-000019","line_url":"/filing/0001781162-23-000019#line-2","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6097.0,"shares_display":"6,097","price_per_share":0.5348,"price_display":"0.53","price_state":"stated","total_value":3260.6756,"total_display":"3,260.68","total_whole":"3,261","shares_owned_after":251824.0,"shares_owned_after_display":"251,824","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-04-04","filed_date":"2023-04-04","scope":"insider"},{"id":8131495,"accession":"0001781162-23-000019","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000019","line_url":"/filing/0001781162-23-000019#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":13903.0,"shares_display":"13,903","price_per_share":0.5584,"price_display":"0.56","price_state":"stated","total_value":7763.4352,"total_display":"7,763.44","total_whole":"7,763","shares_owned_after":257921.0,"shares_owned_after_display":"257,921","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-04-03","filed_date":"2023-04-04","scope":"insider"},{"id":8410605,"accession":"0001781162-23-000011","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000011","line_url":"/filing/0001781162-23-000011#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20000.0,"shares_display":"20,000","price_per_share":0.7964,"price_display":"0.80","price_state":"stated","total_value":15928.0,"total_display":"15,928.00","total_whole":"15,928","shares_owned_after":271824.0,"shares_owned_after_display":"271,824","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-03-01","filed_date":"2023-03-03","scope":"insider"},{"id":8089854,"accession":"0001781162-23-000010","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000010","line_url":"/filing/0001781162-23-000010#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20000.0,"shares_display":"20,000","price_per_share":0.9061,"price_display":"0.91","price_state":"stated","total_value":18122.0,"total_display":"18,122.00","total_whole":"18,122","shares_owned_after":291824.0,"shares_owned_after_display":"291,824","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-02-01","filed_date":"2023-02-03","scope":"insider"},{"id":8662894,"accession":"0001781162-23-000005","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001781162-23-000005","line_url":"/filing/0001781162-23-000005#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Momentus Inc.","issuer_ticker":"MNTS","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Class A Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":20000.0,"shares_display":"20,000","price_per_share":0.8063,"price_display":"0.81","price_state":"stated","total_value":16126.0,"total_display":"16,126.00","total_whole":"16,126","shares_owned_after":311824.0,"shares_owned_after_display":"311,824","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-01-03","filed_date":"2023-01-04","scope":"insider"},{"id":8760784,"accession":"0001213900-19-023741","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001213900-19-023741","line_url":"/filing/0001213900-19-023741#line-1","is_derivative":false,"issuer_cik":"0001781162","issuer_name":"Stable Road Acquisition Corp.","issuer_ticker":"SRACU","issuer_name_source":null,"issuer_url":"/issuer/0001781162","owner_cik":"0001786113","owner_name":"Kabot Brian","owner_display_name":"Kabot Brian","owner_url":"/insider/0001786113","role":"Director, Officer (Chief Executive Officer), Ten percent owner","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Executive Officer","security_title":"Class A Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":495000.0,"shares_display":"495,000","price_per_share":10.0,"price_display":"10.00","price_state":"stated","total_value":4950000.0,"total_display":"4,950,000.00","total_whole":"4,950,000","shares_owned_after":495000.0,"shares_owned_after_display":"495,000","ownership_form":"I","is_10b5_1":null,"transaction_date":"2019-11-13","filed_date":"2019-11-15","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":17,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":4,"open_market":true},{"code":"S","label":"Open-market sale","n":13,"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":17},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001781162","name":"Momentus Inc.","url":"/issuer/0001781162","role":"Director, Officer (Chief Executive Officer), Ten percent owner","n_filings":16,"first_seen":"2019-11-15","last_seen":"2026-05-22"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001786113","retrieved_at":"2026-08-23T20:22:14+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"}}