{"entity":{"type":"insider","cik":"0001687231","url":"/insider/0001687231","json_url":"/insider/0001687231.json","name":"ULMER MARK","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":22,"n_filings":6,"first":"2016-12-14","last":"2017-10-03","span_basis":"filed_date"},"name_variants":[{"name":"ULMER MARK","source":"filing","n_filings":6,"first_seen":"2016-12-14","last_seen":"2017-10-03"}],"transactions":[{"id":9236917,"accession":"0001144204-17-051167","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001144204-17-051167","line_url":"/filing/0001144204-17-051167","is_derivative":false,"issuer_cik":"0001687231","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001687231","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP - Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP - Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP - Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":9191600.0,"shares_display":"9,191,600","price_per_share":0.003599564820053092,"price_display":"0.00","price_state":"stated","total_value":33085.76,"total_display":"33,085.76","total_whole":"33,086","shares_owned_after":42264200.0,"shares_owned_after_display":"42,264,200","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-28","filed_date":"2017-10-03","scope":"insider","n_lines":2},{"id":2566161,"accession":"0001144204-16-141787","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001144204-16-141787","line_url":"/filing/0001144204-16-141787","is_derivative":false,"issuer_cik":"0001404079","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001404079","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP - Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP - Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP - Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":45958.0,"shares_display":"45,958","price_per_share":0.7198694460159276,"price_display":"0.72","price_state":"stated","total_value":33083.76,"total_display":"33,083.76","total_whole":"33,084","shares_owned_after":5887000.0,"shares_owned_after_display":"5,887,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-28","filed_date":"2016-12-29","scope":"insider","n_lines":2},{"id":9236919,"accession":"0001144204-17-051167","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001144204-17-051167","line_url":"/filing/0001144204-17-051167","is_derivative":false,"issuer_cik":"0001687231","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001687231","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP - Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP - Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP - Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":4869200.0,"shares_display":"4,869,200","price_per_share":0.003369218762835784,"price_display":"0.00","price_state":"stated","total_value":16405.4,"total_display":"16,405.40","total_whole":"16,405","shares_owned_after":29702200.0,"shares_owned_after_display":"29,702,200","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-27","filed_date":"2017-10-03","scope":"insider","n_lines":4},{"id":2566148,"accession":"0001144204-16-141787","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001144204-16-141787","line_url":"/filing/0001144204-16-141787","is_derivative":false,"issuer_cik":"0001404079","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001404079","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP - Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP - Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP - Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":24346.0,"shares_display":"24,346","price_per_share":0.6815326378049782,"price_display":"0.68","price_state":"stated","total_value":16592.5936,"total_display":"16,592.59","total_whole":"16,593","shares_owned_after":5841042.0,"shares_owned_after_display":"5,841,042","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-27","filed_date":"2016-12-29","scope":"insider","n_lines":4},{"id":9236922,"accession":"0001144204-17-051169","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001144204-17-051169","line_url":"/filing/0001144204-17-051169","is_derivative":false,"issuer_cik":"0001687231","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001687231","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP - Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP - Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP - Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":17339200.0,"shares_display":"17,339,200","price_per_share":0.003125025376026576,"price_display":"0.00","price_state":"stated","total_value":54185.44,"total_display":"54,185.44","total_whole":"54,185","shares_owned_after":23864200.0,"shares_owned_after_display":"23,864,200","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-23","filed_date":"2017-10-03","scope":"insider","n_lines":3},{"id":2496865,"accession":"0001144204-16-141560","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001144204-16-141560","line_url":"/filing/0001144204-16-141560","is_derivative":false,"issuer_cik":"0001404079","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001404079","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP -Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP -Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP -Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":86696.0,"shares_display":"86,696","price_per_share":0.6317532712005167,"price_display":"0.63","price_state":"stated","total_value":54770.4816,"total_display":"54,770.48","total_whole":"54,770","shares_owned_after":5795000.0,"shares_owned_after_display":"5,795,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-23","filed_date":"2016-12-28","scope":"insider","n_lines":3},{"id":9236924,"accession":"0001144204-17-051171","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001144204-17-051171","line_url":"/filing/0001144204-17-051171","is_derivative":false,"issuer_cik":"0001687231","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001687231","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP - Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP - Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP - Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":5160000.0,"shares_display":"5,160,000","price_per_share":0.003193410852713178,"price_display":"0.00","price_state":"stated","total_value":16478.0,"total_display":"16,478.00","total_whole":"16,478","shares_owned_after":10864200.0,"shares_owned_after_display":"10,864,200","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-13","filed_date":"2017-10-03","scope":"insider","n_lines":2},{"id":2496830,"accession":"0001144204-16-139477","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001144204-16-139477","line_url":"/filing/0001144204-16-139477","is_derivative":false,"issuer_cik":"0001404079","issuer_name":"Samson Oil & Gas LTD","issuer_ticker":"SSN","issuer_name_source":null,"issuer_url":"/issuer/0001404079","owner_cik":"0001687231","owner_name":"ULMER MARK","owner_display_name":"ULMER MARK","owner_url":"/insider/0001687231","role":"Officer (VP -Engineering & Operations)","role_mark":"O","role_mark_label":"Officer (VP -Engineering & Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"VP -Engineering & Operations","security_title":"Ordinary Shares","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":25800.0,"shares_display":"25,800","price_per_share":0.6293410852713178,"price_display":"0.63","price_state":"stated","total_value":16237.0,"total_display":"16,237.00","total_whole":"16,237","shares_owned_after":5730000.0,"shares_owned_after_display":"5,730,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-12-13","filed_date":"2016-12-14","scope":"insider","n_lines":2}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":22,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":22,"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":22},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001404079","name":"Samson Oil & Gas LTD","url":"/issuer/0001404079","role":"Officer (VP - Engineering & Operations)","n_filings":6,"first_seen":"2016-12-14","last_seen":"2017-10-03"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001687231","retrieved_at":"2026-08-22T10:46:45+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"}}