{"transactions":[{"id":4007106,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":168566,"kind":"person","name":"Levine Barry J","position":1,"cik":"0001543554","reported_name":"Levine Barry J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Treasurer/CFO/COO"}}],"security":"Non-qualified Stock Option (right to buy)","published_at":"2018-03-08T16:05:52.000Z","date":"2018-03-06","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vested 1/48 each month after the date of grant and was fully vested as of 3/18/2017."}],"balance_after":0,"derivative":{"exercise_price":0.41,"expiration_date":"2018-03-18","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0000088000-18-000002","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88000/000008800018000002/primary_doc.xml","form_type":"4"}},{"id":4007105,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":168566,"kind":"person","name":"Levine Barry J","position":1,"cik":"0001543554","reported_name":"Levine Barry J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Treasurer/CFO/COO"}}],"security":"Common Stock","published_at":"2018-03-08T16:05:52.000Z","date":"2018-03-06","kind":"exercise","acquired":true,"shares":50000,"price":0.41,"value":20500.0,"ownership":{"direct":true},"balance_after":150000,"source":{"system":"sec-edgar","filing":"0000088000-18-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88000/000008800018000002/primary_doc.xml","form_type":"4"}},{"id":4391887,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":168566,"kind":"person","name":"Levine Barry J","position":1,"cik":"0001543554","reported_name":"Levine Barry J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Treasurer/CFO/COO"}}],"security":"Non-qualified Stock Option (right to buy)","published_at":"2017-03-10T16:59:33.000Z","date":"2017-03-10","kind":"exercise","acquired":false,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Option vests 1/48 of shares each month after the grant date."}],"balance_after":0,"derivative":{"exercise_price":0.24,"expiration_date":"2017-03-13","underlying":"Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0000088000-17-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88000/000008800017000001/primary_doc.xml","form_type":"4"}},{"id":4391886,"issuer":{"id":1286,"kind":"organization","name":"Horizon Kinetics Holding Corp","symbol":"HKHC"},"owners":[{"id":168566,"kind":"person","name":"Levine Barry J","position":1,"cik":"0001543554","reported_name":"Levine Barry J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Treasurer/CFO/COO"}}],"security":"Common Stock","published_at":"2017-03-10T16:59:33.000Z","date":"2017-03-10","kind":"exercise","acquired":true,"shares":100000,"price":0.24,"value":24000.0,"ownership":{"direct":true},"balance_after":100000,"source":{"system":"sec-edgar","filing":"0000088000-17-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88000/000008800017000001/primary_doc.xml","form_type":"4"}}]}