{"transactions":[{"id":1030411,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74830,"kind":"person","name":"Elson Marilyn","position":2,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common Stock","published_at":"2025-09-30T17:02:48.000Z","date":"2025-09-29","kind":"grant","planned":false,"acquired":true,"shares":83333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes shares that Reporting Person owns with spouse Leonard Osser and for which Reporting Person has shared voting and dispositive power with spouse. Form 4 filed as joint ownership filing"}],"balance_after":1618577,"source":{"system":"sec-edgar","filing":"0001829126-25-007778","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625007778/ownership.xml","form_type":"4"}},{"id":1041335,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Spouse"}}],"security":"Common Stock Warrants","published_at":"2025-09-12T12:58:21.000Z","date":"2025-09-10","kind":"sale","planned":false,"acquired":false,"shares":23150,"price":0.0174,"value":402.81,"ownership":{"direct":true},"balance_after":112850,"derivative":{"exercise_price":4.15,"exercise_date":"2022-09-19","expiration_date":"2025-09-19","underlying":"Common Stock","underlying_shares":23150},"source":{"system":"sec-edgar","filing":"0001829126-25-007350","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625007350/ownership.xml","form_type":"4"}},{"id":1083981,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Stock Option (right to buy)","published_at":"2025-07-21T12:35:03.000Z","date":"2025-07-17","kind":"grant","planned":false,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":436000,"derivative":{"exercise_price":1.15,"exercise_date":"2029-08-01","expiration_date":"2030-07-17","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001829126-25-005220","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625005220/ownership.xml","form_type":"4"}},{"id":1083980,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Stock Option (right to buy)","published_at":"2025-07-21T12:35:03.000Z","date":"2025-07-17","kind":"grant","planned":false,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":406000,"derivative":{"exercise_price":1.15,"exercise_date":"2028-08-01","expiration_date":"2030-07-17","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001829126-25-005220","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625005220/ownership.xml","form_type":"4"}},{"id":1083979,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Stock Option (right to buy)","published_at":"2025-07-21T12:35:03.000Z","date":"2025-07-17","kind":"grant","planned":false,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":376000,"derivative":{"exercise_price":1.15,"exercise_date":"2027-08-01","expiration_date":"2030-07-17","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001829126-25-005220","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625005220/ownership.xml","form_type":"4"}},{"id":1083978,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Stock Option (right to buy)","published_at":"2025-07-21T12:35:03.000Z","date":"2025-07-17","kind":"grant","planned":false,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":346000,"derivative":{"exercise_price":1.15,"exercise_date":"2026-08-01","expiration_date":"2030-07-17","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001829126-25-005220","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625005220/ownership.xml","form_type":"4"}},{"id":1083977,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Stock Option (right to buy)","published_at":"2025-07-21T12:35:03.000Z","date":"2025-07-17","kind":"grant","planned":false,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":316000,"derivative":{"exercise_price":1.15,"exercise_date":"2025-08-01","expiration_date":"2030-07-17","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001829126-25-005220","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625005220/ownership.xml","form_type":"4"}},{"id":1083976,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Stock Option (right to buy)","published_at":"2025-07-21T12:35:03.000Z","date":"2025-07-17","kind":"grant","planned":false,"acquired":true,"shares":150000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":286000,"derivative":{"exercise_price":1.15,"exercise_date":"2025-07-17","expiration_date":"2030-07-17","underlying":"Common Stock","underlying_shares":150000},"source":{"system":"sec-edgar","filing":"0001829126-25-005220","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912625005220/ownership.xml","form_type":"4"}},{"id":1382624,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2024-10-23T20:55:21.000Z","date":"2024-10-22","kind":"sale","planned":false,"acquired":false,"shares":107984,"price":0.93,"value":100425.12,"ownership":{"direct":true},"balance_after":4606882,"source":{"system":"sec-edgar","filing":"0001437749-24-031909","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774924031909/rdgdoc.xml","form_type":"4"}},{"id":1393923,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common Stock","published_at":"2024-10-02T14:04:02.000Z","date":"2024-09-30","kind":"grant","planned":false,"acquired":true,"shares":700000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":1535244,"source":{"system":"sec-edgar","filing":"0001829126-24-006598","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912624006598/ownership.xml","form_type":"4/A","original_submission_date":"2024-09-25"}},{"id":1399406,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common Stock","published_at":"2024-09-25T17:27:07.000Z","date":"2024-09-23","kind":"grant","planned":false,"acquired":true,"shares":700000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":1535244,"source":{"system":"sec-edgar","filing":"0001829126-24-006465","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912624006465/ownership.xml","form_type":"4"}},{"id":1399405,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common stock warrants","published_at":"2024-09-25T17:26:34.000Z","date":"2022-09-28","kind":"purchase","planned":false,"acquired":true,"shares":36000,"price":0.4,"value":14400.0,"ownership":{"direct":true},"balance_after":136000,"derivative":{"exercise_price":4.15,"exercise_date":"2022-09-28","expiration_date":"2025-09-19","underlying":"Common Stock","underlying_shares":36000},"source":{"system":"sec-edgar","filing":"0001829126-24-006464","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912624006464/ownership.xml","form_type":"4/A","original_submission_date":"2023-10-05"}},{"id":1419408,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2024-08-30T21:04:38.000Z","date":"2024-08-28","kind":"grant","planned":false,"acquired":true,"shares":112356,"price":0.89,"value":99996.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the annual fee paid to non-employee directors of $100,000, payable in restricted shares of the Company's common stock one-fourth vesting upon the grant and the balance vesting in equal tranches over the next three quarters, October 1, 2024, January 1, 2025, and April 1, 2025"}],"balance_after":4714862,"source":{"system":"sec-edgar","filing":"0001437749-24-028154","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774924028154/rdgdoc.xml","form_type":"4"}},{"id":1426964,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2024-08-21T21:03:28.000Z","date":"2024-08-21","kind":"sale","planned":false,"acquired":false,"shares":141913,"price":0.95,"value":134817.35,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"2,272,714 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4602506,"source":{"system":"sec-edgar","filing":"0001437749-24-027506","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774924027506/rdgdoc.xml","form_type":"4"}},{"id":1764282,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Ms. Elson serves as CFO"}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common stock warrants","published_at":"2023-10-05T12:07:22.000Z","date":"2022-09-28","kind":"purchase","planned":false,"acquired":true,"shares":9500,"price":0.4,"value":3800.0,"ownership":{"direct":true},"balance_after":109500,"derivative":{"exercise_price":4.15,"exercise_date":"2022-09-28","expiration_date":"2025-09-19","underlying":"Common Stock","underlying_shares":9500},"source":{"system":"sec-edgar","filing":"0001829126-23-006447","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912623006447/ownership.xml","form_type":"4"}},{"id":1811296,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2023-08-10T22:30:04.000Z","date":"2023-06-28","kind":"grant","planned":false,"acquired":true,"shares":112360,"price":0.89,"value":100000.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the annual fee paid to non-employee directors of $100,000, payable in restricted shares of the Company's common stock valued as of the close of business on the grant date of June 28, 2023, with one-fourth vesting upon the grant and the balance vesting in equal tranches over the next three quarters, October 1, 2023, January 1, 2024, and April 1, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"2,019,266 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4619695,"source":{"system":"sec-edgar","filing":"0001437749-23-023142","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774923023142/rdgdoc.xml","form_type":"4"}},{"id":2139799,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-10-11T22:45:48.000Z","date":"2022-06-13","kind":"grant","acquired":true,"shares":121951,"price":0.82,"value":99999.82,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents the annual fee paid to non-employee directors of $100,000, payable in restricted shares of the Company's common stock valued as of the close of business on the grant date of June 14, 2022, with one-fourth vesting upon the grant and the balance vesting in equal tranches over the next three quarters, October 1, 2022, January 1, 2023, and April 1, 2023."}],"balance_after":4347547,"source":{"system":"sec-edgar","filing":"0001437749-22-023966","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922023966/rdgdoc.xml","form_type":"4/A","original_submission_date":"2022-06-15"}},{"id":2149349,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Ms. Elson serves as CFO"}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common Stock","published_at":"2022-09-29T12:30:16.000Z","date":"2022-09-28","kind":"purchase","acquired":true,"shares":9500,"price":1.12,"value":10640.0,"ownership":{"direct":false,"nature":"shares owned jointly by reporting person and by spouse"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Includes shares that Reporting Person owns with spouse Leonard Osser and for which Reporting Person has shared voting and dispositive power with spouse. Form 4 filed as joint ownership filing"}],"balance_after":835244,"source":{"system":"sec-edgar","filing":"0001829126-22-017254","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912622017254/ownership.xml","form_type":"4"}},{"id":2153945,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Ms. Elson serves as CFO"}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common stock warrants","published_at":"2022-09-20T14:29:04.000Z","date":"2022-09-16","kind":"purchase","acquired":true,"shares":100000,"price":0.4,"value":40000.0,"ownership":{"direct":true},"balance_after":100000,"derivative":{"exercise_price":4.15,"exercise_date":"2022-09-19","expiration_date":"2025-09-19","underlying":"Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001829126-22-017010","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912622017010/ownership.xml","form_type":"4"}},{"id":2153944,"issuer":{"id":8197,"kind":"organization","name":"Nexalin Technology, Inc."},"owners":[{"id":74830,"kind":"person","name":"Elson Marilyn","position":1,"cik":"0001916491","reported_name":"Elson Marilyn","relationship":{"director":false,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Ms. Elson serves as CFO"}},{"id":74829,"kind":"person","name":"OSSER LEONARD","position":2,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Spouse"}}],"security":"Common Stock","published_at":"2022-09-20T14:29:04.000Z","date":"2022-09-16","kind":"purchase","acquired":true,"shares":36000,"price":4.15,"value":149400.0,"ownership":{"direct":true},"balance_after":825744,"source":{"system":"sec-edgar","filing":"0001829126-22-017010","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1188354/000182912622017010/ownership.xml","form_type":"4"}},{"id":2231993,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-06-15T15:48:53.000Z","date":"2022-06-13","kind":"grant","acquired":true,"shares":30488,"price":0.82,"value":25000.16,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4256084,"source":{"system":"sec-edgar","filing":"0001437749-22-015031","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922015031/rdgdoc.xml","form_type":"4"}},{"id":2294281,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-04-20T10:06:36.000Z","date":"2022-04-18","kind":"sale","acquired":false,"shares":9842,"price":1.12,"value":11023.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4225596,"source":{"system":"sec-edgar","filing":"0001437749-22-009275","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922009275/rdgdoc.xml","form_type":"4"}},{"id":2298018,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-04-13T11:45:10.000Z","date":"2022-04-12","kind":"sale","acquired":false,"shares":8500,"price":1.18,"value":10030.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4235438,"source":{"system":"sec-edgar","filing":"0001437749-22-008795","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922008795/rdgdoc.xml","form_type":"4"}},{"id":2298017,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-04-13T11:45:10.000Z","date":"2022-04-11","kind":"sale","acquired":false,"shares":8200,"price":1.21,"value":9922.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4243938,"source":{"system":"sec-edgar","filing":"0001437749-22-008795","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922008795/rdgdoc.xml","form_type":"4"}},{"id":2309842,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-04-05T00:22:51.000Z","date":"2022-04-04","kind":"sale","acquired":false,"shares":14100,"price":1.42,"value":20022.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."}],"balance_after":4252138,"source":{"system":"sec-edgar","filing":"0001437749-22-008249","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922008249/rdgdoc.xml","form_type":"4"}},{"id":2309841,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-04-05T00:22:51.000Z","date":"2022-04-01","kind":"sale","acquired":false,"shares":6000,"price":1.51,"value":9060.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."}],"balance_after":4266238,"source":{"system":"sec-edgar","filing":"0001437749-22-008249","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922008249/rdgdoc.xml","form_type":"4"}},{"id":2315980,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-29T20:47:42.000Z","date":"2022-03-28","kind":"sale","acquired":false,"shares":7110,"price":1.33,"value":9456.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4272238,"source":{"system":"sec-edgar","filing":"0001437749-22-007561","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922007561/rdgdoc.xml","form_type":"4"}},{"id":2322250,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-23T00:02:12.000Z","date":"2022-03-22","kind":"sale","acquired":false,"shares":8000,"price":1.26,"value":10080.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4279348,"source":{"system":"sec-edgar","filing":"0001437749-22-006942","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922006942/rdgdoc.xml","form_type":"4"}},{"id":2322249,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-23T00:02:12.000Z","date":"2022-03-21","kind":"sale","acquired":false,"shares":7600,"price":1.3,"value":9880.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4287348,"source":{"system":"sec-edgar","filing":"0001437749-22-006942","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922006942/rdgdoc.xml","form_type":"4"}},{"id":2334359,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-15T22:08:41.000Z","date":"2022-03-15","kind":"sale","acquired":false,"shares":8500,"price":1.18,"value":10030.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4294948,"source":{"system":"sec-edgar","filing":"0001437749-22-006341","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922006341/rdgdoc.xml","form_type":"4"}},{"id":2334358,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-15T22:08:41.000Z","date":"2022-03-14","kind":"sale","acquired":false,"shares":8100,"price":1.23,"value":9963.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4303448,"source":{"system":"sec-edgar","filing":"0001437749-22-006341","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922006341/rdgdoc.xml","form_type":"4"}},{"id":2345805,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-08T23:07:04.000Z","date":"2022-03-08","kind":"sale","acquired":false,"shares":7500,"price":1.35,"value":10125.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4311548,"source":{"system":"sec-edgar","filing":"0001437749-22-005579","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922005579/rdgdoc.xml","form_type":"4"}},{"id":2345804,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-08T23:07:04.000Z","date":"2022-03-07","kind":"sale","acquired":false,"shares":6400,"price":1.53,"value":9792.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4319048,"source":{"system":"sec-edgar","filing":"0001437749-22-005579","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922005579/rdgdoc.xml","form_type":"4"}},{"id":2362927,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-02T22:08:31.000Z","date":"2022-03-01","kind":"sale","acquired":false,"shares":7600,"price":1.32,"value":10032.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4325448,"source":{"system":"sec-edgar","filing":"0001437749-22-005041","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922005041/rdgdoc.xml","form_type":"4"}},{"id":2362926,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-03-02T22:08:31.000Z","date":"2022-02-28","kind":"sale","acquired":false,"shares":7500,"price":1.33,"value":9975.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4333048,"source":{"system":"sec-edgar","filing":"0001437749-22-005041","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922005041/rdgdoc.xml","form_type":"4"}},{"id":2380259,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-02-23T21:49:07.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":8200,"price":1.221,"value":10012.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4340548,"source":{"system":"sec-edgar","filing":"0001437749-22-004196","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922004196/rdgdoc.xml","form_type":"4"}},{"id":2380258,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-02-23T21:49:07.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":7700,"price":1.285,"value":9894.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4348748,"source":{"system":"sec-edgar","filing":"0001437749-22-004196","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922004196/rdgdoc.xml","form_type":"4"}},{"id":2395725,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-02-15T22:22:03.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":8100,"price":1.24,"value":10044.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4356448,"source":{"system":"sec-edgar","filing":"0001437749-22-003453","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922003453/rdgdoc.xml","form_type":"4"}},{"id":2395724,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-02-15T22:22:03.000Z","date":"2022-02-14","kind":"sale","acquired":false,"shares":8400,"price":1.19,"value":9996.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4364548,"source":{"system":"sec-edgar","filing":"0001437749-22-003453","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922003453/rdgdoc.xml","form_type":"4"}},{"id":2409138,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-02-08T22:27:56.000Z","date":"2022-02-08","kind":"sale","acquired":false,"shares":7600,"price":1.3,"value":9880.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4372948,"source":{"system":"sec-edgar","filing":"0001437749-22-002764","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922002764/rdgdoc.xml","form_type":"4"}},{"id":2409137,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-02-08T22:27:56.000Z","date":"2022-02-07","kind":"sale","acquired":false,"shares":8000,"price":1.262,"value":10096.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4380548,"source":{"system":"sec-edgar","filing":"0001437749-22-002764","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922002764/rdgdoc.xml","form_type":"4"}},{"id":2420050,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock","published_at":"2022-02-01T22:45:32.000Z","date":"2022-02-01","kind":"sale","acquired":false,"shares":7650,"price":1.315,"value":10059.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4388548,"source":{"system":"sec-edgar","filing":"0001437749-22-002129","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922002129/rdgdoc.xml","form_type":"4"}},{"id":2420049,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock","published_at":"2022-02-01T22:45:32.000Z","date":"2022-01-31","kind":"sale","acquired":false,"shares":7800,"price":1.272,"value":9921.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4396198,"source":{"system":"sec-edgar","filing":"0001437749-22-002129","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922002129/rdgdoc.xml","form_type":"4"}},{"id":2427135,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-25T23:36:02.000Z","date":"2022-01-25","kind":"sale","acquired":false,"shares":6600,"price":1.515,"value":9999.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4403998,"source":{"system":"sec-edgar","filing":"0001437749-22-001610","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922001610/rdgdoc.xml","form_type":"4"}},{"id":2427134,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-25T23:36:02.000Z","date":"2022-01-24","kind":"sale","acquired":false,"shares":7200,"price":1.39,"value":10008.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4410598,"source":{"system":"sec-edgar","filing":"0001437749-22-001610","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922001610/rdgdoc.xml","form_type":"4"}},{"id":2433006,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-19T22:20:59.000Z","date":"2022-01-19","kind":"sale","acquired":false,"shares":5800,"price":1.715,"value":9947.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4417798,"source":{"system":"sec-edgar","filing":"0001437749-22-001235","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922001235/rdgdoc.xml","form_type":"4"}},{"id":2433005,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-19T22:20:59.000Z","date":"2022-01-18","kind":"sale","acquired":false,"shares":5800,"price":1.721,"value":9981.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4423598,"source":{"system":"sec-edgar","filing":"0001437749-22-001235","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922001235/rdgdoc.xml","form_type":"4"}},{"id":2438281,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-11T22:17:44.000Z","date":"2022-01-11","kind":"sale","acquired":false,"shares":4900,"price":2.015,"value":9873.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4429398,"source":{"system":"sec-edgar","filing":"0001437749-22-000737","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922000737/rdgdoc.xml","form_type":"4"}},{"id":2438280,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-11T22:17:44.000Z","date":"2022-01-10","kind":"sale","acquired":false,"shares":5000,"price":2.019,"value":10095.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4434928,"source":{"system":"sec-edgar","filing":"0001437749-22-000737","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922000737/rdgdoc.xml","form_type":"4"}},{"id":2442211,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock","published_at":"2022-01-06T22:19:35.000Z","date":"2022-01-04","kind":"sale","acquired":false,"shares":4400,"price":2.086,"value":9178.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4439928,"source":{"system":"sec-edgar","filing":"0001437749-22-000556","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922000556/rdgdoc.xml","form_type":"4"}},{"id":2455223,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-03T23:19:38.000Z","date":"2022-01-03","kind":"sale","acquired":false,"shares":5000,"price":2.15,"value":10750.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\na.\tDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4443698,"source":{"system":"sec-edgar","filing":"0001437749-22-000209","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922000209/rdgdoc.xml","form_type":"4"}},{"id":2455222,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-03T23:19:38.000Z","date":"2021-12-31","kind":"grant","acquired":true,"shares":48544,"price":2.06,"value":100000.64,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares held of record by US Asian Consulting Group LLC. of which, reporting person is the principal."}],"balance_after":4448698,"source":{"system":"sec-edgar","filing":"0001437749-22-000209","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922000209/rdgdoc.xml","form_type":"4"}},{"id":2455221,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2022-01-03T23:19:38.000Z","date":"2021-12-31","kind":"grant","acquired":true,"shares":48544,"price":2.06,"value":100000.64,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,602,600 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4400154,"source":{"system":"sec-edgar","filing":"0001437749-22-000209","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774922000209/rdgdoc.xml","form_type":"4"}},{"id":2458168,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-12-28T21:52:57.000Z","date":"2021-12-28","kind":"sale","acquired":false,"shares":5000,"price":2.118,"value":10590.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4351610,"source":{"system":"sec-edgar","filing":"0001437749-21-029349","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921029349/rdgdoc.xml","form_type":"4"}},{"id":2458167,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-12-28T21:52:57.000Z","date":"2021-12-27","kind":"sale","acquired":false,"shares":4600,"price":2.045,"value":9407.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4356610,"source":{"system":"sec-edgar","filing":"0001437749-21-029349","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921029349/rdgdoc.xml","form_type":"4"}},{"id":2463206,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-12-21T22:26:42.000Z","date":"2021-12-21","kind":"sale","acquired":false,"shares":4850,"price":2.024,"value":9816.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4361210,"source":{"system":"sec-edgar","filing":"0001437749-21-029048","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921029048/rdgdoc.xml","form_type":"4"}},{"id":2463205,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-12-21T22:26:42.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":5000,"price":2.025,"value":10125.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on\nDecember 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4366060,"source":{"system":"sec-edgar","filing":"0001437749-21-029048","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921029048/rdgdoc.xml","form_type":"4"}},{"id":2470741,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-12-16T22:31:05.000Z","date":"2021-12-16","kind":"sale","acquired":false,"shares":3900,"price":1.966,"value":7667.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4371060,"source":{"system":"sec-edgar","filing":"0001437749-21-028784","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921028784/rdgdoc.xml","form_type":"4"}},{"id":2470740,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-12-16T22:31:05.000Z","date":"2021-12-15","kind":"sale","acquired":false,"shares":2100,"price":1.946,"value":4086.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4374960,"source":{"system":"sec-edgar","filing":"0001437749-21-028784","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921028784/rdgdoc.xml","form_type":"4"}},{"id":2474372,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-12-14T22:23:04.000Z","date":"2021-12-14","kind":"sale","acquired":false,"shares":2100,"price":1.879,"value":3945.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person after the termination of employment."}],"balance_after":4377060,"source":{"system":"sec-edgar","filing":"0001437749-21-028576","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921028576/rdgdoc.xml","form_type":"4"}},{"id":2474371,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-12-14T22:23:04.000Z","date":"2021-12-13","kind":"sale","acquired":false,"shares":2100,"price":1.974,"value":4145.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, which became effective on December 13, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,505,512 of these shares are issuable to the reporting person after the termination of employment."}],"balance_after":4379160,"source":{"system":"sec-edgar","filing":"0001437749-21-028576","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921028576/rdgdoc.xml","form_type":"4"}},{"id":2489763,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Warrants (right to buy)","published_at":"2021-12-02T21:14:43.000Z","date":"2021-12-01","kind":"exercise","acquired":false,"shares":71250,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"see footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Recordholder is Pershing LLC. the reporting person is the beneficial owner of these shares thru his brokerage account at Pershing."}],"balance_after":0,"derivative":{"exercise_price":0.5,"exercise_date":"2019-02-06","expiration_date":"2022-01-08","underlying":"Common Stock","underlying_shares":71250},"source":{"system":"sec-edgar","filing":"0001437749-21-027698","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921027698/rdgdoc.xml","form_type":"4"}},{"id":2489762,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Employee Stock Option (right to buy)","published_at":"2021-12-02T21:14:43.000Z","date":"2021-11-30","kind":"exercise","acquired":false,"shares":62112,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":1.71,"exercise_date":"2017-01-09","expiration_date":"2022-01-08","underlying":"Common Stock","underlying_shares":62112},"source":{"system":"sec-edgar","filing":"0001437749-21-027698","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921027698/rdgdoc.xml","form_type":"4"}},{"id":2489761,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-12-02T21:14:43.000Z","date":"2021-12-01","kind":"exercise","acquired":true,"shares":71250,"price":0.5,"value":35625.0,"ownership":{"direct":false,"nature":"see footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Recordholder is Pershing LLC. the reporting person is the beneficial owner of these shares thru his brokerage account at Pershing."}],"balance_after":4381260,"source":{"system":"sec-edgar","filing":"0001437749-21-027698","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921027698/rdgdoc.xml","form_type":"4"}},{"id":2489760,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-12-02T21:14:43.000Z","date":"2021-11-30","kind":"exercise","acquired":true,"shares":62112,"price":1.71,"value":106211.52,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4310010,"source":{"system":"sec-edgar","filing":"0001437749-21-027698","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921027698/rdgdoc.xml","form_type":"4"}},{"id":2516481,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Employee Stock Option (right to buy)","published_at":"2021-11-12T21:06:44.000Z","date":"2021-11-09","kind":"exercise","acquired":false,"shares":171429,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":1.93,"exercise_date":"2016-11-10","expiration_date":"2021-11-10","underlying":"Common Stock","underlying_shares":171429},"source":{"system":"sec-edgar","filing":"0001437749-21-026475","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921026475/rdgdoc.xml","form_type":"4"}},{"id":2516480,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-11-12T21:06:44.000Z","date":"2021-11-09","kind":"exercise","acquired":true,"shares":171429,"price":1.93,"value":330857.97,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment and 62,112 shares issuable under options exercisable within 60 days."}],"balance_after":4310020,"source":{"system":"sec-edgar","filing":"0001437749-21-026475","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921026475/rdgdoc.xml","form_type":"4"}},{"id":2657896,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-06-23T21:19:47.000Z","date":"2021-06-21","kind":"grant","acquired":true,"shares":45872,"price":2.18,"value":100000.96,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,505,512 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4053587,"source":{"system":"sec-edgar","filing":"0001437749-21-015489","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921015489/rdgdoc.xml","form_type":"4"}},{"id":2736445,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-04-29T20:59:30.000Z","date":"2021-04-23","kind":"grant","acquired":true,"shares":2000000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Vesting over the five-year period after the Reporting Person steps down as interim Chief Executive Officer of the Issuer or ten years from the date of grant, whichever shall end first."}],"balance_after":2000000,"derivative":{"exercise_price":2.46,"expiration_date":"2031-04-23","underlying":"Common Stock","underlying_shares":2000000},"source":{"system":"sec-edgar","filing":"0001437749-21-010250","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921010250/rdgdoc.xml","form_type":"4"}},{"id":2870214,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-02-10T21:31:03.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":31378,"price":2.3,"value":72169.4,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4190733,"source":{"system":"sec-edgar","filing":"0001437749-21-002458","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921002458/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-01-04"}},{"id":2910006,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-12T22:11:33.000Z","date":"2020-08-04","kind":"other","acquired":false,"shares":133333,"price":2.1,"value":279999.3,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":3927727,"source":{"system":"sec-edgar","filing":"0001437749-21-000582","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000582/rdgdoc.xml","form_type":"4/A","original_submission_date":"2020-08-05"}},{"id":2912935,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-08T22:05:59.000Z","date":"2021-01-08","kind":"sale","acquired":false,"shares":21591,"price":2.31,"value":49875.21,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":3994557,"source":{"system":"sec-edgar","filing":"0001437749-21-000426","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000426/rdgdoc.xml","form_type":"4"}},{"id":2912934,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-08T22:05:59.000Z","date":"2021-01-08","kind":"sale","acquired":false,"shares":18409,"price":2.35,"value":43261.15,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4016148,"source":{"system":"sec-edgar","filing":"0001437749-21-000426","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000426/rdgdoc.xml","form_type":"4"}},{"id":2912933,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-08T22:05:59.000Z","date":"2021-01-07","kind":"sale","acquired":false,"shares":45240,"price":2.2,"value":99528.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4034557,"source":{"system":"sec-edgar","filing":"0001437749-21-000426","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000426/rdgdoc.xml","form_type":"4"}},{"id":2914191,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-07T15:37:51.000Z","date":"2021-01-06","kind":"sale","acquired":false,"shares":10760,"price":2.22,"value":23887.2,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4079797,"source":{"system":"sec-edgar","filing":"0001437749-21-000323","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000323/rdgdoc.xml","form_type":"4"}},{"id":2917397,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-06T21:18:55.000Z","date":"2021-01-05","kind":"sale","acquired":false,"shares":59668,"price":2.25,"value":134253.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4090557,"source":{"system":"sec-edgar","filing":"0001437749-21-000262","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000262/rdgdoc.xml","form_type":"4"}},{"id":2923525,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-05T21:07:51.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":71886,"price":2.3,"value":165337.8,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4150225,"source":{"system":"sec-edgar","filing":"0001437749-21-000109","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000109/rdgdoc.xml","form_type":"4"}},{"id":2926696,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Stock Option (Right yo Buy)","published_at":"2021-01-04T22:27:14.000Z","date":"2021-01-04","kind":"exercise","acquired":false,"shares":82988,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Options vested over three equal installments over 3 years. Expiring February 4, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Options vested over three equal installments over 3 years. Expiring February 4, 2021."}],"balance_after":0,"derivative":{"exercise_price":1.72,"underlying":"Common Stock","underlying_shares":82988},"source":{"system":"sec-edgar","filing":"0001437749-21-000067","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000067/rdgdoc.xml","form_type":"4"}},{"id":2926695,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2021-01-04T22:27:14.000Z","date":"2021-01-04","kind":"exercise","acquired":true,"shares":82988,"price":1.72,"value":142739.36,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4222111,"source":{"system":"sec-edgar","filing":"0001437749-21-000067","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774921000067/rdgdoc.xml","form_type":"4"}},{"id":2936875,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2020-12-21T20:18:09.000Z","date":"2020-12-18","kind":"sale","acquired":false,"shares":54400,"price":2.173,"value":118211.2,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4139123,"source":{"system":"sec-edgar","filing":"0001437749-20-025704","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920025704/rdgdoc.xml","form_type":"4"}},{"id":2938626,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2020-12-18T15:52:29.000Z","date":"2020-12-17","kind":"sale","acquired":false,"shares":16300,"price":2.24,"value":36512.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4193523,"source":{"system":"sec-edgar","filing":"0001437749-20-025601","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920025601/rdgdoc.xml","form_type":"4"}},{"id":2941132,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2020-12-17T21:23:19.000Z","date":"2020-12-16","kind":"sale","acquired":false,"shares":72500,"price":2.13,"value":154425.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4209823,"source":{"system":"sec-edgar","filing":"0001437749-20-025546","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920025546/rdgdoc.xml","form_type":"4"}},{"id":2945454,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-12-15T22:27:40.000Z","date":"2020-12-15","kind":"exercise","acquired":false,"shares":336970,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Options vested over three equal installments over 3 years. Expiring January 8, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Options vested over three equal installments over 3 years. Expiring January 8, 2021."}],"balance_after":0,"derivative":{"exercise_price":1.14,"underlying":"Common Stock","underlying_shares":336970},"source":{"system":"sec-edgar","filing":"0001437749-20-025412","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920025412/rdgdoc.xml","form_type":"4"}},{"id":2945453,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2020-12-15T22:27:40.000Z","date":"2020-12-15","kind":"exercise","acquired":true,"shares":336970,"price":1.14,"value":384145.8,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":4282323,"source":{"system":"sec-edgar","filing":"0001437749-20-025412","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920025412/rdgdoc.xml","form_type":"4"}},{"id":3068504,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2020-08-05T19:06:51.000Z","date":"2020-08-04","kind":"purchase","acquired":true,"shares":17626,"price":2.1,"value":37014.6,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares are owned by a company of which the reporting person owns 13.22% percent."}],"balance_after":3945353,"source":{"system":"sec-edgar","filing":"0001437749-20-016648","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920016648/rdgdoc.xml","form_type":"4"}},{"id":3068503,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"officer_title":"Interim CEO"}}],"security":"Common Stock, Par Value $0.001","published_at":"2020-08-05T19:06:51.000Z","date":"2020-08-04","kind":"sale","acquired":false,"shares":133333,"price":2.1,"value":279999.3,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment."}],"balance_after":3927727,"source":{"system":"sec-edgar","filing":"0001437749-20-016648","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920016648/rdgdoc.xml","form_type":"4"}},{"id":3075201,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Interim Chief Executive"}}],"security":"Common Stock","published_at":"2020-07-28T15:56:19.000Z","date":"2020-06-30","kind":"grant","acquired":true,"shares":76923,"price":1.95,"value":149999.85,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment"}],"balance_after":4061060,"source":{"system":"sec-edgar","filing":"0001437749-20-015834","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920015834/rdgdoc.xml","form_type":"4"}},{"id":3075200,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Interim Chief Executive"}}],"security":"Common Stock","published_at":"2020-07-28T15:56:19.000Z","date":"2020-05-13","kind":"grant","acquired":true,"shares":94340,"price":1.59,"value":150000.6,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment"}],"balance_after":3984137,"source":{"system":"sec-edgar","filing":"0001437749-20-015834","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920015834/rdgdoc.xml","form_type":"4"}},{"id":3075199,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Interim Chief Executive"}}],"security":"Common Stock","published_at":"2020-07-28T15:56:19.000Z","date":"2020-02-06","kind":"grant","acquired":true,"shares":79787,"price":1.88,"value":149999.56,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment"}],"balance_after":3904350,"source":{"system":"sec-edgar","filing":"0001437749-20-015834","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920015834/rdgdoc.xml","form_type":"4"}},{"id":3075198,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Interim Chief Executive"}}],"security":"Common Stock","published_at":"2020-07-28T15:56:19.000Z","date":"2020-02-06","kind":"grant","acquired":true,"shares":79787,"price":1.88,"value":149999.56,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment"}],"balance_after":3810010,"source":{"system":"sec-edgar","filing":"0001437749-20-015834","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920015834/rdgdoc.xml","form_type":"4"}},{"id":3075197,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Interim Chief Executive"}}],"security":"Common Stock","published_at":"2020-07-28T15:56:19.000Z","date":"2020-02-06","kind":"grant","acquired":true,"shares":53191,"price":1.88,"value":99999.08,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment"}],"balance_after":3730223,"source":{"system":"sec-edgar","filing":"0001437749-20-015834","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920015834/rdgdoc.xml","form_type":"4"}},{"id":3075196,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Interim Chief Executive"}}],"security":"Common Stock","published_at":"2020-07-28T15:56:19.000Z","date":"2020-02-06","kind":"grant","acquired":true,"shares":53191,"price":1.88,"value":99999.08,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"1,492,354 of these shares are issuable to the reporting person at the termination of employment"}],"balance_after":3677032,"source":{"system":"sec-edgar","filing":"0001437749-20-015834","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774920015834/rdgdoc.xml","form_type":"4"}},{"id":3669265,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chief Executive Officer"}}],"security":"Warrants (right to buy)","published_at":"2019-02-08T17:36:39.000Z","date":"2019-02-06","kind":"purchase","acquired":true,"shares":71250,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"$0.000001"}],"balance_after":1040574,"derivative":{"exercise_price":0.5,"exercise_date":"2019-02-06","expiration_date":"2024-02-06","underlying":"Common Stock","underlying_shares":71250},"source":{"system":"sec-edgar","filing":"0001437749-19-002118","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774919002118/rdgdoc.xml","form_type":"4"}},{"id":3669264,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock, Par Value $0.001","published_at":"2019-02-08T17:36:39.000Z","date":"2019-02-06","kind":"purchase","acquired":true,"shares":285000,"price":0.35,"value":99750.0,"ownership":{"direct":true},"balance_after":3624056,"source":{"system":"sec-edgar","filing":"0001437749-19-002118","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774919002118/rdgdoc.xml","form_type":"4"}},{"id":4345022,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2017-04-26T20:07:20.000Z","date":"2017-04-24","kind":"gift","acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes, 886,865 shares are issuable to the reporting person at the termination of employment."}],"balance_after":3170571,"source":{"system":"sec-edgar","filing":"0001437749-17-007203","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774917007203/rdgdoc.xml","form_type":"4"}},{"id":4493369,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Options to purchase Common stock","published_at":"2017-01-11T23:22:18.000Z","date":"2017-01-09","kind":"grant","acquired":true,"shares":62112,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"These options are exercisable as follows: (i) for 20,704 shares on the date of grant (1-9-17) and (ii) for an additional 1/3 of the 41,408 remaining shares on each of the 1st through 3rd anniversaries of the date of grant."}],"balance_after":62112,"derivative":{"exercise_price":1.77,"exercise_date":"2017-01-09","expiration_date":"2022-01-09","underlying":"Common Stock","underlying_shares":62112},"source":{"system":"sec-edgar","filing":"0001437749-17-000559","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774917000559/rdgdoc.xml","form_type":"4"}},{"id":4493368,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Options to purchase Common stock","published_at":"2017-01-11T23:22:18.000Z","date":"2017-01-09","kind":"exercise","acquired":false,"shares":83333,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":1,"derivative":{"exercise_price":0.75,"exercise_date":"2012-01-09","expiration_date":"2017-01-09","underlying":"Common stock","underlying_shares":83333},"source":{"system":"sec-edgar","filing":"0001437749-17-000559","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774917000559/rdgdoc.xml","form_type":"4"}},{"id":4493367,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2017-01-11T23:22:18.000Z","date":"2017-01-09","kind":"grant","acquired":true,"shares":31056,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"910,196 shares are issuable to the reporting person at the termination of employment."}],"balance_after":3101624,"source":{"system":"sec-edgar","filing":"0001437749-17-000559","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774917000559/rdgdoc.xml","form_type":"4"}},{"id":4493366,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2017-01-11T23:22:18.000Z","date":"2017-01-09","kind":"exercise","acquired":true,"shares":83333,"price":0.75,"value":62499.75,"ownership":{"direct":true},"balance_after":3070568,"source":{"system":"sec-edgar","filing":"0001437749-17-000559","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774917000559/rdgdoc.xml","form_type":"4"}},{"id":4493365,"issuer":{"id":7313,"kind":"organization","name":"MILESTONE SCIENTIFIC INC."},"owners":[{"id":74829,"kind":"person","name":"OSSER LEONARD","position":1,"cik":"0001188354","reported_name":"OSSER LEONARD","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Options to purchase Common Stock","published_at":"2017-01-11T23:02:07.000Z","date":"2016-12-23","kind":"exercise","acquired":false,"shares":50000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person is amending the Form 4 filed on December 27, 2016 for the purpose of reflecting an option exercise for 50,000 shares rather than a stock award of 66,667 shares."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":83334,"derivative":{"exercise_price":0.75,"exercise_date":"2012-01-09","expiration_date":"2017-01-09","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001437749-17-000556","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855683/000143774917000556/rdgdoc.xml","form_type":"5"}}],"next_cursor":"2017-01-11T23:02:07.000000Z,4493365"}