{"transactions":[{"id":703728,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Executive Chairman"}}],"security":"Warrant (right to buy)","published_at":"2026-07-24T20:06:51.000Z","date":"2026-07-22","kind":"grant","planned":false,"acquired":true,"shares":220000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By RCS/TIG Holdings LLC"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"This warrant is owned directly RCS/TIG Holdings LLC (\"RCS/TIG\"). As the owner-manager of RCS/TIG, Mr. Raymond Stachowiak is deemed to have indirect beneficial ownership of the securities held by RCS/TIG due to his pecuniary interest therein. The grant of this warrant was approved by the board of directors of American Shared Hospital Services and is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-3(d)(1) promulgated thereunder."}],"balance_after":220000,"derivative":{"exercise_price":1.45,"exercise_date":"2026-07-22","expiration_date":"2027-07-22","underlying":"Common Stock","underlying_shares":220000},"source":{"system":"sec-edgar","filing":"0001437749-26-024412","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774926024412/rdgdoc.xml","form_type":"4"}},{"id":728286,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Executive Chairman"}}],"security":"Common Stock No Par Value","published_at":"2026-06-24T20:09:37.000Z","date":"2026-06-22","kind":"purchase","planned":false,"acquired":true,"shares":586468,"price":2.28,"value":1337147.04,"ownership":{"direct":false,"nature":"By RCS/TIG Holdings LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The Reporting Person purchased these shares in a private transaction."}],"balance_after":586468,"source":{"system":"sec-edgar","filing":"0001437749-26-021567","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774926021567/rdgdoc.xml","form_type":"4"}},{"id":808492,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Executive Chairman"}}],"security":"Common Stock, No Par Value","published_at":"2026-04-15T23:15:06.000Z","date":"2026-03-26","kind":"grant","planned":false,"acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of 100,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting, 25,000 vest on each April 1, 2026, July 1, 2026, October 1, 2026, and January 1, 2027."}],"balance_after":774678,"source":{"system":"sec-edgar","filing":"0001437749-26-012467","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774926012467/rdgdoc.xml","form_type":"4"}},{"id":1099728,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Executive Chairman"}}],"security":"Common Stock, No Par Value","published_at":"2025-06-30T22:18:40.000Z","date":"2025-06-26","kind":"grant","planned":false,"acquired":true,"shares":110000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of 110,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. 30,000 units vest on each of June 27, 2025 and July 2, 2025, and 25,000 units vest on each of October 1, 2025, and January 1, 2026."}],"balance_after":664678,"source":{"system":"sec-edgar","filing":"0001437749-25-021603","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774925021603/rdgdoc.xml","form_type":"4"}},{"id":1162061,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":80270,"kind":"person","name":"Tagawa Craig Kenji","position":1,"cik":"0001609957","reported_name":"Tagawa Craig Kenji","relationship":{"officer":true,"officer_title":"President"}}],"security":"Common Stock, No Par Value","published_at":"2025-05-02T15:49:55.000Z","date":"2025-04-30","kind":"grant","planned":false,"acquired":true,"shares":5613,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These Restricted Stock Units vest after 6 months from issuance."}],"balance_after":35501,"source":{"system":"sec-edgar","filing":"0001437749-25-014240","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774925014240/rdgdoc.xml","form_type":"4"}},{"id":1323632,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":84852,"kind":"person","name":"Frech Raymond Scott","position":1,"cik":"0002049478","reported_name":"Frech Raymond Scott","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock, No Par Value","published_at":"2024-12-24T01:19:24.000Z","date":"2024-12-19","kind":"grant","planned":false,"acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares represent Restricted Stock Units and will vest in equal annual installments over a five-year period beginning on December 19, 2025."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001437749-24-038332","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774924038332/rdgdoc.xml","form_type":"4"}},{"id":1379154,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":86443,"kind":"person","name":"Delanois Gary","position":1,"cik":"0001601107","reported_name":"Delanois Gary","relationship":{"officer":true,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock, No Par Value","published_at":"2024-11-01T00:41:07.000Z","date":"2024-10-14","kind":"grant","planned":false,"acquired":true,"shares":120000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares represent Restricted Stock Units and  will vest in equal annual installments over a five-year period beginning on October 14, 2025"}],"balance_after":120000,"source":{"system":"sec-edgar","filing":"0001437749-24-032861","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774924032861/rdgdoc.xml","form_type":"4"}},{"id":1561412,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Executive Chairman"}}],"security":"Common Stock, No Par Value","published_at":"2024-03-26T22:58:39.000Z","date":"2024-03-22","kind":"grant","planned":false,"acquired":true,"shares":120000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of 120,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. The units will vest in equal quarterly installments on April 1, 2024, July 1, 2024, October 1, 2024 and January 1, 2025."}],"balance_after":554678,"source":{"system":"sec-edgar","filing":"0001437749-24-009466","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774924009466/rdgdoc.xml","form_type":"4"}},{"id":1915988,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":114301,"kind":"person","name":"HIATT ROBERT L","position":1,"cik":"0001205529","reported_name":"HIATT ROBERT L","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Stock Options (Right to Buy)","published_at":"2023-04-22T00:14:26.000Z","date":"2023-04-17","kind":"grant","planned":false,"acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 5 equal annual installments beginning on April 17, 2024."}],"balance_after":20000,"derivative":{"exercise_price":2.78,"expiration_date":"2028-04-17","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001437749-23-010849","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774923010849/rdgdoc.xml","form_type":"4"}},{"id":1935322,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":114992,"kind":"person","name":"Gaccione Peter M","position":1,"cik":"0001945393","reported_name":"Gaccione Peter M","relationship":{"officer":true,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-03-30T20:54:11.000Z","date":"2023-03-28","kind":"grant","planned":false,"acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 5 equal annual installments beginning on March 28, 2024."}],"balance_after":50000,"derivative":{"exercise_price":2.93,"expiration_date":"2030-03-28","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001437749-23-008651","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774923008651/rdgdoc.xml","form_type":"4"}},{"id":1935320,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Executive Chairman"}}],"security":"Common Stock, No Par Value","published_at":"2023-03-30T20:52:54.000Z","date":"2023-03-28","kind":"grant","planned":false,"acquired":true,"shares":120000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of 120,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. The units will vest in equal quarterly installments on April 1, 2023, July 1, 2023, October 1, 2023 and January 1, 2024."}],"balance_after":536178,"source":{"system":"sec-edgar","filing":"0001437749-23-008649","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774923008649/rdgdoc.xml","form_type":"4"}},{"id":1962119,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":80270,"kind":"person","name":"Tagawa Craig Kenji","position":1,"cik":"0001609957","reported_name":"Tagawa Craig Kenji","relationship":{"officer":true,"officer_title":"President, CFO"}}],"security":"Common Stock","published_at":"2023-03-09T22:10:03.000Z","date":"2023-03-07","kind":"grant","acquired":true,"shares":10827,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These Restricted Stock Units vest after six months from issuance."}],"balance_after":29888,"source":{"system":"sec-edgar","filing":"0001437749-23-006004","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774923006004/rdgdoc.xml","form_type":"4"}},{"id":2163748,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":114992,"kind":"person","name":"Gaccione Peter M","position":1,"cik":"0001945393","reported_name":"Gaccione Peter M","relationship":{"officer":true,"officer_title":"Chief Operating Officer"}}],"security":"Stock Options (Right to Buy)","published_at":"2022-09-08T15:41:52.000Z","date":"2022-09-07","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest in 5 equal annual installments beginning on September 7, 2023."}],"balance_after":50000,"derivative":{"exercise_price":2.7158,"expiration_date":"2029-09-07","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001437749-22-022037","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774922022037/rdgdoc.xml","form_type":"4"}},{"id":2248674,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Stock Options (right to buy)","published_at":"2022-06-02T18:31:54.000Z","date":"2022-05-31","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.7,"exercise_date":"2016-06-15","expiration_date":"2022-06-15","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001437749-22-014095","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774922014095/rdgdoc.xml","form_type":"4"}},{"id":2248673,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Common Stock, No Par Value","published_at":"2022-06-02T18:31:54.000Z","date":"2022-05-31","kind":"exercise","acquired":true,"shares":2000,"price":2.7,"value":5400.0,"ownership":{"direct":true},"balance_after":416178,"source":{"system":"sec-edgar","filing":"0001437749-22-014095","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774922014095/rdgdoc.xml","form_type":"4"}},{"id":2306544,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":128261,"kind":"person","name":"Bates Ernest Robert","position":1,"cik":"0001610584","reported_name":"Bates Ernest Robert","relationship":{"officer":true,"officer_title":"Sr.VP Sales and Business Devel"}}],"security":"Common Stock, No Par Value","published_at":"2022-04-05T22:20:07.000Z","date":"2022-04-01","kind":"grant","acquired":true,"shares":801,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These Restricted Stock Units vest after six months from issuance."}],"balance_after":26544,"source":{"system":"sec-edgar","filing":"0001437749-22-008342","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774922008342/rdgdoc.xml","form_type":"4"}},{"id":2306540,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":80270,"kind":"person","name":"Tagawa Craig Kenji","position":1,"cik":"0001609957","reported_name":"Tagawa Craig Kenji","relationship":{"officer":true,"officer_title":"President/COO/CFO"}}],"security":"Common Stock","published_at":"2022-04-05T22:19:42.000Z","date":"2022-04-01","kind":"grant","acquired":true,"shares":5529,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These Restricted Stock Units vest after six months from issuance."}],"balance_after":19061,"source":{"system":"sec-edgar","filing":"0001437749-22-008341","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774922008341/rdgdoc.xml","form_type":"4"}},{"id":2455620,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Common Stock, No Par Value","published_at":"2022-01-03T21:53:42.000Z","date":"2022-01-03","kind":"grant","acquired":true,"shares":120000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of 120,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. The units will vest in Equal Quarterly installments on March 31, 2022, June 30, 2022, September 30, 2022 and December 31, 2022."}],"balance_after":414178,"source":{"system":"sec-edgar","filing":"0001437749-22-000190","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774922000190/rdgdoc.xml","form_type":"4"}},{"id":2456619,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":131943,"kind":"person","name":"Wilson Vicki L","position":1,"cik":"0001902226","reported_name":"Wilson Vicki L","relationship":{"director":true}}],"security":"Common Stock, no par value","published_at":"2021-12-30T21:41:41.000Z","date":"2021-12-28","kind":"grant","acquired":true,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting. The units will vest in a series of four (4) successive equal annual installments upon the individual's completion of each year of service as a non-employee Board member over the four (4) year period made from the date that award is made."}],"balance_after":3000,"source":{"system":"sec-edgar","filing":"0001437749-21-029511","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921029511/rdgdoc.xml","form_type":"4"}},{"id":2456616,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":131942,"kind":"person","name":"Miles Kathleen","position":1,"cik":"0001902231","reported_name":"Miles Kathleen","relationship":{"director":true}}],"security":"Common Stock, no par value","published_at":"2021-12-30T21:40:35.000Z","date":"2021-12-28","kind":"grant","acquired":true,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting. The units will vest in a series of four (4) successive equal annual installments upon the individual's completion of each year of service as a non-employee Board member over the four (4) year period made from the date that award is made."}],"balance_after":3000,"source":{"system":"sec-edgar","filing":"0001437749-21-029510","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921029510/rdgdoc.xml","form_type":"4"}},{"id":2646683,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"CEO"}}],"security":"Common Stock, No Par Value","published_at":"2021-07-02T14:51:36.000Z","date":"2021-07-01","kind":"grant","acquired":true,"shares":60000,"price":2.94,"value":176400.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of 60,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. The units will vest in full on December 31, 2021."}],"balance_after":294178,"source":{"system":"sec-edgar","filing":"0001437749-21-016302","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921016302/rdgdoc.xml","form_type":"4"}},{"id":2652864,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock, No Par Value","published_at":"2021-06-29T21:21:25.000Z","date":"2021-06-25","kind":"grant","acquired":true,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"THIS REPRESENTS AN AWARD OF RESTRICTED STOCK UNITS. EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF THE ISSUER'S COMMON STOCK UPON VESTING. THE UNITS WILL VEST IN FULL UPON THE EARLIER OF (I) THE REPORTING PERSON'S COMPLETION OF ONE YEAR OF SERVICE MEASURED FROM JUNE 25, 2021, OR SUCH INDIVIDUAL'S CONTINUATION IN BOARD SERVICE THROUGH THE DAY IMMEDIATELY PRECEDING THE 2022 ANNUAL SHAREHOLDERS MEETING (THE \"VESTING DATE\")."}],"balance_after":89816,"source":{"system":"sec-edgar","filing":"0001437749-21-015957","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015957/rdgdoc.xml","form_type":"4"}},{"id":2652863,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137821,"kind":"person","name":"Kelly Daniel G Jr","position":1,"cik":"0001674807","reported_name":"Kelly Daniel G Jr","relationship":{"director":true}}],"security":"Common Stock, No Par Value","published_at":"2021-06-29T21:21:14.000Z","date":"2021-06-25","kind":"grant","acquired":true,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units. Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting. The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 25, 2021, or (II) such individual's continuation in Board service through the day immediately preceding the 2022 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":49664,"source":{"system":"sec-edgar","filing":"0001437749-21-015956","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015956/rdgdoc.xml","form_type":"4"}},{"id":2652862,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Stock Options (right to buy)","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.43,"value":4860.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.43,"exercise_date":"2015-06-09","expiration_date":"2021-06-09","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652861,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Stock Options (right to buy)","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":7500,"price":2.82,"value":21150.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.82,"exercise_date":"2019-12-28","expiration_date":"2021-06-29","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652860,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Stock Options (right to buy)","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.7,"value":5400.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.7,"exercise_date":"2016-06-16","expiration_date":"2022-06-15","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652859,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Stock Options (right to buy)","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.25,"value":4500.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.25,"exercise_date":"2017-06-20","expiration_date":"2023-06-20","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652858,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Stock Options (right to buy)","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.68,"value":5360.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.68,"exercise_date":"2019-06-13","expiration_date":"2025-06-13","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652857,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Stock Options (right to buy)","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":3.03,"exercise_date":"2020-06-20","expiration_date":"2026-06-20","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652856,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1535,"price":3.03,"value":4651.05,"ownership":{"direct":true},"balance_after":88816,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652855,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"balance_after":90369,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652854,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":6757,"price":3.03,"value":20473.71,"ownership":{"direct":true},"balance_after":88369,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652853,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":7500,"price":3.03,"value":22725.0,"ownership":{"direct":true},"balance_after":95126,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652852,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1725,"price":3.03,"value":5226.75,"ownership":{"direct":true},"balance_after":87626,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652851,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"balance_after":89351,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652850,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1438,"price":3.03,"value":4357.14,"ownership":{"direct":true},"balance_after":87351,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652849,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"balance_after":88789,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652848,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1712,"price":3.03,"value":5187.36,"ownership":{"direct":true},"balance_after":86789,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652847,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"balance_after":88501,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652846,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1936,"price":3.03,"value":5866.08,"ownership":{"direct":true},"balance_after":86501,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652845,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true}}],"security":"Common Stock","published_at":"2021-06-29T21:20:46.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 7, 2021, a Form 4 was filed which inadvertently included a duplicate entry showing the exercise of an option on June 4, 2021 for 7,500 shares of the Issuer's common stock at an exercise price of $2.82. This amendment is being filed to remove the duplicate entry."}],"balance_after":88437,"source":{"system":"sec-edgar","filing":"0001437749-21-015954","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015954/rdgdoc.xml","form_type":"4/A","original_submission_date":"2021-06-07"}},{"id":2652844,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":30512,"kind":"person","name":"Lawrence Sandra AJ","position":1,"cik":"0001306386","reported_name":"Lawrence Sandra AJ","relationship":{"director":true}}],"security":"Common Stock, No Par Value","published_at":"2021-06-29T19:08:47.000Z","date":"2021-06-25","kind":"grant","acquired":true,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"THIS REPRESENTS AN AWARD OF RESTRICTED STOCK UNITS. EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF THE ISSUER'S COMMON STOCK UPON VESTING. THE UNITS WILL VEST IN FULL UPON THE EARLIER OF (I) THE REPORTING PERSON'S COMPLETION OF ONE YEAR OF SERVICE MEASURED FROM JUNE 25, 2021, OR SUCH INDIVIDUAL'S CONTINUATION IN BOARD SERVICE THROUGH THE DAY IMMEDIATELY PRECEDING THE 2022 ANNUAL SHAREHOLDERS MEETING (THE \"VESTING DATE\")."}],"balance_after":38373,"source":{"system":"sec-edgar","filing":"0001437749-21-015921","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015921/rdgdoc.xml","form_type":"4"}},{"id":2652843,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true}}],"security":"Common Stock, No Par Value","published_at":"2021-06-29T19:08:04.000Z","date":"2021-06-25","kind":"grant","acquired":true,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"THIS REPRESENTS AN AWARD OF RESTRICTED STOCK UNITS. EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF THE ISSUER'S COMMON STOCK UPON VESTING. THE UNITS WILL VEST IN FULL UPON THE EARLIER OF (I) THE REPORTING PERSON'S COMPLETION OF ONE YEAR OF SERVICE MEASURED FROM JUNE 25, 2021, OR SUCH INDIVIDUAL'S CONTINUATION IN BOARD SERVICE THROUGH THE DAY IMMEDIATELY PRECEDING THE 2022 ANNUAL SHAREHOLDERS MEETING (THE \"VESTING DATE\")."}],"balance_after":64052,"source":{"system":"sec-edgar","filing":"0001437749-21-015920","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000143774921015920/rdgdoc.xml","form_type":"4"}},{"id":2678528,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"STOCK OPTION (RIGHT TO BUY)","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.43,"value":4860.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.43,"exercise_date":"2015-06-09","expiration_date":"2021-06-09","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678527,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to purchase)","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":7500,"price":2.82,"value":21150.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.82,"exercise_date":"2019-12-28","expiration_date":"2021-12-29","underlying":"Common stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678526,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.7,"value":5400.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.7,"exercise_date":"2016-06-16","expiration_date":"2022-06-15","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678525,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.25,"value":4500.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.25,"exercise_date":"2017-06-20","expiration_date":"2023-06-20","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678524,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":2.68,"value":5360.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.68,"exercise_date":"2019-06-13","expiration_date":"2025-06-13","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678523,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":false,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":3.03,"exercise_date":"2020-06-20","expiration_date":"2026-06-20","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678522,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":7500,"price":2.82,"value":21150.0,"ownership":{"direct":true},"balance_after":93108,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678521,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1553,"price":3.13,"value":4860.89,"ownership":{"direct":true},"balance_after":88816,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678520,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":2.43,"value":4860.0,"ownership":{"direct":true},"balance_after":90369,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678519,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":6757,"price":3.13,"value":21149.41,"ownership":{"direct":true},"balance_after":88369,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678518,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":7500,"price":2.82,"value":21150.0,"ownership":{"direct":true},"balance_after":95126,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678517,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1725,"price":3.13,"value":5399.25,"ownership":{"direct":true},"balance_after":87626,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678516,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":2.7,"value":5400.0,"ownership":{"direct":true},"balance_after":89351,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678515,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1438,"price":3.13,"value":4500.94,"ownership":{"direct":true},"balance_after":87351,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678514,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":2.25,"value":4500.0,"ownership":{"direct":true},"balance_after":88789,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678513,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1712,"price":3.13,"value":5358.56,"ownership":{"direct":true},"balance_after":86789,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678512,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":2.68,"value":5360.0,"ownership":{"direct":true},"balance_after":88501,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678511,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"tax_withholding","acquired":false,"shares":1936,"price":3.13,"value":6059.68,"ownership":{"direct":true},"balance_after":86501,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2678510,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-08T18:28:40.000Z","date":"2021-06-04","kind":"exercise","acquired":true,"shares":2000,"price":3.03,"value":6060.0,"ownership":{"direct":true},"balance_after":88437,"source":{"system":"sec-edgar","filing":"0000744825-21-000062","document":"wf-form4_162317690590696.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000062/wf-form4_162317690590696.xml","form_type":"4"}},{"id":2680192,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"STOCK OPTION (RIGHT TO BUY)","published_at":"2021-06-07T20:49:22.000Z","date":"2021-06-03","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.43,"exercise_date":"2014-06-09","expiration_date":"2021-06-09","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-21-000060","document":"wf-form4_162309893273356.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000060/wf-form4_162309893273356.xml","form_type":"4"}},{"id":2680191,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-07T20:49:22.000Z","date":"2021-06-03","kind":"tax_withholding","acquired":false,"shares":1578,"price":3.08,"value":4860.24,"ownership":{"direct":true},"balance_after":63052,"source":{"system":"sec-edgar","filing":"0000744825-21-000060","document":"wf-form4_162309893273356.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000060/wf-form4_162309893273356.xml","form_type":"4"}},{"id":2680190,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2021-06-07T20:49:22.000Z","date":"2021-06-03","kind":"exercise","acquired":true,"shares":2000,"price":2.43,"value":4860.0,"ownership":{"direct":true},"balance_after":64630,"source":{"system":"sec-edgar","filing":"0000744825-21-000060","document":"wf-form4_162309893273356.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000060/wf-form4_162309893273356.xml","form_type":"4"}},{"id":2680189,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO"}}],"security":"OPTION TO ACQUIRE","published_at":"2021-06-07T20:48:12.000Z","date":"2021-06-03","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2.43,"exercise_date":"2015-06-09","expiration_date":"2021-06-09","underlying":"Common Stock No Par Value","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-21-000059","document":"wf-form4_162309887218758.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000059/wf-form4_162309887218758.xml","form_type":"4"}},{"id":2680188,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO"}}],"security":"Common Stock No Par Value","published_at":"2021-06-07T20:48:12.000Z","date":"2021-06-03","kind":"exercise","acquired":true,"shares":2000,"price":2.43,"value":4860.0,"ownership":{"direct":true},"balance_after":234178,"source":{"system":"sec-edgar","filing":"0000744825-21-000059","document":"wf-form4_162309887218758.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000059/wf-form4_162309887218758.xml","form_type":"4"}},{"id":2680187,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO"}}],"security":"Common stock","published_at":"2021-06-07T20:48:12.000Z","date":"2020-05-04","kind":"disposition_to_issuer","acquired":false,"shares":5883,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Stachowiak forfeited 5,883 Restricted STock Units in connections with his appointment as the Issuer's Interim President and Chief Executive Officer Effective May 4, 2020."}],"balance_after":232178,"source":{"system":"sec-edgar","filing":"0000744825-21-000059","document":"wf-form4_162309887218758.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000059/wf-form4_162309887218758.xml","form_type":"4"}},{"id":2883870,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, No Par Value","published_at":"2021-02-03T16:52:14.000Z","date":"2021-02-01","kind":"grant","acquired":true,"shares":60000,"price":2.55,"value":153000.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This represents an award of Restricted Stock Units.  Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting.  The units will vest in full on June 30, 2021."}],"balance_after":238061,"source":{"system":"sec-edgar","filing":"0000744825-21-000016","document":"wf-form4_161237112138863.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000016/wf-form4_161237112138863.xml","form_type":"4"}},{"id":2917985,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":30512,"kind":"person","name":"Lawrence Sandra AJ","position":1,"cik":"0001306386","reported_name":"Lawrence Sandra AJ","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2021-01-06T18:14:13.000Z","date":"2021-01-04","kind":"grant","acquired":true,"shares":11521,"price":2.17,"value":25000.57,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These Restricted Stock Units vest over a series of four (4) successive quarters from issuance but settlement has been deferred until after termination of the reporting person's service."}],"balance_after":37373,"source":{"system":"sec-edgar","filing":"0000744825-21-000006","document":"wf-form4_160995683793438.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000006/wf-form4_160995683793438.xml","form_type":"4"}},{"id":2917982,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137821,"kind":"person","name":"Kelly Daniel G Jr","position":1,"cik":"0001674807","reported_name":"Kelly Daniel G Jr","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2021-01-06T18:13:55.000Z","date":"2021-01-04","kind":"grant","acquired":true,"shares":11521,"price":2.17,"value":25000.57,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These Restricted Stock Units vest over a series of four (4) successive quarters from issuance but settlement has been deferred until after termination of the reporting person's service."}],"balance_after":48664,"source":{"system":"sec-edgar","filing":"0000744825-21-000005","document":"wf-form4_160995682081346.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000005/wf-form4_160995682081346.xml","form_type":"4"}},{"id":2917983,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2021-01-06T18:11:06.000Z","date":"2021-01-04","kind":"grant","acquired":true,"shares":11521,"price":2.17,"value":25000.57,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These Restricted Stock Units vest over a series of four (4) successive quarters from issuance but settlement has been deferred until after termination of the reporting person's service."}],"balance_after":86437,"source":{"system":"sec-edgar","filing":"0000744825-21-000002","document":"wf-form4_160995665365160.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482521000002/wf-form4_160995665365160.xml","form_type":"4"}},{"id":2955929,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, No Par Value","published_at":"2020-12-07T13:45:42.000Z","date":"2020-12-04","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This represents an award of 10,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. The units will vest in full on January 3, 2021."}],"balance_after":178061,"source":{"system":"sec-edgar","filing":"0000744825-20-000119","document":"wf-form4_160734873075503.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000119/wf-form4_160734873075503.xml","form_type":"4"}},{"id":2991919,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CEO"}}],"security":"Common Stock, No Par Value","published_at":"2020-11-05T17:50:03.000Z","date":"2020-11-04","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This represents an award of 10,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. The units will vest in full on December 3, 2020."}],"balance_after":168061,"source":{"system":"sec-edgar","filing":"0000744825-20-000111","document":"wf-form4_160459858851197.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000111/wf-form4_160459858851197.xml","form_type":"4"}},{"id":3008973,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Interim President and CEO"}}],"security":"Common Stock, No Par Value","published_at":"2020-10-13T14:17:49.000Z","date":"2020-10-04","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This represents an award of 10,000 Restricted Stock Units.  Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting.  The units will vest in full upon the earlier of (i) November 3, 2020 or (ii) the appointment of the reporting person's successor as Chief Executive Officer."}],"balance_after":158061,"source":{"system":"sec-edgar","filing":"0000744825-20-000109","document":"wf-form4_160259865578369.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000109/wf-form4_160259865578369.xml","form_type":"4"}},{"id":3036045,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Interim President & CEO"}}],"security":"Common Stock, No Par Value","published_at":"2020-09-09T18:12:33.000Z","date":"2020-09-04","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"1. This represents an award of 10,000 Restricted Stock Units. Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting. The units will vest in full upon the earlier of (i) October 3, 2020 or (ii) the appointment of the reporting person's successor as President and Chief Executive Officer."}],"balance_after":148061,"source":{"system":"sec-edgar","filing":"0000744825-20-000095","document":"wf-form4_159967513852985.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000095/wf-form4_159967513852985.xml","form_type":"4"}},{"id":3066565,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Interim President & CEO"}}],"security":"Common Stock, No Par Value","published_at":"2020-08-06T15:50:26.000Z","date":"2020-08-04","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This represents an award of 10,000 Restricted Stock Units.  Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting.  The units will vest in full upon the earlier of (i) September 3, 2020 or (ii) the appointment of the reporting person's successor as President and Chief Executive Officer."}],"balance_after":138061,"source":{"system":"sec-edgar","filing":"0000744825-20-000080","document":"wf-form4_159672900583595.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000080/wf-form4_159672900583595.xml","form_type":"4"}},{"id":3087933,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":128261,"kind":"person","name":"Bates Ernest Robert","position":1,"cik":"0001610584","reported_name":"Bates Ernest Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President"}}],"security":"Common Stock, No Par Value","published_at":"2020-07-07T19:52:19.000Z","date":"2020-07-02","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of Restricted Stock Units.  Each unit entitles the reporting person to one share of the issuer's Common Stock upon vesting.  The units vested in full on the transaction date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 10,000 shares subject to the reported restricted stock unit award which vested in full on the transaction date."}],"balance_after":26829,"source":{"system":"sec-edgar","filing":"0000744825-20-000078","document":"wf-form4_159415152382936.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000078/wf-form4_159415152382936.xml","form_type":"4"}},{"id":3097226,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"COMMON SHARE","published_at":"2020-06-30T18:28:04.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":2000,"price":1.88,"value":3760.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":1.88,"exercise_date":"2021-06-25","expiration_date":"2027-06-25","underlying":"COMMON SHARE","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-20-000074","document":"wf-form4_159354166698086.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000074/wf-form4_159354166698086.xml","form_type":"4"}},{"id":3097225,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2020-06-30T18:28:04.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units. Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting. The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":62630,"source":{"system":"sec-edgar","filing":"0000744825-20-000074","document":"wf-form4_159354166698086.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000074/wf-form4_159354166698086.xml","form_type":"4"}},{"id":3097224,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137821,"kind":"person","name":"Kelly Daniel G Jr","position":1,"cik":"0001674807","reported_name":"Kelly Daniel G Jr","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"COMMON SHARE","published_at":"2020-06-30T18:14:41.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":2000,"price":1.88,"value":3760.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":1.88,"exercise_date":"2021-06-25","expiration_date":"2027-06-25","underlying":"COMMON SHARE","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-20-000072","document":"wf-form4_159354086612232.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000072/wf-form4_159354086612232.xml","form_type":"4"}},{"id":3097223,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137821,"kind":"person","name":"Kelly Daniel G Jr","position":1,"cik":"0001674807","reported_name":"Kelly Daniel G Jr","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2020-06-30T18:14:41.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units. Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting. The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":37143,"source":{"system":"sec-edgar","filing":"0000744825-20-000072","document":"wf-form4_159354086612232.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000072/wf-form4_159354086612232.xml","form_type":"4"}},{"id":3097222,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"COMMON SHARE","published_at":"2020-06-30T18:06:10.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":2000,"price":1.88,"value":3760.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":1.88,"exercise_date":"2021-06-25","expiration_date":"2027-06-25","underlying":"COMMON SHARE","underlying_shares":0},"source":{"system":"sec-edgar","filing":"0000744825-20-000070","document":"wf-form4_159354035417023.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000070/wf-form4_159354035417023.xml","form_type":"4"}},{"id":3097221,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2020-06-30T18:06:10.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":500,"price":1.88,"value":940.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units.  Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting.  The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":74916,"source":{"system":"sec-edgar","filing":"0000744825-20-000070","document":"wf-form4_159354035417023.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000070/wf-form4_159354035417023.xml","form_type":"4"}},{"id":3097220,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":30512,"kind":"person","name":"Lawrence Sandra AJ","position":1,"cik":"0001306386","reported_name":"Lawrence Sandra AJ","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"COMMON SHARE","published_at":"2020-06-30T18:03:30.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":2000,"price":1.88,"value":3760.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":4000,"derivative":{"exercise_price":1.88,"exercise_date":"2021-06-25","expiration_date":"2027-06-25","underlying":"COMMON SHARE","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000744825-20-000068","document":"wf-form4_159354018849392.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000068/wf-form4_159354018849392.xml","form_type":"4"}},{"id":3097219,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":30512,"kind":"person","name":"Lawrence Sandra AJ","position":1,"cik":"0001306386","reported_name":"Lawrence Sandra AJ","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2020-06-30T18:03:30.000Z","date":"2020-06-26","kind":"grant","acquired":true,"shares":500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units.  Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting.  The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 26, 2020, or (II) such individual's continuation in Board service through the day immediately preceding the 2021 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":25852,"source":{"system":"sec-edgar","filing":"0000744825-20-000068","document":"wf-form4_159354018849392.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000068/wf-form4_159354018849392.xml","form_type":"4"}},{"id":3160316,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Interim President & CEO"}}],"security":"Common Stock, No Par Value","published_at":"2020-05-06T15:50:25.000Z","date":"2020-05-04","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This represents an award of 50,000 Restricted Stock Units.  Each unit will entitle the reporting person to one share of the issuer's Common Stock upon vesting.  The units will vest in full upon the earlier of (i) August 3, 2020 or (ii) the appointment of the reporting person's successor as President and Chief Executive Officer."}],"balance_after":128061,"source":{"system":"sec-edgar","filing":"0000744825-20-000031","document":"wf-form4_158878020829354.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000074482520000031/wf-form4_158878020829354.xml","form_type":"4"}},{"id":3214709,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137821,"kind":"person","name":"Kelly Daniel G Jr","position":1,"cik":"0001674807","reported_name":"Kelly Daniel G Jr","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"COMMON SHARE","published_at":"2020-03-12T21:23:56.000Z","date":"2020-01-02","kind":"grant","acquired":true,"shares":7844,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":36643,"source":{"system":"sec-edgar","filing":"0001628280-20-003490","document":"wf-form4_158404821870467.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000162828020003490/wf-form4_158404821870467.xml","form_type":"4"}},{"id":3214708,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"COMMON SHARE","published_at":"2020-03-12T21:14:15.000Z","date":"2020-01-02","kind":"grant","acquired":true,"shares":7844,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":74416,"source":{"system":"sec-edgar","filing":"0001628280-20-003488","document":"wf-form4_158404763823799.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000162828020003488/wf-form4_158404763823799.xml","form_type":"4"}},{"id":3214707,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"COMMON SHARE","published_at":"2020-03-12T21:11:33.000Z","date":"2020-01-02","kind":"grant","acquired":true,"shares":7844,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":77561,"source":{"system":"sec-edgar","filing":"0001628280-20-003487","document":"wf-form4_158404747561670.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000162828020003487/wf-form4_158404747561670.xml","form_type":"4"}},{"id":3214705,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":30512,"kind":"person","name":"Lawrence Sandra AJ","position":1,"cik":"0001306386","reported_name":"Lawrence Sandra AJ","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"COMMON SHARE","published_at":"2020-03-12T21:09:59.000Z","date":"2020-01-02","kind":"grant","acquired":true,"shares":7844,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":25352,"source":{"system":"sec-edgar","filing":"0001628280-20-003486","document":"wf-form4_158404716994218.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000162828020003486/wf-form4_158404716994218.xml","form_type":"4"}},{"id":3450224,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137821,"kind":"person","name":"Kelly Daniel G Jr","position":1,"cik":"0001674807","reported_name":"Kelly Daniel G Jr","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2019-08-02T23:48:19.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":3.03,"exercise_date":"2020-06-20","expiration_date":"2026-06-20","underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0000950103-19-010411","document":"dp110039_4-kelly.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000095010319010411/dp110039_4-kelly.xml","form_type":"4"}},{"id":3450223,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137821,"kind":"person","name":"Kelly Daniel G Jr","position":1,"cik":"0001674807","reported_name":"Kelly Daniel G Jr","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2019-08-02T23:48:19.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units. Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting. The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":28799,"source":{"system":"sec-edgar","filing":"0000950103-19-010411","document":"dp110039_4-kelly.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000095010319010411/dp110039_4-kelly.xml","form_type":"4"}},{"id":3450219,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2019-08-02T23:02:17.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":3.03,"exercise_date":"2020-06-20","expiration_date":"2026-06-20","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001609580-19-000004","document":"wf-form4_156478691118258.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/744825/000160958019000004/wf-form4_156478691118258.xml","form_type":"4"}},{"id":3450218,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":28875,"kind":"person","name":"Stachowiak Raymond C","position":1,"cik":"0001609580","reported_name":"Stachowiak Raymond C","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2019-08-02T23:02:17.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units.  Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting.  The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":69717,"source":{"system":"sec-edgar","filing":"0001609580-19-000004","document":"wf-form4_156478691118258.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000160958019000004/wf-form4_156478691118258.xml","form_type":"4"}},{"id":3450217,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":30512,"kind":"person","name":"Lawrence Sandra AJ","position":1,"cik":"0001306386","reported_name":"Lawrence Sandra AJ","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2019-08-02T23:00:38.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":3.03,"exercise_date":"2020-06-20","expiration_date":"2026-06-20","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001306386-19-000003","document":"wf-form4_156478682264523.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000130638619000003/wf-form4_156478682264523.xml","form_type":"4"}},{"id":3450216,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":30512,"kind":"person","name":"Lawrence Sandra AJ","position":1,"cik":"0001306386","reported_name":"Lawrence Sandra AJ","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2019-08-02T23:00:38.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units.  Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting.  The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":17508,"source":{"system":"sec-edgar","filing":"0001306386-19-000003","document":"wf-form4_156478682264523.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000130638619000003/wf-form4_156478682264523.xml","form_type":"4"}},{"id":3450215,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2019-08-02T22:59:30.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":3.03,"exercise_date":"2020-06-20","expiration_date":"2026-06-20","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001610610-19-000004","document":"wf-form4_156478675476668.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000161061019000004/wf-form4_156478675476668.xml","form_type":"4"}},{"id":3450214,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137819,"kind":"person","name":"Ozyurek Saim Mert","position":1,"cik":"0001610610","reported_name":"Ozyurek Saim Mert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, No Par Value","published_at":"2019-08-02T22:59:30.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This represents an award of restricted stock units.  Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting.  The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 500 shares subject to the reported restricted stock unit award which will vest in full on the Vesting Date."}],"balance_after":62130,"source":{"system":"sec-edgar","filing":"0001610610-19-000004","document":"wf-form4_156478675476668.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/744825/000161061019000004/wf-form4_156478675476668.xml","form_type":"4"}},{"id":3450213,"issuer":{"id":8010,"kind":"organization","name":"AMERICAN SHARED HOSPITAL SERVICES"},"owners":[{"id":137820,"kind":"person","name":"Larson David","position":1,"cik":"0001610616","reported_name":"Larson David","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (right to buy)","published_at":"2019-08-02T22:54:38.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 21, 2019, or (II) such individual's continuation in Board service through the day immediately preceding the 2020 Annual Shareholders Meeting (the \"Vesting Date\")."}],"balance_after":2000,"derivative":{"exercise_price":3.03,"exercise_date":"2020-06-20","expiration_date":"2026-06-20","underlying":"Common stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001610616-19-000004","document":"wf-form4_156478646209582.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/744825/000161061619000004/wf-form4_156478646209582.xml","form_type":"4"}}],"next_cursor":"2019-08-02T22:54:38.000000Z,3450213"}