{"transactions":[{"id":1283237,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2025-02-05T20:27:42.000Z","date":"2024-04-30","kind":"other","planned":false,"acquired":false,"shares":169317,"price":45.45,"value":7695457.65,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2024 issued by the Plan Administrator."},{"field":"shares","element":"transactionShares","label":"F3","text":"Employee/officer retired during the year and shares were distributed."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust. The undersigned disclaims any beneficial interest in these shares."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000040417-25-000019","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041725000019/primary_doc.xml","form_type":"5"}},{"id":1283236,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2025-02-05T20:27:42.000Z","date":"2024-04-30","kind":"other","planned":false,"acquired":true,"shares":744,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2024 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2024 issued by the Plan Administrator."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust. The undersigned disclaims any beneficial interest in these shares."}],"balance_after":169317,"source":{"system":"sec-edgar","filing":"0000040417-25-000019","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041725000019/primary_doc.xml","form_type":"5"}},{"id":1669070,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice-President"}}],"security":"Common Stock","published_at":"2024-01-29T17:26:28.000Z","date":"2023-12-31","kind":"other","planned":false,"acquired":true,"shares":11635,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan.\nThe information is based upon a statement as of 12/31/2023 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan.\nThe information is based upon a statement as of 12/31/2023 issued by the Plan Administrator."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":168573,"source":{"system":"sec-edgar","filing":"0000040417-24-000018","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041724000018/primary_doc.xml","form_type":"5"}},{"id":2027738,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2023-02-08T17:27:11.000Z","date":"2022-12-31","kind":"other","acquired":true,"shares":7954,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2022 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2022 issued by the Plan Administrator."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":156938,"source":{"system":"sec-edgar","filing":"0000040417-23-000017","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041723000017/primary_doc.xml","form_type":"5"}},{"id":2431659,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2022-01-21T00:05:48.000Z","date":"2021-12-31","kind":"other","acquired":true,"shares":12136,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan.\nThe information is based upon a statement as of 12/31/2021 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan.\nThe information is based upon a statement as of 12/31/2021 issued by the Plan Administrator."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":148984,"source":{"system":"sec-edgar","filing":"0000040417-22-000014","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041722000014/primary_doc.xml","form_type":"5"}},{"id":2873840,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2021-02-09T23:53:21.000Z","date":"2020-12-31","kind":"other","acquired":false,"shares":18163,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares converted to a Money Market."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"At the prevailing market price pursuant to the Issuer's Employees' Thrift Plan.\nThe information is based upon a statement as of 12/31/2020 issued by the Plan Administrator."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":136848,"source":{"system":"sec-edgar","filing":"0000040417-21-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041721000021/primary_doc.xml","form_type":"5"}},{"id":2873839,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2021-02-09T23:53:21.000Z","date":"2020-12-31","kind":"other","acquired":true,"shares":11885,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2020 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2020 issued by the Plan Administrator."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":155011,"source":{"system":"sec-edgar","filing":"0000040417-21-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041721000021/primary_doc.xml","form_type":"5"}},{"id":3285915,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2020-02-07T20:35:52.000Z","date":"2019-12-31","kind":"other","acquired":true,"shares":8059,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2019 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2019 issued by the Plan Administrator."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":143126,"source":{"system":"sec-edgar","filing":"0000040417-20-000022","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041720000022/primary_doc.xml","form_type":"5/A","original_submission_date":"2020-01-28"}},{"id":3301018,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2020-01-28T15:12:40.000Z","date":"2019-12-31","kind":"other","acquired":true,"shares":8059,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2019 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2019 issued by the Plan Administrator."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":143126,"source":{"system":"sec-edgar","filing":"0000040417-20-000008","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041720000008/primary_doc.xml","form_type":"5"}},{"id":3667393,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2019-02-11T20:04:06.000Z","date":"2018-12-31","kind":"other","acquired":true,"shares":13456,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2018 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2018 issued by the Plan Administrator."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":135067,"source":{"system":"sec-edgar","filing":"0000040417-19-000023","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041719000023/primary_doc.xml","form_type":"5"}},{"id":4083100,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2018-02-01T23:52:48.000Z","date":"2017-12-29","kind":"other","acquired":false,"shares":35002,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares converted to a Money Market."},{"field":"shares","element":"transactionShares","label":"F3","text":"Shares converted to a Money Market."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"At the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2017 issued by the Plan Administrator."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":121611,"source":{"system":"sec-edgar","filing":"0000040417-18-000019","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041718000019/primary_doc.xml","form_type":"5"}},{"id":4083099,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2018-02-01T23:52:48.000Z","date":"2017-12-29","kind":"other","acquired":true,"shares":15887,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2017 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2017 issued by the Plan Administrator."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":156613,"source":{"system":"sec-edgar","filing":"0000040417-18-000019","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041718000019/primary_doc.xml","form_type":"5"}},{"id":4460989,"issuer":{"id":4658,"kind":"organization","name":"GENERAL AMERICAN INVESTORS CO INC","symbol":"GAM"},"owners":[{"id":83579,"kind":"person","name":"VINDIGNI ANDREW V","position":1,"cik":"0001215923","reported_name":"VINDIGNI ANDREW V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice-President"}}],"security":"Common Stock","published_at":"2017-02-09T22:50:14.000Z","date":"2016-12-30","kind":"other","acquired":true,"shares":14950,"ownership":{"direct":false,"nature":"By Thrift Plan Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2016 issued by the Plan Administrator."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported herein were acquired on a periodic basis in open market transactions at the prevailing market price pursuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/2016 issued by the Plan Administrator."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"By Issuer's Employees' Thrift Plan Trust.  The undersigned disclaims any beneficial interest in these shares."}],"balance_after":140726,"source":{"system":"sec-edgar","filing":"0000040417-17-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40417/000004041717000021/primary_doc.xml","form_type":"5"}}]}