{"transactions":[{"id":801986,"issuer":{"id":4631,"kind":"organization","name":"Bank First Corp","symbol":"BFC"},"owners":[{"id":51514,"kind":"person","name":"Sprang Todd A.","position":1,"cik":"0002096370","reported_name":"Sprang Todd A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-23T20:29:32.000Z","date":"2026-04-22","kind":"purchase","planned":false,"acquired":true,"shares":450,"price":138.96,"value":62532.0,"ownership":{"direct":true},"balance_after":2015,"source":{"system":"sec-edgar","filing":"0001104659-26-047733","document":"tm2612579-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2096370/000110465926047733/tm2612579-2_4seq1.xml","form_type":"4"}},{"id":851599,"issuer":{"id":4631,"kind":"organization","name":"Bank First Corp","symbol":"BFC"},"owners":[{"id":51514,"kind":"person","name":"Sprang Todd A.","position":1,"cik":"0002096370","reported_name":"Sprang Todd A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-03-10T20:07:59.000Z","date":"2026-03-06","kind":"grant","planned":false,"acquired":true,"shares":407,"price":135.23,"value":55038.61,"ownership":{"direct":true},"balance_after":1561,"source":{"system":"sec-edgar","filing":"0001104659-26-025828","document":"tm268391-13_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2096370/000110465926025828/tm268391-13_4seq1.xml","form_type":"4"}},{"id":927285,"issuer":{"id":4631,"kind":"organization","name":"Bank First Corp","symbol":"BFC"},"owners":[{"id":51514,"kind":"person","name":"Sprang Todd A.","position":1,"cik":"0002096370","reported_name":"Sprang Todd A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-01-30T23:12:11.000Z","date":"2026-01-27","kind":"purchase","planned":false,"acquired":true,"shares":150,"price":141.06,"value":21159.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes shares from dividend reinvestment plans."}],"balance_after":1158,"source":{"system":"sec-edgar","filing":"0001104659-26-008769","document":"tm264501-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2096370/000110465926008769/tm264501-2_4seq1.xml","form_type":"4"}}]}