{"transactions":[{"id":3956823,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":167289,"kind":"person","name":"ALEXANDER R DENNY","position":1,"cik":"0001128390","reported_name":"ALEXANDER R DENNY","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former Director"}}],"security":"Deferred Stock Units","published_at":"2018-04-26T20:29:53.000Z","date":"2018-04-25","kind":"exercise","acquired":false,"shares":5337,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":5337},"source":{"system":"sec-edgar","filing":"0001209191-18-026230","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118026230/doc4.xml","form_type":"4"}},{"id":3956822,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":167289,"kind":"person","name":"ALEXANDER R DENNY","position":1,"cik":"0001128390","reported_name":"ALEXANDER R DENNY","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former Director"}}],"security":"Common Stock, $0.01 par value","published_at":"2018-04-26T20:29:53.000Z","date":"2018-04-25","kind":"exercise","acquired":true,"shares":5337,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":5337,"source":{"system":"sec-edgar","filing":"0001209191-18-026230","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118026230/doc4.xml","form_type":"4"}},{"id":4002568,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":167289,"kind":"person","name":"ALEXANDER R DENNY","position":1,"cik":"0001128390","reported_name":"ALEXANDER R DENNY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-03-12T18:30:42.000Z","date":"2018-03-09","kind":"sale","acquired":false,"shares":2000,"price":109.54,"value":219080.0,"ownership":{"direct":false,"nature":"Through Limited Partnership"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The price in Column 4 is based on a weighted average price. The prices actually paid range from $109.50 to $109.60.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.\n(2) Shares held by Alton Road Partners, L.P. (the \"Partnership\") of which the reporting person is a general partner.  The reporting person disclaims beneficial ownership of the Common Stock held by the Partnership, except to the extent of his pecuniary interest therein."}],"balance_after":14050,"source":{"system":"sec-edgar","filing":"0001209191-18-018772","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118018772/doc4.xml","form_type":"4"}},{"id":4078301,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":167289,"kind":"person","name":"ALEXANDER R DENNY","position":1,"cik":"0001128390","reported_name":"ALEXANDER R DENNY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-02-05T22:12:39.000Z","date":"2018-01-29","kind":"sale","acquired":false,"shares":3000,"price":107.5,"value":322500.0,"ownership":{"direct":false,"nature":"Through Limited Partnership"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held by Alton Road Partners, L.P. (the \"Partnership\") of which the reporting person is a general partner.  The reporting person disclaims beneficial ownership of the Common Stock held by the Partnership, except to the extent of his pecuniary interest therein."}],"balance_after":16050,"source":{"system":"sec-edgar","filing":"0001209191-18-007574","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118007574/doc4.xml","form_type":"4"}},{"id":4341597,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":167289,"kind":"person","name":"ALEXANDER R DENNY","position":1,"cik":"0001128390","reported_name":"ALEXANDER R DENNY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2017-05-01T21:54:08.000Z","date":"2017-04-27","kind":"grant","acquired":true,"shares":419,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The deferred stock units vested on April 27, 2017.  Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The deferred stock units vested on April 27, 2017.  Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc."}],"balance_after":5337,"derivative":{"underlying":"Common Stock","underlying_shares":419},"source":{"system":"sec-edgar","filing":"0001209191-17-028984","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919117028984/doc4.xml","form_type":"4"}},{"id":4560169,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":167289,"kind":"person","name":"ALEXANDER R DENNY","position":1,"cik":"0001128390","reported_name":"ALEXANDER R DENNY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2016-11-14T16:27:41.000Z","date":"2016-11-09","kind":"sale","acquired":false,"shares":10000,"price":79.33,"value":793300.0,"ownership":{"direct":false,"nature":"Through Limited Partnership"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $79.12 to $79.50.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Alton Road Partners, L.P. (the \"Partnership\") of which the reporting person is a general partner.  The reporting person disclaims beneficial ownership of the Common Stock held by the Partnership, except to the extent of his pecuniary interest therein."}],"balance_after":19050,"source":{"system":"sec-edgar","filing":"0001209191-16-149580","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919116149580/doc4.xml","form_type":"4"}}]}