{"transactions":[{"id":4086004,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-01-30T19:18:43.000Z","date":"2018-01-26","kind":"exercise","acquired":false,"shares":12000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":50.64,"exercise_date":"2013-10-20","expiration_date":"2019-10-20","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-18-005976","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118005976/doc4.xml","form_type":"4"}},{"id":4086003,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-01-30T19:18:43.000Z","date":"2018-01-26","kind":"exercise","acquired":false,"shares":12000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":52.44,"exercise_date":"2012-10-21","expiration_date":"2018-10-21","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-18-005976","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118005976/doc4.xml","form_type":"4"}},{"id":4086002,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Common Stock, $0.01 par value","published_at":"2018-01-30T19:18:43.000Z","date":"2018-01-26","kind":"sale","acquired":false,"shares":2100,"price":107.04,"value":224784.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $106.95 to $107.11."}],"balance_after":844,"source":{"system":"sec-edgar","filing":"0001209191-18-005976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118005976/doc4.xml","form_type":"4"}},{"id":4086001,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Common Stock, $0.01 par value","published_at":"2018-01-30T19:18:43.000Z","date":"2018-01-26","kind":"sale","acquired":false,"shares":21900,"price":106.25,"value":2326875.0,"ownership":{"direct":true},"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 $105.78 to $106.71.  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 ranges set forth in footnotes (1) and (2) of this Form."}],"balance_after":2944,"source":{"system":"sec-edgar","filing":"0001209191-18-005976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118005976/doc4.xml","form_type":"4"}},{"id":4086000,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Common Stock, $0.01 par value","published_at":"2018-01-30T19:18:43.000Z","date":"2018-01-26","kind":"exercise","acquired":true,"shares":12000,"price":50.64,"value":607680.0,"ownership":{"direct":true},"balance_after":24844,"source":{"system":"sec-edgar","filing":"0001209191-18-005976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118005976/doc4.xml","form_type":"4"}},{"id":4085999,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Common Stock, $0.01 par value","published_at":"2018-01-30T19:18:43.000Z","date":"2018-01-26","kind":"exercise","acquired":true,"shares":12000,"price":52.44,"value":629280.0,"ownership":{"direct":true},"balance_after":12844,"source":{"system":"sec-edgar","filing":"0001209191-18-005976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118005976/doc4.xml","form_type":"4"}},{"id":4128023,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Common Stock, $0.01 par value","published_at":"2017-12-19T22:10:05.000Z","date":"2017-12-15","kind":"other","acquired":false,"shares":7224,"price":94.65,"value":683751.6,"ownership":{"direct":false,"nature":"Through 401(k) Plan"},"balance_after":1412,"source":{"system":"sec-edgar","filing":"0001209191-17-066423","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919117066423/doc4.xml","form_type":"4"}},{"id":4180489,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Restricted Stock Units","published_at":"2017-10-26T21:46:10.000Z","date":"2017-10-24","kind":"grant","acquired":true,"shares":1213,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents the right to receive one share of Cullen/Frost common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Generally vest after four years from grant date of 10-24-2017."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Generally vest after four years from grant date of 10-24-2017."}],"balance_after":1213,"derivative":{"underlying":"Common Stock","underlying_shares":1213},"source":{"system":"sec-edgar","filing":"0001209191-17-058070","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919117058070/doc4.xml","form_type":"4"}},{"id":4563339,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Common Stock, $0.01 par value","published_at":"2016-11-09T14:31:59.000Z","date":"2016-11-07","kind":"other","acquired":false,"shares":8136,"price":76.44,"value":621915.84,"ownership":{"direct":false,"nature":"Through 401(k) Plan"},"balance_after":8207,"source":{"system":"sec-edgar","filing":"0001209191-16-148964","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919116148964/doc4.xml","form_type":"4"}},{"id":4573850,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":169995,"kind":"person","name":"McKnight Gary C","position":1,"cik":"0001649912","reported_name":"McKnight Gary C","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Executive Vice President"}}],"security":"Restricted Stock Units","published_at":"2016-10-27T20:43:24.000Z","date":"2016-10-25","kind":"grant","acquired":true,"shares":1640,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents the right to receive one share of Cullen/Frost common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Generally vest after four years from grant date of 10-25-2016."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Generally vest after four years from grant date of 10-25-2016."}],"balance_after":1640,"derivative":{"underlying":"Common Stock","underlying_shares":1640},"source":{"system":"sec-edgar","filing":"0001209191-16-147157","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919116147157/doc4.xml","form_type":"4"}}]}