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The prices actually paid range from $69.01 to $69.44."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":164113,"source":{"system":"sec-edgar","filing":"0001209191-20-026939","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919120026939/doc4.xml","form_type":"4"}},{"id":3163087,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2020-05-05T12:01:33.000Z","date":"2020-05-01","kind":"purchase","acquired":true,"shares":11419,"price":68.29,"value":779803.51,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $68.00 to $68.90."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":161113,"source":{"system":"sec-edgar","filing":"0001209191-20-026939","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919120026939/doc4.xml","form_type":"4"}},{"id":3163086,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2020-05-05T12:01:33.000Z","date":"2020-05-01","kind":"purchase","acquired":true,"shares":14981,"price":67.55,"value":1011966.55,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"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 $67.06 to $67.99.  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 purchased at each price within the ranges set forth in footnotes (1), (3) and (4) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":149694,"source":{"system":"sec-edgar","filing":"0001209191-20-026939","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919120026939/doc4.xml","form_type":"4"}},{"id":3166188,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2020-05-01T16:33:51.000Z","date":"2020-04-29","kind":"grant","acquired":true,"shares":948,"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 29, 2020.  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 29, 2020.  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":2499,"derivative":{"underlying":"Common Stock","underlying_shares":948},"source":{"system":"sec-edgar","filing":"0001209191-20-026468","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919120026468/doc4.xml","form_type":"4"}},{"id":3549735,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2019-04-25T17:34:18.000Z","date":"2019-04-24","kind":"grant","acquired":true,"shares":584,"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 24, 2019.  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 24, 2019.  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":1551,"derivative":{"underlying":"Common Stock","underlying_shares":584},"source":{"system":"sec-edgar","filing":"0001209191-19-025918","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919119025918/doc4.xml","form_type":"4"}},{"id":3943898,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-08T18:48:13.000Z","date":"2018-05-04","kind":"purchase","acquired":true,"shares":500,"price":116.04,"value":58020.0,"ownership":{"direct":false,"nature":"Shared held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $115.95 to $116.15."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":134713,"source":{"system":"sec-edgar","filing":"0001209191-18-028519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118028519/doc4.xml","form_type":"4"}},{"id":3943897,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-08T18:48:13.000Z","date":"2018-05-04","kind":"purchase","acquired":true,"shares":700,"price":115.51,"value":80857.0,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $114.90 to $115.82."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":134213,"source":{"system":"sec-edgar","filing":"0001209191-18-028519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118028519/doc4.xml","form_type":"4"}},{"id":3943896,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-08T18:48:13.000Z","date":"2018-05-04","kind":"purchase","acquired":true,"shares":100,"price":113.9,"value":11390.0,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":133513,"source":{"system":"sec-edgar","filing":"0001209191-18-028519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118028519/doc4.xml","form_type":"4"}},{"id":3943895,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-08T18:48:13.000Z","date":"2018-05-04","kind":"purchase","acquired":true,"shares":1700,"price":113.36,"value":192712.0,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $112.90 to $113.40."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":133413,"source":{"system":"sec-edgar","filing":"0001209191-18-028519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118028519/doc4.xml","form_type":"4"}},{"id":3943894,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-08T18:48:13.000Z","date":"2018-05-03","kind":"purchase","acquired":true,"shares":40000,"price":114.03,"value":4561200.0,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"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 $113.70 to $114.38.  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 purchased at each price within the ranges set forth in footnotes (1), (3), (4) and (5) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":131713,"source":{"system":"sec-edgar","filing":"0001209191-18-028519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118028519/doc4.xml","form_type":"4"}},{"id":3949313,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-03T22:36:16.000Z","date":"2018-05-02","kind":"purchase","acquired":true,"shares":2200,"price":116.5,"value":256300.0,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $116.48 to $116.50."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":91713,"source":{"system":"sec-edgar","filing":"0001209191-18-027853","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118027853/doc4.xml","form_type":"4"}},{"id":3949312,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-03T22:36:16.000Z","date":"2018-05-02","kind":"purchase","acquired":true,"shares":21042,"price":115.5,"value":2430351.0,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $115.29 to $115.70."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":89513,"source":{"system":"sec-edgar","filing":"0001209191-18-027853","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118027853/doc4.xml","form_type":"4"}},{"id":3949311,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-03T22:36:16.000Z","date":"2018-05-01","kind":"purchase","acquired":true,"shares":6299,"price":115.24,"value":725896.76,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $115.00 to $115.50."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":68471,"source":{"system":"sec-edgar","filing":"0001209191-18-027853","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118027853/doc4.xml","form_type":"4"}},{"id":3949310,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-03T22:36:16.000Z","date":"2018-05-01","kind":"purchase","acquired":true,"shares":13801,"price":114.59,"value":1581456.59,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"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 $114.00 to $114.99.  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 purchased at each price within the ranges set forth in footnotes (1), (3), (4) and (5) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":62172,"source":{"system":"sec-edgar","filing":"0001209191-18-027853","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118027853/doc4.xml","form_type":"4"}},{"id":3949309,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-03T22:34:47.000Z","date":"2018-04-27","kind":"purchase","acquired":true,"shares":26290,"price":116.34,"value":3058578.6,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This report on Form 4/A adds the following information regarding the price ranges for the weighted average price in Column 4 and the reporting person's undertaking to provide additional information:  \"The price in Column 4 is based on a weighted average price.  The prices actually paid range from $116.12 to $116.64.  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 purchased at each price within the range.\"   No other changes to the original Form 4 are made by this filing."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":48371,"source":{"system":"sec-edgar","filing":"0001209191-18-027850","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118027850/doc4a.xml","form_type":"4/A","original_submission_date":"2018-05-01"}},{"id":3953256,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2018-05-01T20:42:43.000Z","date":"2018-04-27","kind":"purchase","acquired":true,"shares":26290,"price":116.34,"value":3058578.6,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":48371,"source":{"system":"sec-edgar","filing":"0001209191-18-027120","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919118027120/doc4.xml","form_type":"4"}},{"id":3956835,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2018-04-26T20:39:25.000Z","date":"2018-04-25","kind":"grant","acquired":true,"shares":548,"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 25, 2018.  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 25, 2018.  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The prices actually paid range from $91.09 to $91.93."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":22081,"source":{"system":"sec-edgar","filing":"0001209191-17-033000","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919117033000/doc4.xml","form_type":"4"}},{"id":4317570,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2017-05-17T18:36:12.000Z","date":"2017-05-16","kind":"purchase","acquired":true,"shares":6500,"price":90.61,"value":588965.0,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price in Column 4 is based on a weighted average price.    The prices actually paid range from $90.09 to $90.96."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":17596,"source":{"system":"sec-edgar","filing":"0001209191-17-033000","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919117033000/doc4.xml","form_type":"4"}},{"id":4317569,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, $0.01 par value","published_at":"2017-05-17T18:36:12.000Z","date":"2017-05-15","kind":"purchase","acquired":true,"shares":11096,"price":90.09,"value":999638.64,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, Ltd."},"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 $89.80 to $90.50.  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 purchased at each price within the ranges set forth in footnotes (1), (3) and (4) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Weston is the sole owner of Knightsbridge, LC which is the general partner of Trout Capital, Ltd."}],"balance_after":11096,"source":{"system":"sec-edgar","filing":"0001209191-17-033000","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/39263/000120919117033000/doc4.xml","form_type":"4"}},{"id":4341609,"issuer":{"id":3533,"kind":"organization","name":"CULLEN/FROST BANKERS, INC."},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2017-05-01T22:22:16.000Z","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.  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Mr. Weston disclaims any beneficial ownership of the shares held by the trust."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001140361-16-085934","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1107694/000114036116085934/doc1.xml","form_type":"4"}},{"id":4560892,"issuer":{"id":12943,"kind":"organization","name":"RACKSPACE HOSTING, INC.","symbol":"RAX"},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-10T20:57:29.000Z","date":"2016-11-03","kind":"disposition_to_issuer","acquired":false,"shares":685,"ownership":{"direct":false,"nature":"Shares held by Overlord Capital, Inc."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Disposed of pursuant to that certain Agreement and Plan of Merger between the Issuer, Inception Parent, Inc. and Inception Merger Sub, Inc., dated as of August 26, 2016 (the \"Merger Agreement\"), in exchange for a cash payment of $32.00 per share without interest thereon (the \"Merger Consideration\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Mr. Weston is the sole owner of Overlord Capital, Inc."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001140361-16-085934","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1107694/000114036116085934/doc1.xml","form_type":"4"}},{"id":4560891,"issuer":{"id":12943,"kind":"organization","name":"RACKSPACE HOSTING, INC.","symbol":"RAX"},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-10T20:57:29.000Z","date":"2016-11-03","kind":"disposition_to_issuer","acquired":false,"shares":6460,"ownership":{"direct":false,"nature":"Shares held by Knightsbridge L.C."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Disposed of pursuant to that certain Agreement and Plan of Merger between the Issuer, Inception Parent, Inc. and Inception Merger Sub, Inc., dated as of August 26, 2016 (the \"Merger Agreement\"), in exchange for a cash payment of $32.00 per share without interest thereon (the \"Merger Consideration\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Mr. Weston is the sole owner of Knightsbridge, L.C."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001140361-16-085934","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1107694/000114036116085934/doc1.xml","form_type":"4"}},{"id":4560890,"issuer":{"id":12943,"kind":"organization","name":"RACKSPACE HOSTING, INC.","symbol":"RAX"},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-10T20:57:29.000Z","date":"2016-11-03","kind":"disposition_to_issuer","acquired":false,"shares":4957012,"ownership":{"direct":false,"nature":"Shares held by Wittington America, Ltd."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Disposed of pursuant to that certain Agreement and Plan of Merger between the Issuer, Inception Parent, Inc. and Inception Merger Sub, Inc., dated as of August 26, 2016 (the \"Merger Agreement\"), in exchange for a cash payment of $32.00 per share without interest thereon (the \"Merger Consideration\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Weston is the sole owner of Knightsbridge, L.C. which is the general partner of Wittington America, Ltd. Mr. Weston disclaims any beneficial ownership of Wittington America, Ltd. except to the extent of any pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001140361-16-085934","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1107694/000114036116085934/doc1.xml","form_type":"4"}},{"id":4560889,"issuer":{"id":12943,"kind":"organization","name":"RACKSPACE HOSTING, INC.","symbol":"RAX"},"owners":[{"id":149484,"kind":"person","name":"WESTON GRAHAM M","position":1,"cik":"0001119355","reported_name":"WESTON GRAHAM M","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-10T20:57:29.000Z","date":"2016-11-03","kind":"disposition_to_issuer","acquired":false,"shares":9330544,"ownership":{"direct":false,"nature":"Shares held by Trout Capital, 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