{"transactions":[{"id":2812743,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2021-03-03T14:21:05.000Z","date":"2021-03-01","kind":"tax_withholding","acquired":false,"shares":3817,"price":106.72,"value":407350.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents withholding of shares to pay tax liability incident to the vesting of restricted stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Excludes 5,389 shares previously owned directly which were contributed to the J and M Trust upon vesting on March 1, 2021."}],"balance_after":18030,"source":{"system":"sec-edgar","filing":"0001209191-21-016636","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919121016636/doc4.xml","form_type":"4"}},{"id":2835700,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2021-02-24T13:58:09.000Z","date":"2021-02-22","kind":"sale","acquired":false,"shares":10000,"price":108.67,"value":1086700.0,"ownership":{"direct":false,"nature":"J and M Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $107.01 to $109.92, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote for this Form 4."}],"balance_after":13127,"source":{"system":"sec-edgar","filing":"0001209191-21-013633","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919121013633/doc4.xml","form_type":"4"}},{"id":2890161,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2021-01-29T21:39:35.000Z","date":"2021-01-27","kind":"grant","acquired":true,"shares":2934,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents a grant of restricted stock that vest 20% on March 1, 2022 (the \"First Vesting Date\") and 20% on each of the first four anniversaries of the First Vesting Date."}],"balance_after":27236,"source":{"system":"sec-edgar","filing":"0001209191-21-006116","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919121006116/doc4.xml","form_type":"4"}},{"id":2977345,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2020-11-17T21:19:24.000Z","date":"2020-11-16","kind":"gift","acquired":false,"shares":2400,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"J and M Trust"},"balance_after":23127,"source":{"system":"sec-edgar","filing":"0001209191-20-058717","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919120058717/doc4.xml","form_type":"4"}},{"id":3061804,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2020-08-11T21:51:37.000Z","date":"2020-08-10","kind":"sale","acquired":false,"shares":2000,"price":100.31,"value":200620.0,"ownership":{"direct":false,"nature":"J and M Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $100.00 to $101.15, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":25527,"source":{"system":"sec-edgar","filing":"0001209191-20-046210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919120046210/doc4.xml","form_type":"4"}},{"id":3111712,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2020-06-12T20:19:58.000Z","date":"2020-06-10","kind":"sale","acquired":false,"shares":2000,"price":100.55,"value":201100.0,"ownership":{"direct":false,"nature":"J and M Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $100.01 to $100.96, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":27527,"source":{"system":"sec-edgar","filing":"0001209191-20-036262","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919120036262/doc4.xml","form_type":"4"}},{"id":3231939,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2020-03-03T22:49:49.000Z","date":"2020-03-01","kind":"other","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"J and M Trust"},"balance_after":29527,"source":{"system":"sec-edgar","filing":"0001209191-20-015519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919120015519/doc4.xml","form_type":"4"}},{"id":3231938,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2020-03-03T22:49:49.000Z","date":"2020-03-01","kind":"tax_withholding","acquired":false,"shares":4680,"price":80.68,"value":377582.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents withholding of shares to pay tax liability incident to the vesting of restricted stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Excludes 6,667 shares previously owned directly which were contributed to the J and M Trust upon vesting on March 1, 2020."}],"balance_after":24302,"source":{"system":"sec-edgar","filing":"0001209191-20-015519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919120015519/doc4.xml","form_type":"4"}},{"id":3297701,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2020-01-30T23:15:01.000Z","date":"2020-01-28","kind":"other","acquired":true,"shares":0,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"J and M Trust"},"balance_after":22860,"source":{"system":"sec-edgar","filing":"0001209191-20-005659","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919120005659/doc4.xml","form_type":"4"}},{"id":3297700,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2020-01-30T23:15:01.000Z","date":"2020-01-28","kind":"grant","acquired":true,"shares":7690,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents a grant of restricted stock that vest 20% on March 1, 2021 (the \"First Vesting Date\") and 20% on each of the first four anniversaries of the First Vesting Date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The aggregate number of shares held by the Reporting Person previously was underreported by ten shares.  The total number of shares reported as directly held is now corrected."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Previously, all of the Reporting Person's shares were shown as indirectly held.  Certain shares, reflecting unvested shares of restricted stock held by the Reporting Person, are held directly while unvested and then, upon vesting, are held indirectly through the J and M Trust.  The shares held by the Reporting Person now reflect the difference between the directly held and indirectly held shares, although the total number of shares held by the Reporting Person remains the same."}],"balance_after":35649,"source":{"system":"sec-edgar","filing":"0001209191-20-005659","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919120005659/doc4.xml","form_type":"4"}},{"id":3348024,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-12-09T21:55:17.000Z","date":"2019-12-06","kind":"sale","acquired":false,"shares":6000,"price":88.13,"value":528780.0,"ownership":{"direct":false,"nature":"J and M Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $87.64 to $88.70, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote for this Form 4."}],"balance_after":50809,"source":{"system":"sec-edgar","filing":"0001209191-19-059705","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119059705/doc4.xml","form_type":"4"}},{"id":3417497,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-09-11T21:45:20.000Z","date":"2019-09-10","kind":"sale","acquired":false,"shares":2000,"price":108.75,"value":217500.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $106.09 to $110.55, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote for this Form 4."}],"balance_after":56809,"source":{"system":"sec-edgar","filing":"0001209191-19-049217","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119049217/doc4.xml","form_type":"4"}},{"id":3439893,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-08-13T23:45:52.000Z","date":"2019-08-13","kind":"sale","acquired":false,"shares":2000,"price":126.2,"value":252400.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $125.57 to $126.81, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote for this Form 4."}],"balance_after":58809,"source":{"system":"sec-edgar","filing":"0001209191-19-045812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119045812/doc4.xml","form_type":"4"}},{"id":3465205,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-07-09T22:49:15.000Z","date":"2019-07-09","kind":"sale","acquired":false,"shares":2000,"price":116.5,"value":233000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $116.33 to $116.64, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":60809,"source":{"system":"sec-edgar","filing":"0001209191-19-041634","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119041634/doc4.xml","form_type":"4"}},{"id":3494075,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-06-11T22:07:33.000Z","date":"2019-06-11","kind":"sale","acquired":false,"shares":2000,"price":124.49,"value":248980.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $123.76 to $126.00, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":62809,"source":{"system":"sec-edgar","filing":"0001209191-19-036182","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119036182/doc4.xml","form_type":"4"}},{"id":3516786,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-05-21T21:34:09.000Z","date":"2019-05-20","kind":"exercise","acquired":false,"shares":19900,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":21.1,"exercise_date":"2015-02-25","expiration_date":"2020-02-24","underlying":"Common Stock","underlying_shares":19900},"source":{"system":"sec-edgar","filing":"0001209191-19-031818","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119031818/doc4.xml","form_type":"4"}},{"id":3516785,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-05-21T21:34:09.000Z","date":"2019-05-20","kind":"sale","acquired":false,"shares":19900,"price":113.95,"value":2267605.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $113.74 to $114.27, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":64809,"source":{"system":"sec-edgar","filing":"0001209191-19-031818","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119031818/doc4.xml","form_type":"4"}},{"id":3516784,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-05-21T21:34:09.000Z","date":"2019-05-20","kind":"exercise","acquired":true,"shares":19900,"price":21.1,"value":419890.0,"ownership":{"direct":true},"balance_after":84709,"source":{"system":"sec-edgar","filing":"0001209191-19-031818","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119031818/doc4.xml","form_type":"4"}},{"id":3527558,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-05-14T23:15:31.000Z","date":"2019-05-14","kind":"sale","acquired":false,"shares":2000,"price":115.03,"value":230060.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $114.90 to $115.45, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote for this Form 4."}],"balance_after":64809,"source":{"system":"sec-edgar","filing":"0001209191-19-029796","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119029796/doc4.xml","form_type":"4"}},{"id":3559267,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-04-09T22:30:30.000Z","date":"2019-04-09","kind":"sale","acquired":false,"shares":2000,"price":118.12,"value":236240.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $117.80 to $118.54, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":66809,"source":{"system":"sec-edgar","filing":"0001209191-19-024162","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919119024162/doc4.xml","form_type":"4"}},{"id":3599246,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2019-03-12T23:28:09.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":2000,"price":114.88,"value":229760.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected pursuant to a 10b5-1 plan adopted by the reporting person dated September 10, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $114.21 to $115.15, inclusive.  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The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":105764,"source":{"system":"sec-edgar","filing":"0001209191-16-149084","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919116149084/doc4.xml","form_type":"4"}},{"id":4562061,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2016-11-09T21:57:50.000Z","date":"2016-11-07","kind":"exercise","acquired":true,"shares":5100,"price":21.1,"value":107610.0,"ownership":{"direct":true},"balance_after":110864,"source":{"system":"sec-edgar","filing":"0001209191-16-149084","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919116149084/doc4.xml","form_type":"4"}},{"id":4562060,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2016-11-09T21:57:50.000Z","date":"2016-11-07","kind":"sale","acquired":false,"shares":19900,"price":48.13,"value":957787.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $48.00 to $48.69, inclusive.  The reporting person undertakes to provide to Grand Canyon Education, Inc., any security holder of Grand Canyon Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":105764,"source":{"system":"sec-edgar","filing":"0001209191-16-149084","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919116149084/doc4.xml","form_type":"4"}},{"id":4562059,"issuer":{"id":4062,"kind":"organization","name":"Grand Canyon Education, Inc."},"owners":[{"id":141884,"kind":"person","name":"Mildenhall Joseph N","position":1,"cik":"0001396245","reported_name":"Mildenhall Joseph N","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Information Officer"}}],"security":"Common Stock","published_at":"2016-11-09T21:57:50.000Z","date":"2016-11-07","kind":"exercise","acquired":true,"shares":19900,"price":17.03,"value":338897.0,"ownership":{"direct":true},"balance_after":125664,"source":{"system":"sec-edgar","filing":"0001209191-16-149084","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434588/000120919116149084/doc4.xml","form_type":"4"}}]}