{"transactions":[{"id":3257587,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-02-21T23:53:00.000Z","date":"2020-02-20","kind":"tax_withholding","acquired":false,"shares":220,"price":101.45,"value":22319.0,"ownership":{"direct":true},"balance_after":47214,"source":{"system":"sec-edgar","filing":"0001104659-20-024002","document":"tm209709d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/910329/000110465920024002/tm209709d1_4.xml","form_type":"4"}},{"id":3257586,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-02-21T23:53:00.000Z","date":"2020-02-19","kind":"grant","acquired":true,"shares":1655,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":47434,"source":{"system":"sec-edgar","filing":"0001104659-20-024002","document":"tm209709d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000110465920024002/tm209709d1_4.xml","form_type":"4"}},{"id":3260725,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-02-20T21:28:20.000Z","date":"2020-02-16","kind":"tax_withholding","acquired":false,"shares":377,"price":103.68,"value":39087.36,"ownership":{"direct":true},"balance_after":45779,"source":{"system":"sec-edgar","filing":"0001562180-20-001406","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000156218020001406/primarydocument.xml","form_type":"4"}},{"id":3280452,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-02-11T16:35:50.000Z","date":"2020-02-07","kind":"tax_withholding","acquired":false,"shares":228,"price":100.59,"value":22934.52,"ownership":{"direct":true},"balance_after":46156,"source":{"system":"sec-edgar","filing":"0001562180-20-001073","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000156218020001073/primarydocument.xml","form_type":"4"}},{"id":3324689,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Performance Stock Units","published_at":"2020-01-03T22:34:59.000Z","date":"2019-12-31","kind":"exercise","acquired":false,"shares":37950,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"37,950 Performance Stock Units were granted on February 16, 2017, vested on December 31, 2019 and converted into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"37,950 Performance Stock Units were granted on February 16, 2017, vested on December 31, 2019 and converted into common stock on a one-for-one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"37,950 Performance Stock Units were granted on February 16, 2017, vested on December 31, 2019 and converted into common stock on a one-for-one basis."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":37950},"source":{"system":"sec-edgar","filing":"0001562180-20-000137","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/910329/000156218020000137/primarydocument.xml","form_type":"4"}},{"id":3324688,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-01-03T22:34:59.000Z","date":"2019-12-31","kind":"tax_withholding","acquired":false,"shares":18190,"price":109.58,"value":1993260.2,"ownership":{"direct":true},"balance_after":46384,"source":{"system":"sec-edgar","filing":"0001562180-20-000137","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/910329/000156218020000137/primarydocument.xml","form_type":"4"}},{"id":3324687,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-01-03T22:34:59.000Z","date":"2019-12-31","kind":"exercise","acquired":true,"shares":37950,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"37,950 Performance Stock Units were granted on February 16, 2017, vested on December 31, 2019 and converted into common stock on a one-for-one basis."}],"balance_after":64574,"source":{"system":"sec-edgar","filing":"0001562180-20-000137","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000156218020000137/primarydocument.xml","form_type":"4"}},{"id":3639891,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-02-22T23:57:46.000Z","date":"2019-02-20","kind":"grant","acquired":true,"shares":1306,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":26624,"source":{"system":"sec-edgar","filing":"0001144204-19-009679","document":"tv514538_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420419009679/tv514538_4.xml","form_type":"4"}},{"id":3651246,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-02-19T22:35:45.000Z","date":"2019-02-15","kind":"tax_withholding","acquired":false,"shares":283,"price":132.82,"value":37588.06,"ownership":{"direct":true},"balance_after":25318,"source":{"system":"sec-edgar","filing":"0001144204-19-008921","document":"tv514042_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420419008921/tv514042_4.xml","form_type":"4"}},{"id":3669147,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-02-08T22:23:22.000Z","date":"2019-02-07","kind":"tax_withholding","acquired":false,"shares":170,"price":127.07,"value":21601.9,"ownership":{"direct":true},"balance_after":25601,"source":{"system":"sec-edgar","filing":"0001144204-19-005902","document":"tv512881_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420419005902/tv512881_4.xml","form_type":"4"}},{"id":3768523,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Options","published_at":"2018-11-13T17:58:29.000Z","date":"2018-11-07","kind":"exercise","acquired":false,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These options vest in three equal annual installments beginning 2/16/2018"}],"balance_after":5000,"derivative":{"exercise_price":44.73,"expiration_date":"2027-02-16","underlying":"Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001144204-18-059217","document":"tv507049_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418059217/tv507049_4.xml","form_type":"4"}},{"id":3768522,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-11-13T17:58:29.000Z","date":"2018-11-07","kind":"tax_withholding","acquired":false,"shares":1437,"price":153.31,"value":220306.47,"ownership":{"direct":true},"balance_after":25771,"source":{"system":"sec-edgar","filing":"0001144204-18-059217","document":"tv507049_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418059217/tv507049_4.xml","form_type":"4"}},{"id":3768521,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-11-13T17:58:29.000Z","date":"2018-11-07","kind":"exercise","acquired":true,"shares":2500,"price":44.73,"value":111825.0,"ownership":{"direct":true},"balance_after":27208,"source":{"system":"sec-edgar","filing":"0001144204-18-059217","document":"tv507049_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418059217/tv507049_4.xml","form_type":"4"}},{"id":4049264,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-02-20T23:39:39.000Z","date":"2018-02-19","kind":"tax_withholding","acquired":false,"shares":534,"price":69.11,"value":36904.74,"ownership":{"direct":true},"balance_after":24708,"source":{"system":"sec-edgar","filing":"0001144204-18-009865","document":"tv486552_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418009865/tv486552_form4.xml","form_type":"4"}},{"id":4049263,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-02-20T23:39:39.000Z","date":"2018-02-16","kind":"tax_withholding","acquired":false,"shares":282,"price":69.11,"value":19489.02,"ownership":{"direct":true},"balance_after":25242,"source":{"system":"sec-edgar","filing":"0001144204-18-009865","document":"tv486552_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418009865/tv486552_form4.xml","form_type":"4"}},{"id":4069229,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Options","published_at":"2018-02-09T23:23:46.000Z","date":"2018-02-07","kind":"grant","acquired":true,"shares":4500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These non-qualified stock options, which were issued to the reporting person under the 2012 Share Incentive Plan, will vest in three equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These non-qualified stock options, which were issued to the reporting person under the 2012 Share Incentive Plan, will vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":4500,"derivative":{"exercise_price":66.68,"expiration_date":"2028-02-07","underlying":"Common Stock","underlying_shares":4500},"source":{"system":"sec-edgar","filing":"0001144204-18-007048","document":"tv485498_form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418007048/tv485498_form4.xml","form_type":"4"}},{"id":4069228,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-02-09T23:23:46.000Z","date":"2018-02-07","kind":"grant","acquired":true,"shares":1280,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units pursuant to the 2012 Share Incentive Plan, which will vest in three equal installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":25524,"source":{"system":"sec-edgar","filing":"0001144204-18-007048","document":"tv485498_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418007048/tv485498_form4.xml","form_type":"4"}},{"id":4069227,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-02-09T23:23:46.000Z","date":"2017-12-31","kind":"tax_withholding","acquired":false,"shares":3800,"price":69.81,"value":265278.0,"ownership":{"direct":true},"balance_after":24244,"source":{"system":"sec-edgar","filing":"0001144204-18-007048","document":"tv485498_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420418007048/tv485498_form4.xml","form_type":"4"}},{"id":4437387,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Options","published_at":"2017-02-22T00:58:51.000Z","date":"2017-02-16","kind":"grant","acquired":true,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"These non qualified stock options, which were issued to the reporting person under the 2012 Share Incentive Plan, will vest in three equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These non qualified stock options, which were issued to the reporting person under the 2012 Share Incentive Plan, will vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":7500,"derivative":{"exercise_price":44.73,"expiration_date":"2027-02-16","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001144204-17-010269","document":"v460107_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420417010269/v460107_4.xml","form_type":"4"}},{"id":4437386,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Performance Restricted Stock Units","published_at":"2017-02-22T00:58:51.000Z","date":"2017-02-16","kind":"grant","acquired":true,"shares":37950,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents the maximum number of shares that may be earned under this performance-based deferred share award. The actual number of deferred shares that will vest will be determined based on the achievement of certain pre-established performance goals, including the Company's total shareholder return and the price of the Common Stock, following the 2017 performance period."},{"field":"shares","element":"transactionShares","label":"F3","text":"Represents the maximum number of shares that may be earned under this performance-based deferred share award. The actual number of deferred shares that will vest will be determined based on the achievement of certain pre-established performance goals, including the Company's total shareholder return and the price of the Common Stock, following the 2017 performance period."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents the maximum number of shares that may be earned under this performance-based deferred share award. The actual number of deferred shares that will vest will be determined based on the achievement of certain pre-established performance goals, including the Company's total shareholder return and the price of the Common Stock, following the 2017 performance period."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Represents the maximum number of shares that may be earned under this performance-based deferred share award. The actual number of deferred shares that will vest will be determined based on the achievement of certain pre-established performance goals, including the Company's total shareholder return and the price of the Common Stock, following the 2017 performance period."}],"balance_after":37950,"derivative":{"underlying":"Common Stock","underlying_shares":37950},"source":{"system":"sec-edgar","filing":"0001144204-17-010269","document":"v460107_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420417010269/v460107_4.xml","form_type":"4"}},{"id":4437385,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-02-22T00:58:51.000Z","date":"2017-02-19","kind":"tax_withholding","acquired":false,"shares":1067,"price":45.07,"value":48089.69,"ownership":{"direct":true},"balance_after":28044,"source":{"system":"sec-edgar","filing":"0001144204-17-010269","document":"v460107_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420417010269/v460107_4.xml","form_type":"4"}},{"id":4437384,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-02-22T00:58:51.000Z","date":"2017-02-16","kind":"grant","acquired":true,"shares":2120,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Annual restricted stock grant, which was issued to the reporting person under the 2012 Share Incentive Plan, will vest annually in equal installments over a period of three years, beginning on the first anniversary of the grant date."}],"balance_after":29111,"source":{"system":"sec-edgar","filing":"0001144204-17-010269","document":"v460107_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420417010269/v460107_4.xml","form_type":"4"}},{"id":4437383,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-02-22T00:58:51.000Z","date":"2017-02-16","kind":"grant","acquired":true,"shares":9500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares issued to the reporting person under the 2012 Share Incentive Plan after pre-established performance -based conditions were satisfied for the 2016 performance period."}],"balance_after":26991,"source":{"system":"sec-edgar","filing":"0001144204-17-010269","document":"v460107_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420417010269/v460107_4.xml","form_type":"4"}},{"id":4504727,"issuer":{"id":6587,"kind":"organization","name":"MEDIFAST INC"},"owners":[{"id":151496,"kind":"person","name":"ROBINSON TIMOTHY G","position":1,"cik":"0001577215","reported_name":"ROBINSON TIMOTHY G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-01-04T21:11:20.000Z","date":"2016-12-31","kind":"tax_withholding","acquired":false,"shares":2250,"price":41.63,"value":93667.5,"ownership":{"direct":true},"balance_after":17491,"source":{"system":"sec-edgar","filing":"0001144204-17-000582","document":"v456234_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/910329/000114420417000582/v456234_4.xml","form_type":"4"}}]}