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Tax withholding is required following certification of a one-year performance goal for a retirement-eligible Reporting Person or when the Reporting Person becomes retirement-eligible, if later."}],"balance_after":2436,"derivative":{"expiration_date":"2017-01-27","underlying":"Common Stock","underlying_shares":117},"source":{"system":"sec-edgar","filing":"0001225208-15-021824","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815021824/doc4.xml","form_type":"4"}},{"id":444464,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Common Stock","published_at":"2015-12-07T23:09:42.000Z","date":"2015-12-04","kind":"sale","acquired":false,"shares":1860.365,"price":218.943,"value":407313.894195,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price represents the weighted average sale price for multiple transactions reported on this line.  Sale prices ranged from $218.66 to $219.32.  Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sales price."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001225208-15-021824","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815021824/doc4.xml","form_type":"4"}},{"id":444463,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Common Stock","published_at":"2015-12-07T23:09:42.000Z","date":"2015-12-04","kind":"tax_withholding","acquired":false,"shares":117,"price":218.39,"value":25551.63,"ownership":{"direct":true},"balance_after":1860.365,"source":{"system":"sec-edgar","filing":"0001225208-15-021824","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815021824/doc4.xml","form_type":"4"}},{"id":444462,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Common Stock","published_at":"2015-12-07T23:09:42.000Z","date":"2015-12-04","kind":"exercise","acquired":true,"shares":117,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the accelerated vesting of shares received upon the conversion of a portion of restricted stock units granted on January 27, 2014 with a value equal to the tax withholding obligations for the retirement-eligible Reporting Person and disposition to the Issuer of such shares to satisfy the Reporting Person's tax withholding obligations, which transaction is exempt under Rule 16b-3.  Tax withholding is required following certification of a one-year performance goal for a retirement-eligible Reporting Person or when the Reporting Person becomes retirement-eligible, if later."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the accelerated vesting of shares received upon the conversion of a portion of restricted stock units granted on January 27, 2014 with a value equal to the tax withholding obligations for the retirement-eligible Reporting Person and disposition to the Issuer of such shares to satisfy the Reporting Person's tax withholding obligations, which transaction is exempt under Rule 16b-3.  Tax withholding is required following certification of a one-year performance goal for a retirement-eligible Reporting Person or when the Reporting Person becomes retirement-eligible, if later."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"End of period holdings include additional shares acquired through dividend reinvestment."}],"balance_after":1977.365,"source":{"system":"sec-edgar","filing":"0001225208-15-021824","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815021824/doc4.xml","form_type":"4"}},{"id":451533,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Employee Stock Option (Right-to-buy)","published_at":"2015-04-29T20:14:46.000Z","date":"2015-04-27","kind":"exercise","acquired":false,"shares":5573,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The options vested over three years, one-third on each of the first, second and third anniversaries of the grant date."}],"balance_after":0,"derivative":{"exercise_price":82.01,"exercise_date":"2013-01-30","expiration_date":"2022-01-28","underlying":"Common Stock","underlying_shares":5573},"source":{"system":"sec-edgar","filing":"0001225208-15-010552","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815010552/doc4.xml","form_type":"4"}},{"id":451532,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Common Stock","published_at":"2015-04-29T20:14:46.000Z","date":"2015-04-27","kind":"sale","acquired":false,"shares":5573,"price":194.4729,"value":1083797.4717,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price represents the weighted average sale price for multiple transactions reported on this line.  Sale prices ranged from $194.20 to $194.78.  Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sales price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"End of period holdings include additional shares acquired through dividend reinvestment."}],"balance_after":1839.008,"source":{"system":"sec-edgar","filing":"0001225208-15-010552","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815010552/doc4.xml","form_type":"4"}},{"id":451531,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Common Stock","published_at":"2015-04-29T20:14:46.000Z","date":"2015-04-27","kind":"exercise","acquired":true,"shares":5573,"price":82.01,"value":457041.73,"ownership":{"direct":true},"balance_after":7412.008,"source":{"system":"sec-edgar","filing":"0001225208-15-010552","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815010552/doc4.xml","form_type":"4"}},{"id":456370,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Restricted Stock 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was the economic equivalent of one share of LMT common stock."}],"balance_after":2605.91,"source":{"system":"sec-edgar","filing":"0001225208-15-002813","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815002813/doc4.xml","form_type":"4"}},{"id":456622,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Restricted Stock Units","published_at":"2015-02-02T21:14:02.000Z","date":"2015-01-29","kind":"grant","acquired":true,"shares":1898,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of LMT common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Award of restricted stock units which vests on the third anniversary of the grant date.  In accordance with the award agreement, vesting will be accelerated to the extent necessary to satisfy tax withholding obligations for retirement-eligible Reporting Persons and such vested shares shall be disposed to the Issuer for the purposes of satisfying the Reporting Person's tax withholding obligations, which is an exempt transaction under Rule 16b-3.  Tax withholding is required following certification of a one-year performance goal for a retirement-eligible Reporting Person or when the Reporting Person becomes retirement-eligible, if later."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Award of restricted stock units which vests on the third anniversary of the grant date.  In accordance with the award agreement, vesting will be accelerated to the extent necessary to satisfy tax withholding obligations for retirement-eligible Reporting Persons and such vested shares shall be disposed to the Issuer for the purposes of satisfying the Reporting Person's tax withholding obligations, which is an exempt transaction under Rule 16b-3.  Tax withholding is required following certification of a one-year performance goal for a retirement-eligible Reporting Person or when the Reporting Person becomes retirement-eligible, if later."}],"balance_after":1898,"derivative":{"expiration_date":"2018-01-29","underlying":"Common Stock","underlying_shares":1898},"source":{"system":"sec-edgar","filing":"0001225208-15-002591","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815002591/doc4.xml","form_type":"4"}},{"id":457307,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Phantom Stock Units","published_at":"2015-01-17T02:29:16.000Z","date":"2015-01-14","kind":"other","acquired":false,"shares":2018.6698,"ownership":{"direct":false,"nature":"Lockheed Martin LTIP"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The phantom stock units convert on a 1-for-1 basis."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Settlement in cash of phantom stock units at $192.57 per share, following a two-year mandatory deferral period, pursuant to the Lockheed Martin Long Term Incentive Plan exempt under Section 16(b)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Settlement in cash of phantom stock units at $192.57 per share, following a two-year mandatory deferral period, pursuant to the Lockheed Martin Long Term Incentive Plan exempt under Section 16(b)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Settlement in cash of phantom stock units at $192.57 per share, following a two-year mandatory deferral period, pursuant to the Lockheed Martin Long Term Incentive Plan exempt under Section 16(b)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Settlement in cash of phantom stock units at $192.57 per share, following a two-year mandatory deferral period, pursuant to the Lockheed Martin Long Term Incentive Plan exempt under Section 16(b)."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2018.6698},"source":{"system":"sec-edgar","filing":"0001225208-15-001584","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520815001584/doc4.xml","form_type":"4"}},{"id":462182,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & Treasurer"}}],"security":"Common Stock","published_at":"2014-08-21T21:51:13.000Z","date":"2014-08-21","kind":"sale","acquired":false,"shares":3000,"price":174.6919,"value":524075.7,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price represents the weighted average sale price for multiple transactions reported on this line.  Sale prices ranged from $174.63 to $174.8437.  Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sales price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"End of period holdings include additional shares acquired through dividend reinvestment."}],"balance_after":450.91,"source":{"system":"sec-edgar","filing":"0001225208-14-018972","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/936468/000122520814018972/doc4.xml","form_type":"4"}},{"id":469579,"issuer":{"id":2882,"kind":"organization","name":"LOCKHEED MARTIN CORP"},"owners":[{"id":15635,"kind":"person","name":"Possenriede Kenneth R","position":1,"cik":"0001524478","reported_name":"Possenriede Kenneth R","relationship":{"officer":true,"officer_title":"Vice President & 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Sale prices ranged from $147.00 to $147.37.  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