{"transactions":[{"id":869525,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2026-03-03T21:03:13.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":873,"price":745,"value":650385.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025."}],"balance_after":1.39,"source":{"system":"sec-edgar","filing":"0001628280-26-013772","document":"wk-form4_1772571789.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026013772/wk-form4_1772571789.xml","form_type":"4"}},{"id":891124,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2026-02-21T01:01:49.000Z","date":"2026-02-19","kind":"sale","planned":true,"acquired":false,"shares":194,"price":727.62,"value":141158.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025."}],"balance_after":874.39,"source":{"system":"sec-edgar","filing":"0001628280-26-010367","document":"wk-form4_1771635706.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026010367/wk-form4_1771635706.xml","form_type":"4"}},{"id":893948,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Restricted Stock Rights","published_at":"2026-02-19T21:24:12.000Z","date":"2026-02-17","kind":"exercise","planned":true,"acquired":false,"shares":387,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares issued upon vesting of RSRs granted under the 2011 Long-Term Incentive Stock Plan (\"2011 LTISP\") on 2/16/23 that vested on 2/17/26."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total amount includes (i) 1,732 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (ii) 1,965 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iii) 1,471 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29."}],"balance_after":5168,"derivative":{"underlying":"Common Stock","underlying_shares":387},"source":{"system":"sec-edgar","filing":"0001628280-26-009782","document":"wk-form4_1771536249.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026009782/wk-form4_1771536249.xml","form_type":"4"}},{"id":893947,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2026-02-19T21:24:12.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":779,"price":702.56,"value":547294.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025."}],"balance_after":1068.39,"source":{"system":"sec-edgar","filing":"0001628280-26-009782","document":"wk-form4_1771536249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026009782/wk-form4_1771536249.xml","form_type":"4"}},{"id":893946,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2026-02-19T21:24:12.000Z","date":"2026-02-17","kind":"tax_withholding","planned":true,"acquired":false,"shares":193,"price":701.12,"value":135316.16,"ownership":{"direct":true},"balance_after":1847.39,"source":{"system":"sec-edgar","filing":"0001628280-26-009782","document":"wk-form4_1771536249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026009782/wk-form4_1771536249.xml","form_type":"4"}},{"id":893945,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2026-02-19T21:24:12.000Z","date":"2026-02-17","kind":"exercise","planned":true,"acquired":true,"shares":387,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2040.39,"source":{"system":"sec-edgar","filing":"0001628280-26-009782","document":"wk-form4_1771536249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026009782/wk-form4_1771536249.xml","form_type":"4"}},{"id":905558,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Restricted Performance Stock Rights","published_at":"2026-02-13T21:17:13.000Z","date":"2026-02-11","kind":"exercise","planned":false,"acquired":false,"shares":1334.96,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes (i) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (ii) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iii) 3,187 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending 12/31/28."}],"balance_after":11245,"derivative":{"underlying":"Common Stock","underlying_shares":1334.96},"source":{"system":"sec-edgar","filing":"0001628280-26-008127","document":"wk-form4_1771017430.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026008127/wk-form4_1771017430.xml","form_type":"4"}},{"id":905557,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Restricted Stock Rights","published_at":"2026-02-13T21:17:13.000Z","date":"2026-02-11","kind":"grant","planned":false,"acquired":true,"shares":1471,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The RSRs were granted under the 2024 LTISP on 2/11/26 and will vest on 2/12/29."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Total amount includes (i) 387 RSRs granted under the 2011 LTISP on 2/16/23 that will vest on 2/17/26; (ii) 1,732 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; (iii) 1,965 RSRs granted under the 2024 LTISP on 2/18/25 that will vest on 2/18/28; and (iv) 1,471 RSRs granted under 2024 LTISP on 2/11/26 that will vest on 2/12/29."}],"balance_after":5555,"derivative":{"underlying":"Common Stock","underlying_shares":1471},"source":{"system":"sec-edgar","filing":"0001628280-26-008127","document":"wk-form4_1771017430.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828026008127/wk-form4_1771017430.xml","form_type":"4"}},{"id":905556,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Restricted Performance Stock Rights","published_at":"2026-02-13T21:17:13.000Z","date":"2026-02-11","kind":"grant","planned":false,"acquired":true,"shares":3619.96,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F2","text":"The RPSRs acquired include (i) 432.96 vested RPSRs with respect to the measurement period ended 12/31/25 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan (\"2011 LTISP\") on 2/16/23 that resulted in settlement at 148% of the target award; and (ii) 3,187 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the \"2024 LTISP\") on 2/11/26 with a measurement period ending on 12/31/28.  A total of 1,334.96 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 902 RPSRs was previously reported in connection with the grant of the 2023 RPSRs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period.  Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Total amount includes (i) 1,334.96 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 3,187 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28."}],"balance_after":12579.96,"derivative":{"underlying":"Common 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Stock","published_at":"2025-02-24T21:48:05.000Z","date":"2025-02-20","kind":"sale","planned":true,"acquired":false,"shares":1035,"price":429.08,"value":444097.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2024."}],"balance_after":779.43,"source":{"system":"sec-edgar","filing":"0001628280-25-007396","document":"wk-form4_1740433678.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025007396/wk-form4_1740433678.xml","form_type":"4"}},{"id":1256465,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn 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combination of cash and Issuer common stock"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Shares issued upon vesting of RSRs granted under the 2011 LTISP on 2/15/22 that vested on 2/18/25."}],"balance_after":4084,"derivative":{"underlying":"Common Stock","underlying_shares":468},"source":{"system":"sec-edgar","filing":"0001628280-25-006864","document":"wk-form4_1740089922.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025006864/wk-form4_1740089922.xml","form_type":"4"}},{"id":1256464,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General 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The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Total amount includes (i) 902 RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ending on 12/31/25; (ii) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; and (iii) 4,284 RPSRs granted under the 2024 LITSP on 2/15/25 with a measurement period ending on 12/31/27."}],"balance_after":8960,"derivative":{"underlying":"Common Stock","underlying_shares":1096.75},"source":{"system":"sec-edgar","filing":"0001628280-25-006864","document":"wk-form4_1740089922.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025006864/wk-form4_1740089922.xml","form_type":"4"}},{"id":1256463,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Restricted Stock Rights","published_at":"2025-02-20T22:18:48.000Z","date":"2025-02-18","kind":"grant","planned":true,"acquired":true,"shares":1965,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The RSRs were granted under the 2024 LTISP on 2/18/2025 and will vest on 2/18/2028."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Total amount includes (i) 468 RSRs granted under the 2011 LTISP on 2/15/22 that vested on 2/18/25; (ii) 387 RSRs granted under the 2011 LTISP on 2/16/23 that will vest on 2/17/26; (iii) 1,732 RSRs granted under the 2011 LTISP on 2/14/24 that will vest on 2/16/27; and (iv) 1,965 RSRs granted under 2024 LTISP on 2/18/25 that will vest on 2/18/28."}],"balance_after":4552,"derivative":{"underlying":"Common Stock","underlying_shares":1965},"source":{"system":"sec-edgar","filing":"0001628280-25-006864","document":"wk-form4_1740089922.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025006864/wk-form4_1740089922.xml","form_type":"4"}},{"id":1256462,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Restricted Performance Stock Rights","published_at":"2025-02-20T22:18:48.000Z","date":"2025-02-18","kind":"grant","planned":true,"acquired":true,"shares":4355.75,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F3","text":"The RPSRs acquired include (i) 71.75 vested RPSRs with respect to the measurement period ended 12/31/24 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan (\"2011 LTISP\") on 2/15/22 that resulted in settlement at 107% of the target award; and (ii) 4,284 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the \"2024 LTISP\") on 2/18/25 with a measurement period ending on 12/31/27.  A total of 1,096.75 shares were issued in settlement of the 2022 RPSRs with a measurement period that ended 12/31/24, and the target award amount of 1,025 RPSRs was previously reported in connection with the grant of the 2022 RPSRs."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Total amount includes (i) 1,096.75 vested RPSRs granted under the 2011 LTISP on 2/15/22 with a measurement period ended on 12/31/24; (ii) 902 RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ending on 12/31/25; (iii) 3,774 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; and (iv) 4,284 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27."}],"balance_after":10056.75,"derivative":{"underlying":"Common 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reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2024."}],"balance_after":1814.43,"source":{"system":"sec-edgar","filing":"0001628280-25-006864","document":"wk-form4_1740089922.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025006864/wk-form4_1740089922.xml","form_type":"4"}},{"id":1256460,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common 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Stock","published_at":"2025-02-20T22:18:48.000Z","date":"2025-02-18","kind":"exercise","planned":true,"acquired":true,"shares":1096.75,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2764.43,"source":{"system":"sec-edgar","filing":"0001628280-25-006864","document":"wk-form4_1740089922.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828025006864/wk-form4_1740089922.xml","form_type":"4"}},{"id":1622969,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common 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Rights","published_at":"2024-02-21T22:20:33.000Z","date":"2024-02-16","kind":"exercise","planned":true,"acquired":false,"shares":619,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Shares issued upon vesting of RSRs granted under the Long-Term Incentive Stock Plan (\"LTISP\") on 2/16/21 that vested on 2/16/24."}],"balance_after":2587,"derivative":{"underlying":"Common Stock","underlying_shares":619},"source":{"system":"sec-edgar","filing":"0001628280-24-005977","document":"wk-form4_1708554015.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005977/wk-form4_1708554015.xml","form_type":"4"}},{"id":1629959,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common 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Stock","published_at":"2024-02-21T22:20:33.000Z","date":"2024-02-16","kind":"sale","planned":true,"acquired":false,"shares":1273,"price":450.37,"value":573321.01,"ownership":{"direct":true},"balance_after":2734.68,"source":{"system":"sec-edgar","filing":"0001628280-24-005977","document":"wk-form4_1708554015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005977/wk-form4_1708554015.xml","form_type":"4"}},{"id":1629957,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2024-02-21T22:20:33.000Z","date":"2024-02-16","kind":"tax_withholding","planned":true,"acquired":false,"shares":263,"price":450.96,"value":118602.48,"ownership":{"direct":true},"balance_after":4007.68,"source":{"system":"sec-edgar","filing":"0001628280-24-005977","document":"wk-form4_1708554015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005977/wk-form4_1708554015.xml","form_type":"4"}},{"id":1629956,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common 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Rights","published_at":"2024-02-16T19:21:21.000Z","date":"2024-02-14","kind":"exercise","planned":false,"acquired":false,"shares":1919.01,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."}],"balance_after":5701,"derivative":{"underlying":"Common Stock","underlying_shares":1919.01},"source":{"system":"sec-edgar","filing":"0001628280-24-005304","document":"wk-form4_1708111269.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005304/wk-form4_1708111269.xml","form_type":"4"}},{"id":1638811,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Restricted Performance Stock Rights","published_at":"2024-02-16T19:21:21.000Z","date":"2024-02-14","kind":"grant","planned":false,"acquired":true,"shares":4332.01,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"shares","element":"transactionShares","label":"F3","text":"The RPSRs acquired include (i) 558.01 vested RPSRs with respect to the measurement period ended 12/31/23 acquired due to settlement of the RPSRs granted under the LTISP on 2/16/21 that resulted in settlement at 141% of the target award; and (ii) 3,774 unvested RPSRs granted under the LTISP on 2/14/24 with a measurement period ending on 12/31/26. A total of 1,919.01 shares were issued in settlement of the 2021 RPSRs with a measurement period that ended 12/31/23, and the target award amount of 1,361 RPSRs was previously reported on Form 3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each Restricted Performance Stock Right (\"RPSR\") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock.  The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. 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The RSRs were granted under the Long-Term Incentive Stock Plan ('LTISP\") on 2/14/24 and will vest on 2/14/27."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock. The RSRs were granted under the Long-Term Incentive Stock Plan ('LTISP\") on 2/14/24 and will vest on 2/14/27."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Restricted Stock Right (\"RSR\") represents a contingent right to receive an equivalent number of shares in Issuer common stock, or, at the election of the Issuer's Compensation Committee, cash or a combination of cash and Issuer common stock. The RSRs were granted under the Long-Term Incentive Stock Plan ('LTISP\") on 2/14/24 and will vest on 2/14/27."}],"balance_after":3206,"derivative":{"underlying":"Common Stock","underlying_shares":1732},"source":{"system":"sec-edgar","filing":"0001628280-24-005304","document":"wk-form4_1708111269.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005304/wk-form4_1708111269.xml","form_type":"4"}},{"id":1638809,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2024-02-16T19:21:21.000Z","date":"2024-02-14","kind":"tax_withholding","planned":false,"acquired":false,"shares":646,"price":446.37,"value":288355.02,"ownership":{"direct":true},"balance_after":3651.68,"source":{"system":"sec-edgar","filing":"0001628280-24-005304","document":"wk-form4_1708111269.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005304/wk-form4_1708111269.xml","form_type":"4"}},{"id":1638808,"issuer":{"id":2963,"kind":"organization","name":"NORTHROP GRUMMAN CORP /DE/"},"owners":[{"id":63508,"kind":"person","name":"Simpson Kathryn G","position":1,"cik":"0001986485","reported_name":"Simpson Kathryn G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Corp VP & General Counsel"}}],"security":"Common Stock","published_at":"2024-02-16T19:21:21.000Z","date":"2024-02-14","kind":"exercise","planned":false,"acquired":true,"shares":1919.01,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":4297.68,"source":{"system":"sec-edgar","filing":"0001628280-24-005304","document":"wk-form4_1708111269.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133421/000162828024005304/wk-form4_1708111269.xml","form_type":"4"}}]}