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NORTHROP GRUMMAN CORP /DE/

NOC · Search, Detection, Navigation, Guidance, Aeronautical Sys · 142.0M shares · -3%/yr ↓ buyback · EDGAR filings ↗
Net buyback after stock comp: $1.4B (gross $1.5B, SBC $87M)

Reference price $566.60 · est. market cap ~$80.5B — last insider sale, 2026-05-04 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

B78

Defense prime with strong returns and $3.3B of free cash flow; low margins and leverage are structural.

Strengths

Risks

Notable findings

Quarterly revenue

2025-06-30 · $10.4B2025-09-30 · $10.4B2025-12-31 · $11.7B2026-03-31 · $9.9B

Last 4 quarters · from SEC filings.

Key metrics

Operating margin
10.8%
Net margin
10.0%
Return on equity
25.1%
Return on assets
8.1%
ROIC
11.2%
Revenue growth (QoQ)
-15.6%
Net-income growth
0.2%
Debt / equity
0.9×
Net debt / EBITDA
1.8×
Current ratio
1.1×
Free cash flow
$3.3B
EBITDA
$6.0B
Tangible book value
-$971M
Cash & investments
$4.4B
Stock comp / revenue
0.3%

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-05-20WELSH MARK A IIIGrant349$552.17
2026-05-20WINSTON MARY AGrant349$552.17
2026-05-20Turley James SGrant349$552.17
2026-05-20SCHOEWE THOMAS MGrant349$552.17
2026-05-20ROUGHEAD GARYGrant349$552.17
2026-05-20Ross Kimberly A.Grant349$552.17
2026-05-20KRISHNA ARVINDGrant349$552.17
2026-05-20Grady Christopher W.Grant349$552.17
2026-05-20Brown Marianne CatherineGrant349$552.17
2026-05-20ABNEY DAVID PGrant349$552.17
2026-05-04WELSH MARK A IIISell1$566.60
2026-05-04WELSH MARK A IIISell5$568.75
2026-05-04WELSH MARK A IIISell9$569.49
2026-05-04WELSH MARK A IIISell43$570.47
2026-05-04WELSH MARK A IIISell3$571.74
2026-05-04WELSH MARK A IIISell6$572.72
2026-05-04WELSH MARK A IIISell14$573.51
2026-05-04WELSH MARK A IIISell2$574.51
2026-05-04WELSH MARK A IIISell4$575.59
2026-05-04WELSH MARK A IIISell7$576.38
2026-05-04WELSH MARK A IIISell1$577.05
2026-03-31Brown Marianne CatherineGrant68$682.24
2026-03-31KRISHNA ARVINDGrant53$682.24
2026-03-02Simpson Kathryn GSell873$745.00
2026-02-27ROEDER ROSHAN SSell1.8K$720.00
2026-02-19ROEDER ROSHAN SSell512$727.62
2026-02-19Hardesty Michael ASell147$732.98
2026-02-19Simpson Kathryn GSell194$727.62
2026-02-18Davies Benjamin R.Sell2.2K$719.61
2026-02-17Fleming Robert J.Tax withheld85$701.12
2026-02-17Hardesty Michael AOption exercise538
2026-02-17Hardesty Michael ATax withheld243$701.12
2026-02-17Hardesty Michael ASell716$700.63
2026-02-17Jones Thomas HOption exercise2.2K
2026-02-17Davies Benjamin R.Option exercise274
2026-02-17Davies Benjamin R.Tax withheld123$701.12
2026-02-17Fleming Robert J.Option exercise264
2026-02-17ROEDER ROSHAN SOption exercise2.0K
2026-02-17ROEDER ROSHAN STax withheld992$701.12
2026-02-17ROEDER ROSHAN SSell318$702.56
2026-02-17Jones Thomas HTax withheld1.0K$701.12
2026-02-17Warden Kathy JOption exercise11K
2026-02-17Warden Kathy JTax withheld4.9K$701.12
2026-02-17Simpson Kathryn GOption exercise387
2026-02-17Simpson Kathryn GTax withheld193$701.12
2026-02-17Simpson Kathryn GSell779$702.56
2026-02-13Hardesty Michael ASell783$702.43
2026-02-13Hardesty Michael ASell1$703.21
2026-02-12Grady Christopher W.Grant71$695.06
2026-02-11Warden Kathy JOption exercise35K
2026-02-11Hardesty Michael AOption exercise1.7K
2026-02-11Hardesty Michael ATax withheld566$678.83
2026-02-11Jones Thomas HOption exercise6.9K
2026-02-11Jones Thomas HTax withheld3.1K$678.83
2026-02-11Simpson Kathryn GOption exercise1.3K
2026-02-11Simpson Kathryn GTax withheld461$678.83
2026-02-11Warden Kathy JTax withheld15K$678.83
2026-02-11Davies Benjamin R.Option exercise3.2K
2026-02-11Davies Benjamin R.Tax withheld1.2K$678.83
2026-02-11Fleming Robert J.Option exercise913
2026-02-11Fleming Robert J.Tax withheld300$678.83
2026-02-11ROEDER ROSHAN SOption exercise6.5K
2026-02-11ROEDER ROSHAN STax withheld3.0K$678.83
2026-02-06Warden Kathy JSell5.7K$709.49
2026-02-06Warden Kathy JSell3.6K$710.36
2026-02-06Warden Kathy JSell1.3K$711.14
2026-02-06Warden Kathy JSell214$705.84
2026-02-06Warden Kathy JSell2.2K$706.65
2026-02-06Warden Kathy JSell4.7K$707.45
2026-02-06Warden Kathy JSell2.3K$708.63
2026-02-02WELSH MARK A IIISell7$684.67
2026-02-02WELSH MARK A IIISell10$685.33
2026-02-02WELSH MARK A IIISell11$686.43
2026-02-02WELSH MARK A IIISell8$687.64
2026-02-02WELSH MARK A IIISell5$689.31
2026-02-02WELSH MARK A IIISell10$688.51
2026-02-02WELSH MARK A IIISell2$676.14
2026-02-02WELSH MARK A IIISell2$677.43
2026-02-02WELSH MARK A IIISell4$680.49
2026-02-02WELSH MARK A IIISell8$681.68
2026-02-02WELSH MARK A IIISell22$682.47
2026-02-02WELSH MARK A IIISell6$683.79
2026-01-06Warden Kathy JSell3.0K$615.00
2026-01-05Warden Kathy JSell7.0K$600.00
2025-12-31KRISHNA ARVINDGrant64$570.21
2025-12-31Brown Marianne CatherineGrant81$570.21
2025-12-09ROEDER ROSHAN SSell84$555.35
2025-12-05ROEDER ROSHAN STax withheld159$548.97
2025-12-05ROEDER ROSHAN SOption exercise328
2025-11-24WELSH MARK A IIISell6$561.51
2025-11-24WELSH MARK A IIISell7$562.52
2025-11-24WELSH MARK A IIISell9$563.62
2025-11-24WELSH MARK A IIISell61$564.36
2025-11-24WELSH MARK A IIISell1$566.15
2025-11-24WELSH MARK A IIISell12$565.31
2025-11-24WELSH MARK A IIISell1$560.39
2025-09-30Brown Marianne CatherineGrant76$609.32
2025-09-30KRISHNA ARVINDGrant59$609.32
2025-07-17Jones Thomas HSell729$525.00
2025-07-07WELSH MARK A IIISell1$503.59
2025-07-07WELSH MARK A IIISell3$507.25
2025-07-07WELSH MARK A IIISell21$506.36
2025-07-07WELSH MARK A IIISell5$508.17
2025-07-07WELSH MARK A IIISell1$509.59
2025-07-07WELSH MARK A IIISell2$505.44
2025-06-30Brown Marianne CatherineGrant93$499.98
2025-06-30KRISHNA ARVINDGrant73$499.98
2025-06-16Jones Thomas HGift616
2025-06-13Warden Kathy JSell7.5K$505.77
2025-06-13Fleming Robert J.Sell3.5K$505.77
2025-06-13Jones Thomas HSell729$505.77
2025-06-12Warden Kathy JSell3.8K$495.00
2025-06-05WELSH MARK A IIISell3$486.43
2025-06-05WELSH MARK A IIISell1$485.67
2025-06-05WELSH MARK A IIISell6$487.37
2025-06-05WELSH MARK A IIISell16$488.88
2025-06-05WELSH MARK A IIISell3$489.26
2025-06-05WELSH MARK A IIISell3$490.13
2025-06-05WELSH MARK A IIISell1$491.07
2025-06-04ROEDER ROSHAN SSell991$490.00
2025-05-30Jones Thomas HSell729$480.00
2025-05-21Ross Kimberly A.Grant385$473.90
2025-05-21WELSH MARK A IIIGrant385$473.90
2025-05-21Turley James SGrant385$473.90
2025-05-21SCHOEWE THOMAS MGrant385$473.90
2025-05-21ROUGHEAD GARYGrant385$473.90
2025-05-21KRISHNA ARVINDGrant385$473.90
2025-05-21KLEINER MADELEINEGrant385$473.90
2025-05-21FUDGE ANN MGrant385$473.90
2025-05-21Brown Marianne CatherineGrant385$473.90
2025-05-21ABNEY DAVID PGrant385$473.90
2025-05-21WINSTON MARY AGrant385$473.90
2025-05-05WELSH MARK A IIISell1$489.64
2025-05-05WELSH MARK A IIISell1$490.28
2025-05-05WELSH MARK A IIISell3$491.47
2025-05-05WELSH MARK A IIISell2$492.79
2025-05-05WELSH MARK A IIISell10$493.60
2025-05-05WELSH MARK A IIISell13$494.64
2025-05-05WELSH MARK A IIISell3$495.53
2025-04-07WELSH MARK A IIISell1$474.60
2025-04-07WELSH MARK A IIISell1$475.46
2025-04-07WELSH MARK A IIISell5$476.28
2025-04-07WELSH MARK A IIISell2$477.49
2025-04-07WELSH MARK A IIISell4$478.51
2025-04-07WELSH MARK A IIISell1$479.93
2025-04-07WELSH MARK A IIISell7$480.56
2025-04-07WELSH MARK A IIISell2$481.51
2025-04-07WELSH MARK A IIISell2$482.69
2025-04-07WELSH MARK A IIISell6$483.42
2025-04-07WELSH MARK A IIISell1$484.55
2025-04-07WELSH MARK A IIISell1$492.12
2025-03-31Robinson GrahamGrant43$512.01
2025-03-31KRISHNA ARVINDGrant71$512.01
2025-03-31Brown Marianne CatherineGrant90$512.01
2025-03-06Warden Kathy JSell3.8K$475.65
2025-03-05WELSH MARK A IIISell2$467.74
2025-03-05WELSH MARK A IIISell3$468.10
2025-03-05WELSH MARK A IIISell1$469.54
2025-03-05WELSH MARK A IIISell2$470.90
2025-03-05WELSH MARK A IIISell3$471.21
2025-03-05WELSH MARK A IIISell1$473.50
2025-03-05WELSH MARK A IIISell14$475.19
2025-03-05WELSH MARK A IIISell4$476.38
2025-03-05WELSH MARK A IIISell2$477.39
2025-03-05WELSH MARK A IIISell1$479.50
2025-02-28Davies Benjamin R.Sell464$460.75
2025-02-24Hardesty Michael ASell1.9K$453.58
2025-02-20Simpson Kathryn GSell1.0K$429.08
2025-02-20Davies Benjamin R.Sell192$429.08
2025-02-18Warden Kathy JOption exercise27K
2025-02-18Warden Kathy JTax withheld12K$441.36
2025-02-18Warden Kathy JOption exercise12K
2025-02-18Warden Kathy JTax withheld4.9K$441.36
2025-02-18Simpson Kathryn GOption exercise1.1K
2025-02-18Simpson Kathryn GTax withheld366$441.36
2025-02-18Simpson Kathryn GOption exercise468
2025-02-18Simpson Kathryn GTax withheld163$441.36
2025-02-18Simpson Kathryn GSell889$445.35
2025-02-18ROEDER ROSHAN SOption exercise685
2025-02-18ROEDER ROSHAN STax withheld229$441.36
2025-02-18ROEDER ROSHAN SOption exercise292
2025-02-18ROEDER ROSHAN STax withheld104$441.36
2025-02-18Jones Thomas HOption exercise5.8K
2025-02-18Jones Thomas HTax withheld2.9K$441.36
2025-02-18Jones Thomas HOption exercise2.5K
2025-02-18Jones Thomas HTax withheld915$441.36
2025-02-18Hardesty Michael AOption exercise1.5K
2025-02-18Hardesty Michael ATax withheld463$441.36
2025-02-18Hardesty Michael AOption exercise655
2025-02-18Hardesty Michael ATax withheld209$441.36
2025-02-18Fleming Robert J.Option exercise621
2025-02-18Fleming Robert J.Tax withheld210$441.36
2025-02-18Fleming Robert J.Option exercise265
2025-02-18Fleming Robert J.Tax withheld96$441.36
2025-02-18Davies Benjamin R.Option exercise685
2025-02-18Davies Benjamin R.Tax withheld220$441.36
2025-02-18Davies Benjamin R.Option exercise292
2025-02-18Davies Benjamin R.Tax withheld100$441.36
2025-02-18Davies Benjamin R.Sell293$445.35
2025-02-18Crews Kenneth B.Option exercise594
2025-02-18Crews Kenneth B.Tax withheld184$441.36
2025-02-18Crews Kenneth B.Option exercise253
2025-02-18Crews Kenneth B.Tax withheld84$441.36
2025-02-05WELSH MARK A IIISell3$474.83
2025-02-05WELSH MARK A IIISell3$475.66
2025-02-05WELSH MARK A IIISell3$476.40
2025-02-05WELSH MARK A IIISell2$477.50
2025-02-05WELSH MARK A IIISell3$478.33
2025-02-05WELSH MARK A IIISell2$479.55
2025-02-05WELSH MARK A IIISell1$480.06
2025-02-05WELSH MARK A IIISell2$481.34
2025-02-05WELSH MARK A IIISell4$482.21
2025-02-05WELSH MARK A IIISell4$483.48
2025-02-05WELSH MARK A IIISell5$484.37
2025-02-05WELSH MARK A IIISell1$485.43
2025-01-06WELSH MARK A IIISell14$454.26
2025-01-06WELSH MARK A IIISell1$455.31
2025-01-06WELSH MARK A IIISell3$456.65
2025-01-06WELSH MARK A IIISell3$457.54
2025-01-06WELSH MARK A IIISell5$458.60
2025-01-06WELSH MARK A IIISell4$459.34
2025-01-06WELSH MARK A IIISell2$460.21
2025-01-06WELSH MARK A IIISell1$463.99
2024-12-31Brown Marianne CatherineGrant99$469.29
2024-12-31KRISHNA ARVINDGrant77$469.29
2024-12-31Robinson GrahamGrant46$469.29

All non-derivative Form 4 activity (SEC), newest first.

Supply chain

Named in the 10-K; linked when we track them.

Notable events (8-K)

DateItems
2026-05-21Shareholder votefiling ↗
2026-04-21ResultsExhibitsfiling ↗
2026-02-13Exec/director changeExhibitsfiling ↗
2026-01-27ResultsExhibitsfiling ↗
2025-11-06Exec/director changeExhibitsfiling ↗
2025-10-21ResultsExhibitsfiling ↗
2025-09-02Material agreementExhibitsfiling ↗
2025-07-22ResultsExhibitsfiling ↗

Recent filings

FormFiledPeriodAccession
8-K2026-05-212026-05-200001628280-26-037375 ↗
8-K2026-04-212026-04-210001133421-26-000015 ↗
10-Q2026-04-212026-03-310001133421-26-000016 ↗
8-K2026-02-132026-02-110001628280-26-008140 ↗
10-K2026-01-272025-12-310001133421-26-000003 ↗
8-K2026-01-272026-01-270001133421-26-000002 ↗
8-K2025-11-062025-11-030001628280-25-050297 ↗
10-Q2025-10-212025-09-300001133421-25-000053 ↗
8-K2025-10-212025-10-210001133421-25-000052 ↗
8-K2025-09-022025-09-020001193125-25-193991 ↗
10-Q2025-07-222025-06-300001133421-25-000049 ↗
8-K2025-07-222025-07-220001133421-25-000047 ↗