NORTHROP GRUMMAN CORP /DE/ (NOC)
S&P 500XNYSSEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL SYSNet insider selling (90d)Watch NOC
$546.00+$0.44 (+0.08%) Today
Northrop Grumman is a diversified defense contractor providing aeronautics, defense, and space systems. The company's aerospace segment produces autonomous and piloted aircraft such as Global Hawk drones and the new B-21 bomber, creates the fuselage for the massive F-35 program, and maintains and upgrades numerous other military aircraft. Defense systems makes artillery and missile ammunition and guidance systems, long-range missiles, and missile defense systems. Mission systems creates and integrates a variety of radar, navigation, and communication systems for avionics, weapons control, and countermeasures on a range of platforms from helicopters to destroyers. Space systems produces satellites, sensors, space structures, and rocket motors.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 10 | 95 | $52K |
| Grant or award | 3 | 36,072 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
77 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Kathy J. Warden - Officer | Grant or award | Market Stock Units | 35,910 | $0.00 | - | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 8 | $544.53 | $4K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 19 | $545.59 | $10K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 11 | $546.42 | $6K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 31 | $547.42 | $17K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 10 | $548.32 | $5K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 6 | $549.50 | $3K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 2 | $550.68 | $1K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 2 | $552.95 | $1K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 2 | $553.90 | $1K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 4 | $554.14 | $2K | |
 Marianne Catherine Brown - Director | Grant or award | Common Stock | 91 | $509.31 | $46K | |
 Arvind Krishna - Director | Grant or award | Common Stock | 71 | $509.31 | $36K | |
| Mary A. Winston - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| Mark A. Welsh III - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| James S. Turley - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| Thomas M. Schoewe - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| Gary Roughead - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| Kimberly A. Ross - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| Arvind Krishna - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
 Christopher W. Grady - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| Marianne Catherine Brown - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| David P. Abney - Director | Grant or award | Common Stock | 349 | $552.17 | $193K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 1 | $566.60 | $567 | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 5 | $568.75 | $3K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 9 | $569.49 | $5K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 43 | $570.47 | $25K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 3 | $571.74 | $2K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 6 | $572.72 | $3K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 14 | $573.51 | $8K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 2 | $574.51 | $1K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 4 | $575.59 | $2K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 7 | $576.38 | $4K | |
| Mark A. Welsh III - Director | Open-market sale | Common Stock | 1 | $577.05 | $577 | |
| Marianne Catherine Brown - Director | Grant or award | Common Stock | 68 | $682.24 | $46K | |
| Arvind Krishna - Director | Grant or award | Common Stock | 53 | $682.24 | $36K | |
| Kathryn G. Simpson - Officer | Open-market sale | Common Stock | 873 | $745.00 | $650K | |
| Roshan S. Roeder - Officer | Open-market sale | Common Stock | 1,754 | $720.00 | $1.26M | |
| Kathryn G. Simpson - Officer | Open-market sale | Common Stock | 194 | $727.62 | $141K | |
| Roshan S. Roeder - Officer | Open-market sale | Common Stock | 512 | $727.62 | $373K | |
| Michael A. Hardesty - Officer | Open-market sale | Common Stock | 147 | $732.98 | $108K | |
| Christopher W. Grady - Director | Grant or award | Common Stock | 71 | $695.06 | $49K | |
| Benjamin R. Davies - Officer | Option exercise | Common Stock | 274 | $0.00 | - | |
| Benjamin R. Davies - Officer | Tax withholding / forfeiture | Common Stock | 123 | $701.12 | $86K | |
| Benjamin R. Davies - Officer | Open-market sale | Common Stock | 2,189 | $719.61 | $1.58M | |
| Benjamin R. Davies - Officer | Option exercise | Restricted Stock Rights | 274 | $0.00 | - | |
| Robert J. Fleming - Officer | Option exercise | Common Stock | 264 | $0.00 | - | |
| Robert J. Fleming - Officer | Tax withholding / forfeiture | Common Stock | 85 | $701.12 | $60K | |
| Robert J. Fleming - Officer | Option exercise | Restricted Stock Rights | 264 | $0.00 | - | |
| Michael A. Hardesty - Officer | Option exercise | Common Stock | 538 | $0.00 | - | |
| Michael A. Hardesty - Officer | Tax withholding / forfeiture | Common Stock | 243 | $701.12 | $170K | |
| Michael A. Hardesty - Officer | Open-market sale | Common Stock | 715.94 | $700.63 | $502K | |
| Michael A. Hardesty - Officer | Option exercise | Restricted Stock Rights | 538 | $0.00 | - | |
 Thomas H. Jones - Officer | Option exercise | Common Stock | 2,152 | $0.00 | - | |
| Thomas H. Jones - Officer | Tax withholding / forfeiture | Common Stock | 1,005 | $701.12 | $705K | |
| Thomas H. Jones - Officer | Option exercise | Restricted Stock Rights | 2,152 | $0.00 | - | |
| Kathy J. Warden - Officer | Option exercise | Common Stock | 10,760 | $0.00 | - | |
| Kathy J. Warden - Officer | Tax withholding / forfeiture | Common Stock | 4,857 | $701.12 | $3.41M | |
| Kathy J. Warden - Officer | Option exercise | Restricted Stock Rights | 10,760 | $0.00 | - | |
| Kathryn G. Simpson - Officer | Option exercise | Common Stock | 387 | $0.00 | - | |
| Kathryn G. Simpson - Officer | Tax withholding / forfeiture | Common Stock | 193 | $701.12 | $135K | |
| Kathryn G. Simpson - Officer | Open-market sale | Common Stock | 779 | $702.56 | $547K | |
| Kathryn G. Simpson - Officer | Option exercise | Restricted Stock Rights | 387 | $0.00 | - | |
| Roshan S. Roeder - Officer | Option exercise | Common Stock | 2,017 | $0.00 | - | |
| Roshan S. Roeder - Officer | Tax withholding / forfeiture | Common Stock | 992 | $701.12 | $696K | |
| Roshan S. Roeder - Officer | Open-market sale | Common Stock | 318 | $702.56 | $223K | |
| Roshan S. Roeder - Officer | Option exercise | Restricted Stock Rights | 2,017 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
NORTHROP GRUMMAN CORP /DE/ (NOC) had 4 insider filings in the last 90 days, with the most recent on 2026-08-21. The full record for NOC runs to 77 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of NOC were filed in the last 90 days.
10 insider sales of NOC were filed in the last 90 days, totaling $52K.
This page tracks NOC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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