Company / CIK 0001133421
NORTHROP GRUMMAN CORP /DE/
- Ticker
- NOC
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 18
- Members of Congress who traded it
- 5
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 30, 2026
NORTHROP GRUMMAN CORP /DE/ (NOC) has 18 insiders on file who disclosed 142 transactions in the last 12 months (0 open-market buys, 76 sales, about $50.3M at reported prices), and 5 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
NORTHROP GRUMMAN CORP /DE/ in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in NORTHROP GRUMMAN CORP /DE/ over the last 12 months; the most active is Warden Kathy J with $34M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Brown Marianne Catherine | Director | 6 | 0 | 0 | October 5, 2026 |
| Turley James S | Director | 1 | 0 | 0 | October 2, 2026 |
| KRISHNA ARVIND | Director | 6 | 0 | 0 | October 1, 2026 |
| Warden Kathy J | Chair, CEO and President | 18 | 0 | 11 | August 21, 2026 |
| WELSH MARK A III | Director | 41 | 0 | 40 | August 4, 2026 |
| WINSTON MARY A | Director | 1 | 0 | 0 | June 12, 2026 |
| ABNEY DAVID P | Director | 1 | 0 | 0 | June 2, 2026 |
| SCHOEWE THOMAS M | Director | 1 | 0 | 0 | May 21, 2026 |
| ROUGHEAD GARY | Director | 1 | 0 | 0 | May 21, 2026 |
| Ross Kimberly A. | Director | 1 | 0 | 0 | May 21, 2026 |
| Grady Christopher W. | Director | 2 | 0 | 0 | May 21, 2026 |
| Simpson Kathryn G | Corp VP & General Counsel | 11 | 0 | 5 | March 3, 2026 |
| ROEDER ROSHAN S | CVP & Pres. Mission Systems | 15 | 0 | 7 | March 2, 2026 |
| Hardesty Michael A | Corp VP, Controller & CAO | 12 | 0 | 6 | February 20, 2026 |
| Fleming Robert J. | CVP and Pres. Space Systems | 8 | 0 | 2 | February 19, 2026 |
| Davies Benjamin R. | CVP & Pres. Defense Systems | 9 | 0 | 3 | February 19, 2026 |
| Jones Thomas H | CVP & Pres Aeronautics Systems | 8 | 0 | 2 | February 19, 2026 |
| Greene John | CVP & Chief Financial Officer | 2 | 0 | 0 | February 13, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded NOC
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the NOC page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Alan Armstrong | Senator (OK), Republican | 1 | 1 | 0 | $1,001–$15K | March 27, 2026 |
| Steve Cohen | Representative (TN, District 9), Democrat | 1 | 0 | 1 | $15K–$50K | December 29, 2025 |
| Val T. Hoyle | Representative (OR, District 4), Democrat | 1 | 0 | 1 | $1,001–$15K | September 23, 2025 |
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 1 | 0 | 1 | $1,001–$15K | September 5, 2025 |
| Sheri Biggs | Representative (SC, District 3), Republican | 1 | 0 | 1 | $15K–$50K | March 19, 2025 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Brown Marianne Catherine | NOC | Other A | September 30, 2026 | October 1, 2026 | 1d | 96 | $483 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | NOC | Other A | September 30, 2026 | October 1, 2026 | 1d | 75 | $483 | $36K | Form 4 ↗ | ||
| Warden Kathy J | NOC | Other A | August 19, 2026 | August 21, 2026 | 2d | 35,910 | — | — | derivative | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 4 | $554 | $2,217 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 2 | $554 | $1,108 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 2 | $553 | $1,106 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 2 | $551 | $1,101 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 6 | $550 | $3,297 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 10 | $548 | $5,483 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 31 | $547 | $17K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 11 | $546 | $6,011 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 19 | $546 | $10K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | August 3, 2026 | August 4, 2026 | 1d | 8 | $545 | $4,356 | 10b5-1 plan | Form 4 ↗ | |
| KRISHNA ARVIND | NOC | Other A | June 30, 2026 | July 1, 2026 | 1d | 71 | $509 | $36K | Form 4 ↗ | ||
| Brown Marianne Catherine | NOC | Other A | June 30, 2026 | July 1, 2026 | 1d | 91 | $509 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Grady Christopher W. | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Brown Marianne Catherine | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| ABNEY DAVID P | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Ross Kimberly A. | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| ROUGHEAD GARY | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| SCHOEWE THOMAS M | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Turley James S | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| WELSH MARK A III | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| WINSTON MARY A | NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 1 | $577 | $577 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 7 | $576 | $4,035 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 4 | $576 | $2,302 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 2 | $575 | $1,149 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 14 | $574 | $8,029 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 6 | $573 | $3,436 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 3 | $572 | $1,715 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 43 | $570 | $25K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 9 | $569 | $5,125 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 5 | $569 | $2,844 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | May 4, 2026 | May 5, 2026 | 1d | 1 | $567 | $567 | 10b5-1 plan | Form 4 ↗ | |
| Brown Marianne Catherine | NOC | Other A | March 31, 2026 | April 2, 2026 | 2d | 68 | $682 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | NOC | Other A | March 31, 2026 | April 2, 2026 | 2d | 53 | $682 | $36K | Form 4 ↗ | ||
| Simpson Kathryn G | NOC | Sell S | March 2, 2026 | March 3, 2026 | 1d | 873 | $745 | $650K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Sell S | February 27, 2026 | March 2, 2026 | 3d | 1,754 | $720 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Simpson Kathryn G | NOC | Sell S | February 19, 2026 | February 20, 2026 | 1d | 194 | $728 | $141K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Sell S | February 19, 2026 | February 20, 2026 | 1d | 512 | $728 | $373K | 10b5-1 plan | Form 4 ↗ | |
| Hardesty Michael A | NOC | Sell S | February 19, 2026 | February 20, 2026 | 1d | 147 | $733 | $108K | Form 4 ↗ | ||
| Grady Christopher W. | NOC | Other A | February 12, 2026 | February 19, 2026 | 7d | 71 | $695 | $49K | late | Form 4 ↗ | |
| Davies Benjamin R. | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 274 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | NOC | Sell S | February 18, 2026 | February 19, 2026 | 1d | 2,189 | $720 | $1.6M | Form 4 ↗ | ||
| Davies Benjamin R. | NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 123 | $701 | $86K | Form 4 ↗ | ||
| Davies Benjamin R. | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 274 | — | — | Form 4 ↗ | ||
| Fleming Robert J. | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 264 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 85 | $701 | $60K | Form 4 ↗ | ||
| Fleming Robert J. | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 264 | — | — | Form 4 ↗ | ||
| Hardesty Michael A | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 538 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | NOC | Sell S | February 17, 2026 | February 19, 2026 | 2d | 716 | $701 | $502K | Form 4 ↗ | ||
| Hardesty Michael A | NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 243 | $701 | $170K | Form 4 ↗ | ||
| Hardesty Michael A | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 538 | — | — | Form 4 ↗ | ||
| Jones Thomas H | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,152 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 1,005 | $701 | $705K | Form 4 ↗ | ||
| Jones Thomas H | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,152 | — | — | Form 4 ↗ | ||
| Warden Kathy J | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 10,760 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 4,857 | $701 | $3.4M | Form 4 ↗ | ||
| Warden Kathy J | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 10,760 | — | — | Form 4 ↗ | ||
| Simpson Kathryn G | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 387 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Simpson Kathryn G | NOC | Sell S | February 17, 2026 | February 19, 2026 | 2d | 779 | $703 | $547K | 10b5-1 plan | Form 4 ↗ | |
| Simpson Kathryn G | NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 193 | $701 | $135K | 10b5-1 plan | Form 4 ↗ | |
| Simpson Kathryn G | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 387 | — | — | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,017 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Sell S | February 17, 2026 | February 19, 2026 | 2d | 318 | $703 | $223K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 992 | $701 | $696K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,017 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Hardesty Michael A | NOC | Sell S | February 13, 2026 | February 17, 2026 | 4d | 1 | $703 | $408 | Form 4 ↗ | ||
| Hardesty Michael A | NOC | Sell S | February 13, 2026 | February 17, 2026 | 4d | 783 | $702 | $550K | Form 4 ↗ | ||
| Hardesty Michael A | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,727 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 379 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,382 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 566 | $679 | $384K | Form 4 ↗ | ||
| Hardesty Michael A | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,727 | — | — | Form 4 ↗ | ||
| Jones Thomas H | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,910 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 5,927 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 3,059 | $679 | $2.1M | Form 4 ↗ | ||
| Jones Thomas H | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,910 | — | — | Form 4 ↗ | ||
| Simpson Kathryn G | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,335 | — | — | derivative | Form 4 ↗ | |
| Simpson Kathryn G | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,471 | — | — | derivative | Form 4 ↗ | |
| Simpson Kathryn G | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 3,620 | — | — | derivative | Form 4 ↗ | |
| Simpson Kathryn G | NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 461 | $679 | $313K | Form 4 ↗ | ||
| Simpson Kathryn G | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,335 | — | — | Form 4 ↗ | ||
| Warden Kathy J | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 34,546 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 8,113 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 28,785 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 15,371 | $679 | $10.4M | Form 4 ↗ | ||
| Warden Kathy J | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 34,546 | — | — | Form 4 ↗ | ||
| Greene John | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 5,362 | — | — | derivative | Form 4 ↗ | |
| Greene John | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 4,981 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 3,158 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 4,710 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 1,214 | $679 | $824K | Form 4 ↗ | ||
| Davies Benjamin R. | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 3,158 | — | — | Form 4 ↗ | ||
| Fleming Robert J. | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 913 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 3,982 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 300 | $679 | $204K | Form 4 ↗ | ||
| Fleming Robert J. | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 913 | — | — | Form 4 ↗ | ||
| ROEDER ROSHAN S | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,476 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 5,786 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 2,968 | $679 | $2.0M | Form 4 ↗ | ||
| ROEDER ROSHAN S | NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,476 | — | — | Form 4 ↗ | ||
| Warden Kathy J | NOC | Sell S | February 6, 2026 | February 10, 2026 | 4d | 1,306 | $711 | $929K | Form 4 ↗ | ||
| Warden Kathy J | NOC | Sell S | February 6, 2026 | February 10, 2026 | 4d | 3,552 | $710 | $2.5M | Form 4 ↗ | ||
| Warden Kathy J | NOC | Sell S | February 6, 2026 | February 10, 2026 | 4d | 5,734 | $709 | $4.1M | Form 4 ↗ | ||
| Warden Kathy J | NOC | Sell S | February 6, 2026 | February 10, 2026 | 4d | 2,303 | $709 | $1.6M | Form 4 ↗ | ||
| Warden Kathy J | NOC | Sell S | February 6, 2026 | February 10, 2026 | 4d | 4,695 | $707 | $3.3M | Form 4 ↗ | ||
| Warden Kathy J | NOC | Sell S | February 6, 2026 | February 10, 2026 | 4d | 2,196 | $707 | $1.6M | Form 4 ↗ | ||
| Warden Kathy J | NOC | Sell S | February 6, 2026 | February 10, 2026 | 4d | 214 | $706 | $151K | Form 4 ↗ | ||
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 5 | $689 | $3,447 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 10 | $689 | $6,885 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 8 | $688 | $5,501 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 11 | $686 | $7,551 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 10 | $685 | $6,853 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 7 | $685 | $4,793 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 6 | $684 | $4,103 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 22 | $682 | $15K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 8 | $682 | $5,453 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 4 | $680 | $2,722 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 2 | $677 | $1,355 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | February 2, 2026 | February 3, 2026 | 1d | 2 | $676 | $1,352 | 10b5-1 plan | Form 4 ↗ | |
| Warden Kathy J | NOC | Sell S | January 6, 2026 | January 7, 2026 | 1d | 3,000 | $615 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| Warden Kathy J | NOC | Sell S | January 5, 2026 | January 7, 2026 | 2d | 7,000 | $600 | $4.2M | 10b5-1 plan | Form 4 ↗ | |
| KRISHNA ARVIND | NOC | Other A | December 31, 2025 | January 5, 2026 | 5d | 64 | $570 | $36K | late | Form 4 ↗ | |
| Brown Marianne Catherine | NOC | Other A | December 31, 2025 | January 5, 2026 | 5d | 81 | $570 | $46K | late | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Sell S | December 9, 2025 | December 11, 2025 | 2d | 84 | $555 | $47K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Option / conversion M | December 5, 2025 | December 8, 2025 | 3d | 328 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | NOC | Sell F | December 5, 2025 | December 8, 2025 | 3d | 159 | $549 | $87K | Form 4 ↗ | ||
| ROEDER ROSHAN S | NOC | Option / conversion M | December 5, 2025 | December 8, 2025 | 3d | 328 | — | — | Form 4 ↗ | ||
| WELSH MARK A III | NOC | Sell S | November 24, 2025 | November 25, 2025 | 1d | 1 | $566 | $566 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | November 24, 2025 | November 25, 2025 | 1d | 12 | $565 | $6,784 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | November 24, 2025 | November 25, 2025 | 1d | 61 | $564 | $34K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | November 24, 2025 | November 25, 2025 | 1d | 9 | $564 | $5,073 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | November 24, 2025 | November 25, 2025 | 1d | 7 | $563 | $3,938 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | November 24, 2025 | November 25, 2025 | 1d | 6 | $562 | $3,369 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | NOC | Sell S | November 24, 2025 | November 25, 2025 | 1d | 1 | $560 | $560 | 10b5-1 plan | Form 4 ↗ | |
| Brown Marianne Catherine | NOC | Other A | September 30, 2025 | October 1, 2025 | 1d | 76 | $609 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | NOC | Other A | September 30, 2025 | October 1, 2025 | 1d | 59 | $609 | $36K | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "NORTHROP GRUMMAN CORP /DE/". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "NORTHROP GRUMMAN CORP /DE/" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded NOC, by number of filers in common. It shows overlap in public filings and nothing else.
- SCHWAB CHARLES CORP SCHW 5 filers in common
- Merck & Co., Inc. MRK 5 filers in common
- Apple Inc. AAPL 4 filers in common
- PROGRESSIVE CORP/OH/ PGR 4 filers in common
- MICROSOFT CORP MSFT 4 filers in common
- INTERNATIONAL BUSINESS MACHINES CORP IBM 4 filers in common
- CISCO SYSTEMS, INC. CSCO 4 filers in common
- COMCAST CORP CMCSA 4 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 4 | 4 | October 5, 2025 | January 26, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 1 | July 21, 2026 | July 21, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 51 | 144 | October 1, 2025 | October 1, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.