Insider txns (12m)
142
Stock / equity
NOC NORTHROP GRUMMAN CORP /DE/
- Company
- NORTHROP GRUMMAN CORP /DE/
- Security
- Equity
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on record
- 18
- Members of Congress
- 5
- Latest trade on record
- September 30, 2026
NOC (NORTHROP GRUMMAN CORP /DE/) has 142 disclosed insider transactions from 18 insiders in the last 12 months (0 open-market buys, 76 sales, about $50.3M at reported prices) and 2 congressional trades from 2 members of Congress. The most recent disclosure was filed October 1, 2026.
Open-market buys / sales
0 / 76
Congress trades (12m)
2
Distinct filers (12m)
20
Share price
Price and chart by TradingView for NORTHROP GRUMMAN CORP /DE/. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
NOC 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 NOC over the last 12 months; the most active is Warden Kathy J with $34M.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
▲ Bought▼ SoldAverage reported price that day
Insiders reported 61 open-market trades in NOC since Nov 24, 2025, at prices from $545 to $745; the most recent was a sale at $545 on Aug 3, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
Brown Marianne CatherineKRISHNA ARVIND
Brown Marianne Catherine reported 11,706 shares held after the latest filing, against 10,836 at the first on record.
Insiders trading NOC
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns. Showing 15 of 18.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| WELSH MARK A III | Director | 41 | 0 | 40 | — | $226K | August 3, 2026 |
| Warden Kathy J | Chair, CEO and President | 18 | 0 | 11 | — | $34.1M | August 19, 2026 |
| ROEDER ROSHAN S | CVP & Pres. Mission Systems | 15 | 0 | 7 | — | $4.7M | February 27, 2026 |
| Hardesty Michael A | Corp VP, Controller & CAO | 12 | 0 | 6 | — | $1.7M | February 19, 2026 |
| Simpson Kathryn G | Corp VP & General Counsel | 11 | 0 | 5 | — | $1.8M | March 2, 2026 |
| Davies Benjamin R. | CVP & Pres. Defense Systems | 9 | 0 | 3 | — | $2.5M | February 18, 2026 |
| Fleming Robert J. | CVP and Pres. Space Systems | 8 | 0 | 2 | — | $263K | February 17, 2026 |
| Jones Thomas H | CVP & Pres Aeronautics Systems | 8 | 0 | 2 | — | $2.8M | February 17, 2026 |
| Brown Marianne Catherine | Director | 6 | 0 | 0 | — | — | September 30, 2026 |
| KRISHNA ARVIND | Director | 6 | 0 | 0 | — | — | September 30, 2026 |
| Grady Christopher W. | Director | 2 | 0 | 0 | — | — | May 20, 2026 |
| Greene John | CVP & Chief Financial Officer | 2 | 0 | 0 | — | — | February 11, 2026 |
| ABNEY DAVID P | Director | 1 | 0 | 0 | — | — | May 20, 2026 |
| Ross Kimberly A. | Director | 1 | 0 | 0 | — | — | May 20, 2026 |
| ROUGHEAD GARY | Director | 1 | 0 | 0 | — | — | May 20, 2026 |
What kind of transactions these are 4 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| S | Open-market sale | 61 | 38,732 | $26.4M |
| A | Grant or award | 38 | 121,508 | $2.4M |
| M | Option exercise or conversion | 30 | 143,573 | — |
| F | Shares withheld for tax | 15 | 31,596 | $21.6M |
What each code means: Form 4 transaction codes.
Members of Congress trading NOC
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| 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 | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Brown Marianne Catherine | Other A | September 30, 2026 | October 1, 2026 | 1d | 96 | $483 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | Other A | September 30, 2026 | October 1, 2026 | 1d | 75 | $483 | $36K | Form 4 ↗ | ||
| Warden Kathy J | Other A | August 19, 2026 | August 21, 2026 | 2d | 35,910 | — | — | derivative | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 4 | $554 | $2,217 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 2 | $554 | $1,108 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 2 | $553 | $1,106 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 2 | $551 | $1,101 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 6 | $550 | $3,297 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 10 | $548 | $5,483 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 31 | $547 | $17K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 11 | $546 | $6,011 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 19 | $546 | $10K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | August 3, 2026 | August 4, 2026 | 1d | 8 | $545 | $4,356 | 10b5-1 plan | Form 4 ↗ | |
| KRISHNA ARVIND | Other A | June 30, 2026 | July 1, 2026 | 1d | 71 | $509 | $36K | Form 4 ↗ | ||
| Brown Marianne Catherine | Other A | June 30, 2026 | July 1, 2026 | 1d | 91 | $509 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Grady Christopher W. | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Brown Marianne Catherine | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| ABNEY DAVID P | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Ross Kimberly A. | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| ROUGHEAD GARY | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| SCHOEWE THOMAS M | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| Turley James S | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| WELSH MARK A III | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| WINSTON MARY A | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ | ||
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 1 | $577 | $577 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 7 | $576 | $4,035 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 4 | $576 | $2,302 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 2 | $575 | $1,149 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 14 | $574 | $8,029 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 6 | $573 | $3,436 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 3 | $572 | $1,715 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 43 | $570 | $25K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 9 | $569 | $5,125 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 5 | $569 | $2,844 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | May 4, 2026 | May 5, 2026 | 1d | 1 | $567 | $567 | 10b5-1 plan | Form 4 ↗ | |
| Brown Marianne Catherine | Other A | March 31, 2026 | April 2, 2026 | 2d | 68 | $682 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | Other A | March 31, 2026 | April 2, 2026 | 2d | 53 | $682 | $36K | Form 4 ↗ | ||
| Simpson Kathryn G | Sell S | March 2, 2026 | March 3, 2026 | 1d | 873 | $745 | $650K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | Sell S | February 27, 2026 | March 2, 2026 | 3d | 1,754 | $720 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Simpson Kathryn G | Sell S | February 19, 2026 | February 20, 2026 | 1d | 194 | $728 | $141K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | Sell S | February 19, 2026 | February 20, 2026 | 1d | 512 | $728 | $373K | 10b5-1 plan | Form 4 ↗ | |
| Hardesty Michael A | Sell S | February 19, 2026 | February 20, 2026 | 1d | 147 | $733 | $108K | Form 4 ↗ | ||
| Grady Christopher W. | Other A | February 12, 2026 | February 19, 2026 | 7d | 71 | $695 | $49K | late | Form 4 ↗ | |
| Davies Benjamin R. | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 274 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | Sell S | February 18, 2026 | February 19, 2026 | 1d | 2,189 | $720 | $1.6M | Form 4 ↗ | ||
| Davies Benjamin R. | Sell F | February 17, 2026 | February 19, 2026 | 2d | 123 | $701 | $86K | Form 4 ↗ | ||
| Davies Benjamin R. | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 274 | — | — | Form 4 ↗ | ||
| Fleming Robert J. | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 264 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | Sell F | February 17, 2026 | February 19, 2026 | 2d | 85 | $701 | $60K | Form 4 ↗ | ||
| Fleming Robert J. | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 264 | — | — | Form 4 ↗ | ||
| Hardesty Michael A | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 538 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | Sell S | February 17, 2026 | February 19, 2026 | 2d | 716 | $701 | $502K | Form 4 ↗ | ||
| Hardesty Michael A | Sell F | February 17, 2026 | February 19, 2026 | 2d | 243 | $701 | $170K | Form 4 ↗ | ||
| Hardesty Michael A | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 538 | — | — | Form 4 ↗ | ||
| Jones Thomas H | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,152 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | Sell F | February 17, 2026 | February 19, 2026 | 2d | 1,005 | $701 | $705K | Form 4 ↗ | ||
| Jones Thomas H | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,152 | — | — | Form 4 ↗ | ||
| Warden Kathy J | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 10,760 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | Sell F | February 17, 2026 | February 19, 2026 | 2d | 4,857 | $701 | $3.4M | Form 4 ↗ | ||
| Warden Kathy J | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 10,760 | — | — | Form 4 ↗ | ||
| Simpson Kathryn G | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 387 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Simpson Kathryn G | Sell S | February 17, 2026 | February 19, 2026 | 2d | 779 | $703 | $547K | 10b5-1 plan | Form 4 ↗ | |
| Simpson Kathryn G | Sell F | February 17, 2026 | February 19, 2026 | 2d | 193 | $701 | $135K | 10b5-1 plan | Form 4 ↗ | |
| Simpson Kathryn G | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 387 | — | — | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,017 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| ROEDER ROSHAN S | Sell S | February 17, 2026 | February 19, 2026 | 2d | 318 | $703 | $223K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | Sell F | February 17, 2026 | February 19, 2026 | 2d | 992 | $701 | $696K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 2,017 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Hardesty Michael A | Sell S | February 13, 2026 | February 17, 2026 | 4d | 1 | $703 | $408 | Form 4 ↗ | ||
| Hardesty Michael A | Sell S | February 13, 2026 | February 17, 2026 | 4d | 783 | $702 | $550K | Form 4 ↗ | ||
| Hardesty Michael A | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,727 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | Other A | February 11, 2026 | February 13, 2026 | 2d | 379 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,382 | — | — | derivative | Form 4 ↗ | |
| Hardesty Michael A | Sell F | February 11, 2026 | February 13, 2026 | 2d | 566 | $679 | $384K | Form 4 ↗ | ||
| Hardesty Michael A | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,727 | — | — | Form 4 ↗ | ||
| Jones Thomas H | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,910 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | Other A | February 11, 2026 | February 13, 2026 | 2d | 5,927 | — | — | derivative | Form 4 ↗ | |
| Jones Thomas H | Sell F | February 11, 2026 | February 13, 2026 | 2d | 3,059 | $679 | $2.1M | Form 4 ↗ | ||
| Jones Thomas H | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,910 | — | — | Form 4 ↗ | ||
| Simpson Kathryn G | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,335 | — | — | derivative | Form 4 ↗ | |
| Simpson Kathryn G | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,471 | — | — | derivative | Form 4 ↗ | |
| Simpson Kathryn G | Other A | February 11, 2026 | February 13, 2026 | 2d | 3,620 | — | — | derivative | Form 4 ↗ | |
| Simpson Kathryn G | Sell F | February 11, 2026 | February 13, 2026 | 2d | 461 | $679 | $313K | Form 4 ↗ | ||
| Simpson Kathryn G | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,335 | — | — | Form 4 ↗ | ||
| Warden Kathy J | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 34,546 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | Other A | February 11, 2026 | February 13, 2026 | 2d | 8,113 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | Other A | February 11, 2026 | February 13, 2026 | 2d | 28,785 | — | — | derivative | Form 4 ↗ | |
| Warden Kathy J | Sell F | February 11, 2026 | February 13, 2026 | 2d | 15,371 | $679 | $10.4M | Form 4 ↗ | ||
| Warden Kathy J | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 34,546 | — | — | Form 4 ↗ | ||
| Greene John | Other A | February 11, 2026 | February 13, 2026 | 2d | 5,362 | — | — | derivative | Form 4 ↗ | |
| Greene John | Other A | February 11, 2026 | February 13, 2026 | 2d | 4,981 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 3,158 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | Other A | February 11, 2026 | February 13, 2026 | 2d | 4,710 | — | — | derivative | Form 4 ↗ | |
| Davies Benjamin R. | Sell F | February 11, 2026 | February 13, 2026 | 2d | 1,214 | $679 | $824K | Form 4 ↗ | ||
| Davies Benjamin R. | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 3,158 | — | — | Form 4 ↗ | ||
| Fleming Robert J. | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 913 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | Other A | February 11, 2026 | February 13, 2026 | 2d | 3,982 | — | — | derivative | Form 4 ↗ | |
| Fleming Robert J. | Sell F | February 11, 2026 | February 13, 2026 | 2d | 300 | $679 | $204K | Form 4 ↗ | ||
| Fleming Robert J. | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 913 | — | — | Form 4 ↗ | ||
| ROEDER ROSHAN S | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,476 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,701 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | Other A | February 11, 2026 | February 13, 2026 | 2d | 5,786 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | Sell F | February 11, 2026 | February 13, 2026 | 2d | 2,968 | $679 | $2.0M | Form 4 ↗ | ||
| ROEDER ROSHAN S | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 6,476 | — | — | Form 4 ↗ | ||
| Warden Kathy J | Sell S | February 6, 2026 | February 10, 2026 | 4d | 1,306 | $711 | $929K | Form 4 ↗ | ||
| Warden Kathy J | Sell S | February 6, 2026 | February 10, 2026 | 4d | 3,552 | $710 | $2.5M | Form 4 ↗ | ||
| Warden Kathy J | Sell S | February 6, 2026 | February 10, 2026 | 4d | 5,734 | $709 | $4.1M | Form 4 ↗ | ||
| Warden Kathy J | Sell S | February 6, 2026 | February 10, 2026 | 4d | 2,303 | $709 | $1.6M | Form 4 ↗ | ||
| Warden Kathy J | Sell S | February 6, 2026 | February 10, 2026 | 4d | 4,695 | $707 | $3.3M | Form 4 ↗ | ||
| Warden Kathy J | Sell S | February 6, 2026 | February 10, 2026 | 4d | 2,196 | $707 | $1.6M | Form 4 ↗ | ||
| Warden Kathy J | Sell S | February 6, 2026 | February 10, 2026 | 4d | 214 | $706 | $151K | Form 4 ↗ | ||
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 5 | $689 | $3,447 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 10 | $689 | $6,885 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 8 | $688 | $5,501 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 11 | $686 | $7,551 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 10 | $685 | $6,853 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 7 | $685 | $4,793 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 6 | $684 | $4,103 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 22 | $682 | $15K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 8 | $682 | $5,453 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 4 | $680 | $2,722 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 2 | $677 | $1,355 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | February 2, 2026 | February 3, 2026 | 1d | 2 | $676 | $1,352 | 10b5-1 plan | Form 4 ↗ | |
| Warden Kathy J | Sell S | January 6, 2026 | January 7, 2026 | 1d | 3,000 | $615 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| Warden Kathy J | Sell S | January 5, 2026 | January 7, 2026 | 2d | 7,000 | $600 | $4.2M | 10b5-1 plan | Form 4 ↗ | |
| KRISHNA ARVIND | Other A | December 31, 2025 | January 5, 2026 | 5d | 64 | $570 | $36K | late | Form 4 ↗ | |
| Brown Marianne Catherine | Other A | December 31, 2025 | January 5, 2026 | 5d | 81 | $570 | $46K | late | Form 4 ↗ | |
| ROEDER ROSHAN S | Sell S | December 9, 2025 | December 11, 2025 | 2d | 84 | $555 | $47K | 10b5-1 plan | Form 4 ↗ | |
| ROEDER ROSHAN S | Option / conversion M | December 5, 2025 | December 8, 2025 | 3d | 328 | — | — | derivative | Form 4 ↗ | |
| ROEDER ROSHAN S | Sell F | December 5, 2025 | December 8, 2025 | 3d | 159 | $549 | $87K | Form 4 ↗ | ||
| ROEDER ROSHAN S | Option / conversion M | December 5, 2025 | December 8, 2025 | 3d | 328 | — | — | Form 4 ↗ | ||
| WELSH MARK A III | Sell S | November 24, 2025 | November 25, 2025 | 1d | 1 | $566 | $566 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | November 24, 2025 | November 25, 2025 | 1d | 12 | $565 | $6,784 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | November 24, 2025 | November 25, 2025 | 1d | 61 | $564 | $34K | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | November 24, 2025 | November 25, 2025 | 1d | 9 | $564 | $5,073 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | November 24, 2025 | November 25, 2025 | 1d | 7 | $563 | $3,938 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | November 24, 2025 | November 25, 2025 | 1d | 6 | $562 | $3,369 | 10b5-1 plan | Form 4 ↗ | |
| WELSH MARK A III | Sell S | November 24, 2025 | November 25, 2025 | 1d | 1 | $560 | $560 | 10b5-1 plan | Form 4 ↗ | |
| Brown Marianne Catherine | Other A | September 30, 2025 | October 1, 2025 | 1d | 76 | $609 | $46K | Form 4 ↗ | ||
| KRISHNA ARVIND | Other A | September 30, 2025 | October 1, 2025 | 1d | 59 | $609 | $36K | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Alan Armstrong | Buy | March 27, 2026 | July 21, 2026 | 116d | — | — | $1,001–$15K | late | Senate PTR ↗ | |
| Steve Cohen | Sell | December 29, 2025 | January 26, 2026 | 28d | — | — | $15K–$50K | House PTR ↗ | ||
| Gilbert Ray Cisneros, Jr. | Sell | September 5, 2025 | October 10, 2025 | 35d | — | — | $1,001–$15K | House PTR ↗ | ||
| Val T. Hoyle | Sell | September 23, 2025 | October 10, 2025 | 17d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Sheri Biggs | Sell | March 19, 2025 | October 5, 2025 | 200d | — | — | $15K–$50K | latespouse | House PTR ↗ |
Related stocks
Tickers traded by the same people who traded NOC, by number of filers in common. It shows overlap in public filings and nothing else.
- SCHW Charles Schwab Corporation 5 filers in common
- MRK Merck & Company, Inc. Common Stock 5 filers in common
- AAPL Apple Inc. - Common Stock 4 filers in common
- PGR Progressive Corporation 4 filers in common
- MSFT Microsoft Corporation - Common Stock 4 filers in common
- IBM International Business Machines Corporation Common Stock 4 filers in common
- CSCO Cisco Systems, Inc. - Common Stock 4 filers in common
- CMCSA Comcast Corporation - Class A Common Stock 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.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
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.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.