Transactions
11
Insider / NORTHROP GRUMMAN CORP /DE/
Simpson Kathryn G
Corp VP & General Counsel at NORTHROP GRUMMAN CORP /DE/
- Company
- NORTHROP GRUMMAN CORP /DE/
- Ticker
- NOC
- First filing on record
- February 13, 2026
- Latest trade on record
- March 2, 2026
- SEC filings
- EDGAR ↗
Simpson Kathryn G, Corp VP & General Counsel at NORTHROP GRUMMAN CORP /DE/, has disclosed 11 transactions in NOC since February 13, 2026: 0 purchases (0 open-market buys) and 5 sales, worth about $1.8M at the reported prices. The latest was filed March 3, 2026, 1 day after the trade.
Open-market buys
0
Sales
5
Avg. disclosure lag
1.8d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Simpson Kathryn G made no purchases and 5 sales worth $1.8M, plus 6 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Simpson Kathryn G has traded 1 stock on record; the largest by dollars is NOC.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 4 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| M | Option exercise or conversion | 4 | 3,444 | — |
| S | Open-market sale | 3 | 1,846 | $1.3M |
| A | Grant or award | 2 | 5,091 | — |
| F | Shares withheld for tax | 2 | 654 | $448K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 11 | 0 | 5 · $1.8M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| NOC | Sell S | March 2, 2026 | March 3, 2026 | 1d | 873 | $745 | $650K | 10b5-1 plan | Form 4 ↗ | |
| NOC | Sell S | February 19, 2026 | February 20, 2026 | 1d | 194 | $728 | $141K | 10b5-1 plan | Form 4 ↗ | |
| NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 387 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NOC | Sell S | February 17, 2026 | February 19, 2026 | 2d | 779 | $703 | $547K | 10b5-1 plan | Form 4 ↗ | |
| NOC | Sell F | February 17, 2026 | February 19, 2026 | 2d | 193 | $701 | $135K | 10b5-1 plan | Form 4 ↗ | |
| NOC | Option / conversion M | February 17, 2026 | February 19, 2026 | 2d | 387 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,335 | — | — | derivative | Form 4 ↗ | |
| NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 1,471 | — | — | derivative | Form 4 ↗ | |
| NOC | Other A | February 11, 2026 | February 13, 2026 | 2d | 3,620 | — | — | derivative | Form 4 ↗ | |
| NOC | Sell F | February 11, 2026 | February 13, 2026 | 2d | 461 | $679 | $313K | Form 4 ↗ | ||
| NOC | Option / conversion M | February 11, 2026 | February 13, 2026 | 2d | 1,335 | — | — | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| March 3, 2026 | Form 4 | 0001628280-26-013772 | 1 | published | EDGAR ↗ |
| February 20, 2026 | Form 4 | 0001628280-26-010367 | 1 | published | EDGAR ↗ |
| February 19, 2026 | Form 4 | 0001628280-26-009782 | 4 | published | EDGAR ↗ |
| February 13, 2026 | Form 4 | 0001628280-26-008127 | 5 | published | EDGAR ↗ |
Other insiders at NORTHROP GRUMMAN CORP /DE/
- WELSH MARK A III Director 41 rows
- KRISHNA ARVIND Director 24 rows
- Brown Marianne Catherine Director 19 rows
- Warden Kathy J Chair, CEO and President 19 rows
- ROEDER ROSHAN S CVP & Pres. Mission Systems 15 rows
- Hardesty Michael A Corp VP, Controller & CAO 12 rows
- Davies Benjamin R. CVP & Pres. Defense Systems 9 rows
- Fleming Robert J. CVP and Pres. Space Systems 8 rows
- Jones Thomas H CVP & Pres Aeronautics Systems 8 rows
- Turley James S Director 4 rows
Everyone on file, with contracts and lobbying under the company's name: NORTHROP GRUMMAN CORP /DE/.
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.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 4 | 11 | February 13, 2026 | March 3, 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.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.