Transactions
2
Insider / NORTHROP GRUMMAN CORP /DE/
WINSTON MARY A
Director at NORTHROP GRUMMAN CORP /DE/
- Company
- NORTHROP GRUMMAN CORP /DE/
- First filing on record
- May 21, 2026
- Latest trade on record
- June 11, 2026
- SEC filings
- EDGAR ↗
WINSTON MARY A, Director at NORTHROP GRUMMAN CORP /DE/, has disclosed 2 transactions in CMG, NOC since May 21, 2026: 0 purchases (0 open-market buys) and 0 sales, worth about $408K at the reported prices. The latest was filed June 12, 2026, 1 day after the trade.
Open-market buys
0
Sales
0
Avg. disclosure lag
1.0d
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 WINSTON MARY A reported 2 transactions that were neither a purchase nor a sale, such as stock awards, option exercises or shares withheld for tax.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 2 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 |
|---|---|---|---|---|
| A | Grant or award | 2 | 7,229 | $408K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 2 | 0 | 0 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| CMG | Other A | June 11, 2026 | June 12, 2026 | 1d | 6,880 | $31 | $215K | Form 4 ↗ | ||
| NOC | Other A | May 20, 2026 | May 21, 2026 | 1d | 349 | $552 | $193K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| June 12, 2026 | Form 4 | 0001058090-26-000053 | 1 | published | EDGAR ↗ |
| May 21, 2026 | Form 4 | 0001628280-26-037211 | 1 | published | EDGAR ↗ |
Other insiders at NORTHROP GRUMMAN CORP /DE/
- WELSH MARK A III Director 46 rows
- KRISHNA ARVIND Director 24 rows
- Brown Marianne Catherine Director 19 rows
- Warden Kathy J Chair, CEO and President 19 rows
- Garner Curtis E Pres, Chief Strgy & Tech Off 17 rows
- ROEDER ROSHAN S CVP & Pres. Mission Systems 15 rows
- Davies Benjamin R. CVP & Pres. Defense Systems 12 rows
- Hardesty Michael A Corp VP, Controller & CAO 12 rows
- Fuentes Laura See Remarks 11 rows
- Simpson Kathryn G Corp VP & General Counsel 11 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.
- 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 |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 2 | 2 | May 21, 2026 | June 12, 2026 | Form 4 list on EDGAR |
Site built November 12, 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.