Northrop Grumman Corp. (NOC) Insider Trading
Directors, officers and holders of more than 10% of NOC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 343 transactions on file: 0 with code P, 28 with code S and 22 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | Brown Marianne Catherine | Director | A Award | 96 | $483.48 | $46,414 |
| Sep 30, 2026 | KRISHNA ARVIND | Director | A Award | 75 | $483.48 | $36,261 |
| Aug 19, 2026 | Warden Kathy J | Chair, CEO and President | A Award | 35,910 | Not measured | Not measured |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 2 | $550.68 | $1,101 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 4 | $554.14 | $2,217 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 31 | $547.42 | $16,970 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 6 | $549.50 | $3,297 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 11 | $546.42 | $6,011 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 19 | $545.59 | $10,366 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 2 | $552.95 | $1,106 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 2 | $553.90 | $1,108 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 8 | $544.53 | $4,356 |
| Aug 3, 2026 | WELSH MARK A III | Director | S Sale | 10 | $548.32 | $5,483 |
| Jun 30, 2026 | KRISHNA ARVIND | Director | A Award | 71 | $509.31 | $36,161 |
| Jun 30, 2026 | Brown Marianne Catherine | Director | A Award | 91 | $509.31 | $46,347 |
| May 20, 2026 | SCHOEWE THOMAS M | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | Turley James S | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | WELSH MARK A III | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | KRISHNA ARVIND | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | Ross Kimberly A. | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | Grady Christopher W. | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | ROUGHEAD GARY | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | WINSTON MARY A | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | Brown Marianne Catherine | Director | A Award | 349 | $552.17 | $192,707 |
| May 20, 2026 | ABNEY DAVID P | Director | A Award | 349 | $552.17 | $192,707 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 3 | $571.74 | $1,715 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 6 | $572.72 | $3,436 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 14 | $573.51 | $8,029 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 5 | $568.75 | $2,844 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 43 | $570.47 | $24,530 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 4 | $575.59 | $2,302 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 7 | $576.38 | $4,035 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 1 | $577.05 | $577 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 9 | $569.49 | $5,125 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 2 | $574.51 | $1,149 |
| May 4, 2026 | WELSH MARK A III | Director | S Sale | 1 | $566.60 | $567 |
| Mar 31, 2026 | Brown Marianne Catherine | Director | A Award | 68 | $682.24 | $46,392 |
| Mar 31, 2026 | KRISHNA ARVIND | Director | A Award | 53 | $682.24 | $36,159 |
| Mar 2, 2026 | Simpson Kathryn G | Corp VP & General Counsel | S Sale | 873 | $745.00 | $650,385 |
| Feb 27, 2026 | ROEDER ROSHAN S | CVP & Pres. Mission Systems | S Sale | 1,754 | $720.00 | $1,262,880 |
| Feb 19, 2026 | Hardesty Michael A | Corp VP, Controller & CAO | S Sale | 147 | $732.98 | $107,748 |
| Feb 19, 2026 | Simpson Kathryn G | Corp VP & General Counsel | S Sale | 194 | $727.62 | $141,158 |
| Feb 19, 2026 | ROEDER ROSHAN S | CVP & Pres. Mission Systems | S Sale | 512 | $727.62 | $372,541 |
| Feb 18, 2026 | Davies Benjamin R. | CVP & Pres. Defense Systems | S Sale | 2,189 | $719.61 | $1,575,255 |
| Feb 17, 2026 | Hardesty Michael A | Corp VP, Controller & CAO | F Tax Payment | 243 | $701.12 | $170,372 |
| Feb 17, 2026 | Hardesty Michael A | Corp VP, Controller & CAO | S Sale | 716 | $700.63 | $501,609 |
| Feb 17, 2026 | Hardesty Michael A | Corp VP, Controller & CAO | M Exercise | 538 | Not measured | Not measured |
| Feb 17, 2026 | Davies Benjamin R. | CVP & Pres. Defense Systems | F Tax Payment | 123 | $701.12 | $86,238 |
| Feb 17, 2026 | Davies Benjamin R. | CVP & Pres. Defense Systems | M Exercise | 274 | Not measured | Not measured |
| Feb 17, 2026 | Jones Thomas H | CVP & Pres Aeronautics Systems | M Exercise | 2,152 | Not measured | Not measured |
The full Form 4 history is on the NOC company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.