Northrop Grumman Corp. insider trading
In the last twelve months insiders at Northrop Grumman Corp. filed 61 open-market sales worth $26.4 million and 0 open-market purchases, on Form 4 with the SEC. The latest: Welsh Mark A Iii, Director, sold 8 shares at $544.53 on 3 August 2026, filed 4 August 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 8 | $544.53 | $4,356 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 19 | $545.59 | $10,366 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 11 | $546.42 | $6,011 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 31 | $547.42 | $16,970 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 10 | $548.32 | $5,483 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 6 | $549.50 | $3,297 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 2 | $550.68 | $1,101 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 2 | $552.95 | $1,106 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 2 | $553.90 | $1,108 | Form 4 |
| 3 August 2026 | Welsh Mark A Iii | Director | Sale | 4 | $554.14 | $2,217 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 1 | $566.60 | $567 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 5 | $568.75 | $2,844 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 9 | $569.49 | $5,125 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 43 | $570.47 | $24,530 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 3 | $571.74 | $1,715 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 6 | $572.72 | $3,436 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 14 | $573.51 | $8,029 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 2 | $574.51 | $1,149 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 4 | $575.59 | $2,302 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 7 | $576.38 | $4,035 | Form 4 |
| 4 May 2026 | Welsh Mark A Iii | Director | Sale | 1 | $577.05 | $577 | Form 4 |
| 2 March 2026 | Simpson Kathryn G | Corp VP & General Counsel | Sale | 873 | $745.00 | $650,385 | Form 4 |
| 27 February 2026 | Roeder Roshan S | CVP & Pres. Mission Systems | Sale | 1,754 | $720.00 | $1.3 million | Form 4 |
| 19 February 2026 | Simpson Kathryn G | Corp VP & General Counsel | Sale | 194 | $727.62 | $141,158 | Form 4 |
| 19 February 2026 | Roeder Roshan S | CVP & Pres. Mission Systems | Sale | 512 | $727.62 | $372,541 | Form 4 |
| 19 February 2026 | Hardesty Michael A | Corp VP, Controller & CAO | Sale | 147 | $732.98 | $107,748 | Form 4 |
| 18 February 2026 | Davies Benjamin R. | CVP & Pres. Defense Systems | Sale | 2,189 | $719.61 | $1.6 million | Form 4 |
| 17 February 2026 | Hardesty Michael A | Corp VP, Controller & CAO | Sale | 716 | $700.63 | $501,609 | Form 4 |
| 17 February 2026 | Simpson Kathryn G | Corp VP & General Counsel | Sale | 779 | $702.56 | $547,294 | Form 4 |
| 17 February 2026 | Roeder Roshan S | CVP & Pres. Mission Systems | Sale | 318 | $702.56 | $223,414 | Form 4 |
| 13 February 2026 | Hardesty Michael A | Corp VP, Controller & CAO | Sale | 783 | $702.43 | $550,003 | Form 4 |
| 13 February 2026 | Hardesty Michael A | Corp VP, Controller & CAO | Sale | 1 | $703.21 | $408 | Form 4 |
| 6 February 2026 | Warden Kathy J | Chair, CEO and President | Sale | 214 | $705.84 | $151,050 | Form 4 |
| 6 February 2026 | Warden Kathy J | Chair, CEO and President | Sale | 2,196 | $706.65 | $1.6 million | Form 4 |
| 6 February 2026 | Warden Kathy J | Chair, CEO and President | Sale | 4,695 | $707.45 | $3.3 million | Form 4 |
| 6 February 2026 | Warden Kathy J | Chair, CEO and President | Sale | 2,303 | $708.63 | $1.6 million | Form 4 |
| 6 February 2026 | Warden Kathy J | Chair, CEO and President | Sale | 5,734 | $709.49 | $4.1 million | Form 4 |
| 6 February 2026 | Warden Kathy J | Chair, CEO and President | Sale | 3,552 | $710.36 | $2.5 million | Form 4 |
| 6 February 2026 | Warden Kathy J | Chair, CEO and President | Sale | 1,306 | $711.14 | $928,749 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 2 | $676.14 | $1,352 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 2 | $677.43 | $1,355 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 4 | $680.49 | $2,722 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 8 | $681.68 | $5,453 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 22 | $682.47 | $15,014 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 6 | $683.79 | $4,103 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 7 | $684.67 | $4,793 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 10 | $685.33 | $6,853 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 11 | $686.43 | $7,551 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 8 | $687.64 | $5,501 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 10 | $688.51 | $6,885 | Form 4 |
| 2 February 2026 | Welsh Mark A Iii | Director | Sale | 5 | $689.31 | $3,447 | Form 4 |
| 6 January 2026 | Warden Kathy J | Chair, CEO and President | Sale | 3,000 | $615.00 | $1.8 million | Form 4 |
| 5 January 2026 | Warden Kathy J | Chair, CEO and President | Sale | 7,000 | $600.00 | $4.2 million | Form 4 |
| 9 December 2025 | Roeder Roshan S | CVP & Pres. Mission Systems | Sale | 84 | $555.35 | $46,649 | Form 4 |
| 24 November 2025 | Welsh Mark A Iii | Director | Sale | 1 | $560.39 | $560 | Form 4 |
| 24 November 2025 | Welsh Mark A Iii | Director | Sale | 6 | $561.51 | $3,369 | Form 4 |
| 24 November 2025 | Welsh Mark A Iii | Director | Sale | 7 | $562.52 | $3,938 | Form 4 |
| 24 November 2025 | Welsh Mark A Iii | Director | Sale | 9 | $563.62 | $5,073 | Form 4 |
| 24 November 2025 | Welsh Mark A Iii | Director | Sale | 61 | $564.36 | $34,426 | Form 4 |
| 24 November 2025 | Welsh Mark A Iii | Director | Sale | 12 | $565.31 | $6,784 | Form 4 |
| 24 November 2025 | Welsh Mark A Iii | Director | Sale | 1 | $566.15 | $566 | Form 4 |
Open-market purchases (code P) and sales (code S) only. Option exercises, grants, tax withholding and gifts are not shown. A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Northrop Grumman Corp.: the company's filing index.
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