Insider Ledger
Northrop Grumman Corp. (NOC) insider buying and SEC filings
Northrop Grumman Corp. · CIK 1133421
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Search, Detection, Navigation, Guidance, Aeronautical Sys
- Fiscal year end
- Dec 31
- Former names
- NNG INC
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$16.9M
Planned sales (10b5-1)
$9.6M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Nov 2, 2026 | Planned (10b5-1) | Mark A. Welsh III (Director) sold 98 shares at about $555.65 ($54K), marked as a 10b5-1 plan trade. Holdings down 2% to 4,314 shares. | SEC filing Filed Nov 3, 2026, 11:25 AM ET |
| Aug 3, 2026 | Planned (10b5-1) | Mark A. Welsh III (Director) sold 95 shares at about $547.53 ($52K), marked as a 10b5-1 plan trade. Holdings down 2% to 4,393 shares. | SEC filing Filed Aug 4, 2026 |
| May 4, 2026 | Planned (10b5-1) | Mark A. Welsh III (Director) sold 95 shares at about $571.68 ($54K), marked as a 10b5-1 plan trade. Holdings down 2% to 4,121 shares. | SEC filing Filed May 5, 2026 |
| Mar 2, 2026 | Planned (10b5-1) | Kathryn G Simpson (Corp VP & General Counsel) sold 873 shares at $745.00 ($650K), marked as a 10b5-1 plan trade. Holdings down 100% to 1 share. | SEC filing Filed Mar 3, 2026 |
| Feb 27, 2026 | Planned (10b5-1) | Roshan S. Roeder (CVP & Pres. Mission Systems) sold 1,754 shares at $720.00 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 43% to 2,353 shares. | SEC filing Filed Mar 2, 2026 |
| Feb 19, 2026 | Planned (10b5-1) | Kathryn G Simpson (Corp VP & General Counsel) sold 194 shares at $727.62 ($141K), marked as a 10b5-1 plan trade. Holdings down 18% to 874 shares. | SEC filing Filed Feb 20, 2026 |
| Feb 19, 2026 | Planned (10b5-1) | Roshan S. Roeder (CVP & Pres. Mission Systems) sold 512 shares at $727.62 ($373K), marked as a 10b5-1 plan trade. Holdings down 11% to 4,107 shares. | SEC filing Filed Feb 20, 2026 |
| Feb 19, 2026 | Sale | Michael A Hardesty (Corp VP, Controller & CAO) sold 147 shares at $732.98 ($108K). Holdings down 6% to 2,525 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 20, 2026 |
| Feb 18, 2026 | Sale | Benjamin R. Davies (CVP & Pres. Defense Systems) sold 2,189 shares at about $719.61 ($1.6M). Holdings down 94% to 151 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 19, 2026 |
| Feb 17, 2026 | Sale | Michael A Hardesty (Corp VP, Controller & CAO) sold 716 shares at $700.63 ($502K). Holdings down 21% to 2,672 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 19, 2026 |
| Feb 17, 2026 | Planned (10b5-1) | Kathryn G Simpson (Corp VP & General Counsel) sold 779 shares at $702.56 ($547K), marked as a 10b5-1 plan trade. Holdings down 42% to 1,068 shares. | SEC filing Filed Feb 19, 2026 |
| Feb 17, 2026 | Planned (10b5-1) | Roshan S. Roeder (CVP & Pres. Mission Systems) sold 318 shares at $702.56 ($223K), marked as a 10b5-1 plan trade. Holdings down 6% to 4,619 shares. | SEC filing Filed Feb 19, 2026 |
| Feb 13, 2026 | Sale | Michael A Hardesty (Corp VP, Controller & CAO) sold 784 shares at about $702.43 ($550K). Holdings down 20% to 3,093 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 17, 2026 |
| Feb 6, 2026 | Sale | Kathy J Warden (CEO and Director) sold 20,000 shares at about $708.82 ($14.2M). Holdings down 10% to 171,602 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 10, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Mark A. Welsh III (Director) sold 95 shares at about $684.52 ($65K), marked as a 10b5-1 plan trade. Holdings down 2% to 4,203 shares. | SEC filing Filed Feb 3, 2026 |
| Jan 5–6, 2026 | Planned (10b5-1) | Kathy J Warden (CEO and Director) sold 10,000 shares between Jan 5 and Jan 6 at about $604.50 ($6.0M), marked as a 10b5-1 plan trade. Holdings down 5% to 191,602 shares. | SEC filing Filed Jan 7, 2026 |
| Dec 9, 2025 | Planned (10b5-1) | Roshan S. Roeder (CVP & Pres. Mission Systems) sold 84 shares at $555.35 ($47K), marked as a 10b5-1 plan trade. Holdings down 17% to 404 shares. | SEC filing Filed Dec 11, 2025 |
| Nov 24, 2025 | Planned (10b5-1) | Mark A. Welsh III (Director) sold 97 shares at about $564.08 ($55K), marked as a 10b5-1 plan trade. Holdings down 2% to 4,281 shares. | SEC filing Filed Nov 25, 2025 |
36 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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