Northrop Grumman Corporation (NOC) Insider Trading
Over the last 3 months, NOC insiders made 0 open-market buys and 8 sales, a net sale of -$50K (SEC Form 4). Over the last 6 months, 1350 institutions increased and 1320 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$49.8K
Insider trades by month Buys Sells
Dec
Jan
Feb
Mar
May
Aug
Context3-month price +3.9%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 6 | $549.50 |
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 8 | $544.53 |
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 2 | $550.68 |
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 19 | $545.59 |
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 11 | $546.42 |
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 4 | $554.14 |
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 10 | $548.32 |
| Aug 4, 2026 | WELSH MARK A IIIdirector | Sell | 31 | $547.42 |
| Jul 1, 2026 | Brown Marianne Catherinedirector | Grant | 91 | $509.31 |
| Jul 1, 2026 | KRISHNA ARVINDdirector | Grant | 71 | $509.31 |
| May 21, 2026 | SCHOEWE THOMAS Mdirector | Grant | 349 | $552.17 |
| May 21, 2026 | Turley James Sdirector | Grant | 349 | $552.17 |
| May 21, 2026 | KRISHNA ARVINDdirector | Grant | 349 | $552.17 |
| May 21, 2026 | WELSH MARK A IIIdirector | Grant | 349 | $552.17 |
| May 21, 2026 | WINSTON MARY Adirector | Grant | 349 | $552.17 |
| May 21, 2026 | Grady Christopher W.director | Grant | 349 | $552.17 |
| May 21, 2026 | ABNEY DAVID Pdirector | Grant | 349 | $552.17 |
| May 21, 2026 | Brown Marianne Catherinedirector | Grant | 349 | $552.17 |
| May 21, 2026 | Ross Kimberly A.director | Grant | 349 | $552.17 |
| May 21, 2026 | ROUGHEAD GARYdirector | Grant | 349 | $552.17 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 1 | $566.60 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 2 | $574.51 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 6 | $572.72 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 4 | $575.59 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 3 | $571.74 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 14 | $573.51 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 9 | $569.49 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 5 | $568.75 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 7 | $576.38 |
| May 5, 2026 | WELSH MARK A IIIdirector | Sell | 43 | $570.47 |
Source: NOC SEC Form 4 filings, latest Aug 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their NOC positions over the last 6 months (SEC Form 13F).
Increased
1350
New positions
380
Reduced
1320
Sold out
212
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| STATE STREET CORP | Increased | 13.2M | Aug 7, 2026 |
| STATE STREET CORP | Reduced | 13.0M | May 15, 2026 |
| BlackRock, Inc. | Increased | 11.8M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 10.9M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 9.0M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 8.9M | May 15, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Reduced | 7.1M | May 13, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 6.9M | May 13, 2026 |
| Capital International Investors | Reduced | 5.9M | Aug 12, 2026 |
| Capital World Investors | Reduced | 5.1M | Aug 12, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 5.0M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 4.9M | Aug 14, 2026 |
| MORGAN STANLEY | Reduced | 3.6M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 3.6M | Aug 13, 2026 |
| MORGAN STANLEY | Reduced | 3.6M | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.