Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
SEC ownership of NORTHROP GRUMMAN CORP /DE/
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001133421.
Disclosed value leader
VANGUARD CAPITAL MANAGEMENT LLC
Comparable rows
50/50
Latest evidence
03 Aug 2026
- Public ticker
- NOC on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
03 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001133421
- Issuer location
- Falls Church, VA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of NORTHROP GRUMMAN CORP /DE/ (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
VANGUARD CAPITAL MANAGEME...
Comparable rows
50/50
Latest evidence
03 Aug 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.2%
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.2%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
VANGUARD CAPITAL MANAGEMENT LLC
7.2%
Capital International Investors
4.3%
Madeleine Kleiner
0.01%
Thomas M. Schoewe
0.01%
Gary Roughead
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
7.2%
|
$6,991,963,930
10,248,540 shares
|
$0 | 31 Mar 2026 |
| Capital International Investors |
13D/G
13F
Company
|
4.3%
|
$3,217,058,380
6,044,489 shares
|
-$679,752,447 | 30 Jun 2026 |
| Madeleine Kleiner |
3/4/5
Director
|
0.01%
|
$9,952,847
21,002 shares
|
— | 21 May 2025 |
| Thomas M. Schoewe |
3/4/5
Director
|
0.01%
|
$11,418,650
16,737 shares
|
— | 20 May 2026 |
| Gary Roughead |
3/4/5
Director
|
0.01%
|
$8,330,150
12,210 shares
|
— | 20 May 2026 |
| Marianne Catherine Brown |
3/4/5
Director
|
0.01%
|
$7,885,329
11,558 shares
|
— | 30 Jun 2026 |
| James S. Turley |
3/4/5
Director
|
0%
|
$4,596,933
6,738 shares
|
— | 20 May 2026 |
| Ann M. Fudge |
3/4/5
Director
|
0%
|
$2,744,828
5,792 shares
|
— | 21 May 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$26,426,883.
Buys
$0
Insiders: 0
Sells
$26,426,883
Insiders: 6
Net
-$26,426,883
Shares: -38,732
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 38,732
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 95 | $0 | $52,015 | -$52,015 |
| 3-6 | 0 | 2,722 | $0 | $1,967,575 | -$1,967,575 |
| 6-9 | 0 | 35,915 | $0 | $24,407,294 | -$24,407,294 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 38 reporting-owner rows connected to NORTHROP GRUMMAN CORP /DE/. Open a relationship link for the CIK-to-CIK filing trail.
Rows
38
Largest Forms 3/4/5 holder
Kathy J. Warden
Net 12M change
-$26,426,884
Latest report
03 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Kathy J. Warden | Chair, CEO and President, Director | $137,896,674 | -$20,221,469 | -13% | Mixed | 17 Feb 2026 |
| Donald E. Felsinger | Director | $18,646,484 | Mixed | 18 May 2022 | ||
| Sheila C. Cheston | Corp. VP & General Counsel | $12,667,115 | Mixed | 21 Feb 2023 | ||
| Thomas M. Schoewe | Director | $11,418,650 | Mixed | 20 May 2026 | ||
| Karl J. Krapek | Director | $11,208,208 | Mixed | 31 Mar 2023 | ||
| Madeleine Kleiner | Director | $9,952,847 | Mixed | 21 May 2025 | ||
| Lesley A. Kalan | CVP, Chief Strategy & Dev Ofc | $8,395,052 | Mixed | 16 Feb 2023 | ||
| Gary Roughead | Director | $8,330,150 | Mixed | 20 May 2026 | ||
| Marianne Catherine Brown | Director | $7,885,329 | Mixed | 30 Jun 2026 | ||
| Thomas H. Jones | CVP & Pres Aeronautics Systems | $7,855,849 | Mixed | 17 Feb 2026 | ||
| David F. Keffer | CVP & Chief Financial Officer | $7,503,965 | Mixed | 16 Feb 2024 | ||
| Mark A. Caylor | CVP & Pres, Mission Systems | $7,488,618 | Mixed | 21 Feb 2024 | ||
| Blake E. Larson | Corporate Vice President | $6,948,649 | Mixed | 31 Dec 2021 | ||
| Mary D. Petryszyn | Corporate Vice President | $5,894,973 | Mixed | 16 Feb 2023 | ||
| Ann M. Addison | Corp VP & Chief HR Officer | $5,785,729 | Mixed | 16 Feb 2023 | ||
| Shawn N. Purvis | CVP, Pres, Enterprise Svcs | $5,027,565 | Mixed | 15 Feb 2022 | ||
| James S. Turley | Director | $4,596,933 | Mixed | 20 May 2026 | ||
| Perry David T. | CVP Chief Global Bus Off | $4,362,958 | Mixed | 06 Mar 2023 | ||
| William H. Hernandez | Director | $3,550,842 | Mixed | 18 May 2022 | ||
| Ann M. Fudge | Director | $2,744,828 | Mixed | 21 May 2025 |
Recent insider transactions for NORTHROP GRUMMAN CORP /DE/
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Mark A. Welsh III | NOC | Common Stock | Sale | -2.12% | $52,015 | $547.53 | -95 | 4,393 | 03 Aug 2026 | Direct |
| Marianne Catherine Brown | NOC | Common Stock | Award | 0.79% | 91 | 11,558 | 30 Jun 2026 | Direct | ||
| Arvind Krishna | NOC | Common Stock | Award | 2.65% | 71 | 2,749 | 30 Jun 2026 | Direct | ||
| Mary A. Winston | NOC | Common Stock | Award | 27.7% | 349 | 1,609 | 20 May 2026 | Direct | ||
| Mark A. Welsh III | NOC | Common Stock | Award | 8.47% | 349 | 4,470 | 20 May 2026 | Direct | ||
| James S. Turley | NOC | Common Stock | Award | 5.46% | 349 | 6,738 | 20 May 2026 | Direct | ||
| Thomas M. Schoewe | NOC | Common Stock | Award | 2.13% | 349 | 16,737 | 20 May 2026 | Direct | ||
| Gary Roughead | NOC | Common Stock | Award | 2.94% | 349 | 12,210 | 20 May 2026 | Direct | ||
| Kimberly A. Ross | NOC | Common Stock | Award | 27.6% | 349 | 1,612 | 20 May 2026 | Direct | ||
| Arvind Krishna | NOC | Common Stock | Award | 15.1% | 349 | 2,666 | 20 May 2026 | Direct | ||
| Christopher W. Grady | NOC | Common Stock | Award | 484.7% | 349 | 421 | 20 May 2026 | Direct | ||
| Marianne Catherine Brown | NOC | Common Stock | Award | 3.15% | 349 | 11,415 | 20 May 2026 | Direct | ||
| David P. Abney | NOC | Common Stock | Award | 14.1% | 349 | 2,824 | 20 May 2026 | Direct | ||
| Mark A. Welsh III | NOC | Common Stock | Sale | -2.25% | $54,310 | $571.68 | -95 | 4,121 | 04 May 2026 | Direct |
| Marianne Catherine Brown | NOC | Common Stock | Award | 0.62% | 68 | 11,066 | 31 Mar 2026 | Direct | ||
| Arvind Krishna | NOC | Common Stock | Award | 2.34% | 53 | 2,317 | 31 Mar 2026 | Direct | ||
| Kathryn G. Simpson | NOC | Common Stock | Sale | -99.8% | $650,385 | $745.00 | -873 | 1 | 02 Mar 2026 | Direct |
| Roshan S. Roeder | NOC | Common Stock | Sale | -42.7% | $1,262,880 | $720.00 | -1,754 | 2,353 | 27 Feb 2026 | Direct |
| Kathryn G. Simpson | NOC | Common Stock | Sale | -18.2% | $141,158 | $727.62 | -194 | 874 | 19 Feb 2026 | Direct |
| Roshan S. Roeder | NOC | Common Stock | Sale | -11.1% | $372,541 | $727.62 | -512 | 4,107 | 19 Feb 2026 | Direct |
| Michael A. Hardesty | NOC | Common Stock | Sale | -5.5% | $107,748 | $732.98 | -147 | 2,525 | 19 Feb 2026 | Direct |
| Benjamin R. Davies | NOC | Common Stock | Sale | -93.6% | $1,575,255 | $719.61 | -2,189 | 151 | 18 Feb 2026 | Direct |
| Benjamin R. Davies | NOC | Common Stock | Tax liability | -4.99% | -123 | 2,340 | 17 Feb 2026 | Direct | ||
| Benjamin R. Davies | NOC | Common Stock | Options Exercise | 12.5% | 274 | 2,463 | 17 Feb 2026 | Direct | ||
| Benjamin R. Davies | NOC | Restricted Stock Rights | Options Exercise | -4.08% | -274 | 6,444 | 17 Feb 2026 | Direct | ||
| Robert J. Fleming | NOC | Common Stock | Tax liability | -3.14% | -85 | 2,619 | 17 Feb 2026 | Direct | ||
| Robert J. Fleming | NOC | Common Stock | Options Exercise | 10.8% | 264 | 2,704 | 17 Feb 2026 | Direct | ||
| Robert J. Fleming | NOC | Restricted Stock Rights | Options Exercise | -3.9% | -264 | 6,513 | 17 Feb 2026 | Direct | ||
| Michael A. Hardesty | NOC | Common Stock | Sale | -21.1% | $501,609 | $700.63 | -716 | 2,672 | 17 Feb 2026 | Direct |
| Michael A. Hardesty | NOC | Common Stock | Tax liability | -6.69% | -243 | 3,388 | 17 Feb 2026 | Direct | ||
| Michael A. Hardesty | NOC | Common Stock | Options Exercise | 17.4% | 538 | 3,631 | 17 Feb 2026 | Direct | ||
| Michael A. Hardesty | NOC | Restricted Stock Rights | Options Exercise | -26.5% | -538 | 1,494 | 17 Feb 2026 | Direct | ||
| Thomas H. Jones | NOC | Common Stock | Tax liability | -8.23% | -1,005 | 11,205 | 17 Feb 2026 | Direct | ||
| Thomas H. Jones | NOC | Common Stock | Options Exercise | 21.4% | 2,152 | 12,210 | 17 Feb 2026 | Direct | ||
| Thomas H. Jones | NOC | Restricted Stock Rights | Options Exercise | -24.8% | -2,152 | 6,513 | 17 Feb 2026 | Direct | ||
| Kathy J. Warden | NOC | Common Stock | Tax liability | -2.41% | -4,857 | 196,681 | 17 Feb 2026 | Direct | ||
| Kathy J. Warden | NOC | Common Stock | Options Exercise | 5.64% | 10,760 | 201,538 | 17 Feb 2026 | Direct | ||
| Kathy J. Warden | NOC | Restricted Stock Rights | Options Exercise | -25.8% | -10,760 | 31,020 | 17 Feb 2026 | Direct | ||
| Kathryn G. Simpson | NOC | Common Stock | Sale | -42.2% | $547,294 | $702.56 | -779 | 1,068 | 17 Feb 2026 | Direct |
| Kathryn G. Simpson | NOC | Common Stock | Tax liability | -9.46% | -193 | 1,847 | 17 Feb 2026 | Direct | ||
| Kathryn G. Simpson | NOC | Common Stock | Options Exercise | 23.4% | 387 | 2,040 | 17 Feb 2026 | Direct | ||
| Kathryn G. Simpson | NOC | Restricted Stock Rights | Options Exercise | -6.97% | -387 | 5,168 | 17 Feb 2026 | Direct | ||
| Roshan S. Roeder | NOC | Common Stock | Sale | -6.44% | $223,414 | $702.56 | -318 | 4,619 | 17 Feb 2026 | Direct |
| Roshan S. Roeder | NOC | Common Stock | Tax liability | -16.7% | -992 | 4,937 | 17 Feb 2026 | Direct | ||
| Roshan S. Roeder | NOC | Common Stock | Options Exercise | 51.6% | 2,017 | 5,929 | 17 Feb 2026 | Direct | ||
| Roshan S. Roeder | NOC | Restricted Stock Rights | Options Exercise | -23.6% | -2,017 | 6,513 | 17 Feb 2026 | Direct | ||
| Michael A. Hardesty | NOC | Common Stock | Sale | -20.2% | $550,411 | $702.43 | -784 | 3,093 | 13 Feb 2026 | Direct |
| Christopher W. Grady | NOC | Common Stock | Award | 71 | 71 | 12 Feb 2026 | Direct | |||
| Michael A. Hardesty | NOC | Common Stock | Tax liability | -12.7% | -566 | 3,877 | 11 Feb 2026 | Direct | ||
| Michael A. Hardesty | NOC | Common Stock | Options Exercise | 63.6% | 1,727 | 4,443 | 11 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.