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Arphra AIPlain-English read on Northrop Grumman Corporation’s valuationInsider signal · 90d
Net sellers
Bought
$0
Sold
$54.3K
Txns
11
Over the trailing 90 days insiders are net sellers — $0 bought against $54.3K sold across 11 open-market Form-4 transactions. Much insider selling is scheduled (10b5-1); read the asymmetry, not any single print.
Open-market Form 4
· insider_tradesInsider transactions · last 90d
Net −$54.3K0 buys
| Insider | Role | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| WELSH MARK A III | director | Sell | −1 | $567 | May 04, 2026 |
| WELSH MARK A III | director | Sell | −1 | $577 | May 04, 2026 |
| WELSH MARK A III | director | Sell | −2 | $1.1K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −3 | $1.7K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −4 | $2.3K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −5 | $2.8K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −6 | $3.4K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −7 | $4.0K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −9 | $5.1K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −14 | $8.0K | May 04, 2026 |
| WELSH MARK A III | director | Sell | −43 | $24.5K | May 04, 2026 |
Transaction mix · 90d
100%
Sells11 · $54.3K
Buys0 · $0
Top sellers · 90d
WELSH MARK A III · director−$54.3K
Transactions
11
0 buys · 11 sells
Bought
$0
Open market
Sold
$54.31K
Open market
Net flow
−$54.31K
Buys − sells
Transactions
| Insider | Role | Action | Shares | Price | Value | Trade date | Filing |
|---|---|---|---|---|---|---|---|
| WELSH MARK A III | director | Sell | 1 | $566.60 | $566.6 | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 1 | $577.05 | $577.05 | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 2 | $574.51 | $1.15K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 3 | $571.74 | $1.72K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 4 | $575.59 | $2.3K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 5 | $568.75 | $2.84K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 6 | $572.72 | $3.44K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 7 | $576.38 | $4.03K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 9 | $569.49 | $5.13K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 14 | $573.51 | $8.03K | May 04, 2026 | May 05, 2026 |
| WELSH MARK A III | director | Sell | 43 | $570.47 | $24.53K | May 04, 2026 | May 05, 2026 |
By insider
- WELSH MARK A III−$54.31Kdirector0B · 11S
Beneficial ownership filings
Schedule 13D / 13G — investors holding more than 5% of NOC-US.
DB · acquisition_ownership47
| Filed | Reporting person | Form | Type | Aggregate owned | % Class | Sole voting | Shared voting | Citizenship | |
|---|---|---|---|---|---|---|---|---|---|
| May 14, 2026 | Capital International Investors | — | IA | — | +5.20% | 0 | 0 | DELAWARE | SEC → |
| Apr 30, 2026 | Vanguard Capital Management | — | IA | — | +7.22% | 0 | 0 | PENNSYLVANIA | SEC → |
| Mar 27, 2026 | The Vanguard Group | — | IA | — | 0.00% | 0 | 0 | PENNSYLVANIA | SEC → |
| Aug 13, 2025 | Capital International Investors | — | IA | — | +8.60% | 0 | 0 | DELAWARE | SEC → |
| Apr 30, 2025 | The Vanguard Group | — | IA | — | +9.16% | 597.67K | 597.67K | PENNSYLVANIA | SEC → |
| Feb 11, 2022 | 95-1411037 | — | IA | — | +8.20% | 12.92M | 0 | Delaware | SEC → |
| Feb 10, 2022 | The Vanguard Group - 23-1945930 | — | IA | — | +7.51% | 0 | 225.56K | Pennsylvania For | SEC → |
| Feb 03, 2022 | (1) BlackRock, Inc. | — | HC | — | +5.40% | 7.78M | 0 | Delaware | SEC → |
| Feb 12, 2021 | The Northwestern Mutual Life Insurance Company | — | IC | — | +5.10% | 0 | 15.64M | BOSTON MASSACHUSETTS | SEC → |
| Feb 04, 2021 | Wellington Group Holdings LLP | — | HC | — | +5.41% | 0 | 8.95M | Massachusetts | SEC → |
| Feb 04, 2021 | Wellington Management Company LLP | — | IA | — | +5.35% | 0 | 8.87M | Massachusetts | SEC → |
| Feb 04, 2021 | Wellington Management Group LLP | — | HC | — | +5.41% | 0 | 8.95M | Massachusetts | SEC → |
| Feb 04, 2021 | Wellington Investment Advisors Holdings LLP | — | HC | — | +5.41% | 0 | 8.95M | Massachusetts | SEC → |
| Feb 14, 2020 | Paolo Cavazza | — | IN | — | +15.40% | 0 | 16.53M | BOSTON, MASSACHUSETTS | SEC → |
| Feb 14, 2019 | 52-0556948 | — | IA | — | +6.60% | 4.53M | 0 | Maryland | SEC → |
| Feb 14, 2019 | Capital International Investors ** | — | IA | — | +6.00% | 10.35M | 0 | California | SEC → |
| Feb 13, 2019 | STATE STREET CORPORATION | — | HC | — | +10.20% | 0 | 17.17M | BOSTON, MASSACHUSETTS | SEC → |
| Feb 13, 2019 | STATE STREET GLOBAL ADVISORS TRUST COMPANY | — | IA | — | +8.80% | 0 | 3.83M | BOSTON, MASSACHUSETTS | SEC → |
| Feb 13, 2019 | STATE STREET BANK & TRUST COMPANY | — | BK | — | +6.41% | 0 | 11.13M | BOSTON, MASSACHUSETTS | SEC → |
| Feb 14, 2017 | STATE STREET CORPORATION | — | HC | — | +11.31% | 0 | 19.93M | BOSTON, MASSACHUSETTS | SEC → |
| Feb 14, 2017 | STATE STREET BANK AND TRUST COMPANY ACTING IN VARIOUS CAPACITIES | — | BK | — | +9.92% | 0 | 17.49M | BOSTON, MASSACHUSETTS | SEC → |
| Oct 11, 2016 | STATE STREET CORPORATION | — | HC | — | +3.80% | 0 | 0 | BOSTON, MASSACHUSETTS | SEC → |
| Feb 16, 2016 | STATE STREET CORPORATION | — | HC | — | +11.00% | 0 | 20.02M | BOSTON MASSACHUSETTS | SEC → |
| Feb 12, 2015 | STATE STREET CORPORATION | — | HC | — | +11.20% | 0 | 22.56M | BOSTON MASSACHUSETTS | SEC → |
| Feb 12, 2015 | STATE STREET BANK AND TRUST COMPANY ACTING IN VARIOUS CAPACITIES | — | BK | — | +8.40% | 0 | 17.03M | BOSTON MASSACHUSETTS | SEC → |
| Feb 12, 2014 | BARCLAYS GLOBAL INVESTORS, NA. | — | BK | — | +2.55% | 363.94K | — | Pennsylvania | SEC → |
| Feb 04, 2014 | STATE STREET BANK AND TRUST COMPANY ACTING IN VARIOUS CAPACITIES | — | BK | — | +8.20% | 0 | 18.24M | BOSTON, MASSACHUSETTS | SEC → |
| Feb 04, 2014 | STATE STREET CORPORATION | — | HC | — | +10.90% | 0 | 24.3M | BOSTON, MASSACHUSETTS | SEC → |
| Feb 12, 2013 | STATE STREET CORPORATION | — | HC | — | +10.80% | 0 | 0 | BOSTON MASSACHUSETTS | SEC → |
| Feb 12, 2013 | STATE STREET BANK AND TRUST COMPANY ACTING IN VARIOUS CAPACITIES | — | BK | — | +8.20% | 0 | 0 | BOSTON MASSACHUSETTS | SEC → |
Showing 30 of 47 filings. All disclosures →
Top 10 holders · 8 quarters
13F position evolutionNo 13F history in
institutional_holders for NOC-US.