Insider trade

Director Mark A Iii Welsh sold ~$1.7K of Northrop Grumman shares under a pre-set plan

Traded May 4, 2026 · Filed May 5, 2026

~$1.7K
Reported value · 3 sh @ $571.74: 4,155
Holds after · shares reported: -15.0%
stock since the trade · S&P 500 +6.4%, $567.00 → $482.00 on Oct 1

Why it stands out

Mark A Iii Welsh sold about $1,715 of Northrop Grumman shares on May 4, 2026. This sale was part of a routine, pre-arranged plan and not a new decision, consistent with 30 sales by this director in the past year.

Sold under a plan set up in advance, so the timing wasn't a fresh decision
Routine for them: 30 sales in the past year

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: May 4, 2026
Reporting period: Not applicable
Filed with the SEC: May 5, 2026

Director<$25KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,715

Shares × reported transaction price

Timing vs results

13 days after results of Apr 21, 2026, 78 days before results of Jul 21, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $567.00 on May 4, 2026, 24% above its 52-week low and 26% below its high, after a 20% drop over the previous 30 trading days

52-week range $456.30 (May 14, 2025) to $768.02 (Mar 2, 2026), 36% of the way up, from 251 adjusted closes. 30 trading days earlier: $706.95 on Mar 20, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-1.4%	+1.2%	-2.5%
30 days	-2.7%	+0.5%	-3.2%
90 days	-1.4%	+5.1%	-6.5%

Past results only. Not a forecast.

Source receipt

Record ID: 0001628280-26-030668
Filed / recorded: May 5, 2026, 8:40 PM UTC
Added to OQRO: Oct 1, 2026, 11:17 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: NORTHROP GRUMMAN CORP /DE/
Issuer CIK: 1133421
Ticker: NOC
Reporting person: Mark A Iii Welsh
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: May 4, 2026
Transaction code: S
Shares / units: 3
Price per share: $571.74
Acquired / disposed: Disposed (D)
Shares owned after: 4,155
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.
Represents the weighted average sale price of $571.74 rounded to the nearest hundredth. The highest price at which the shares were sold was $571.98 and the lowest price at which the shares were sold was $571.32. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.