WELSH MARK A III 4
4 · NORTHROP GRUMMAN CORP /DE/ · Filed May 5, 2026
Research Summary
AI-generated summary of this filing
Northrop Grumman (NOC) Director Mark Welsh Sells 95 Shares
What Happened
Mark A. Welsh III, a director of Northrop Grumman Corporation (NOC), sold a total of 95 shares in multiple open-market transactions on May 4, 2026. The individual trades were executed at prices ranging from $566.60 to $577.05 per share; the filing reports aggregate proceeds of roughly $54,000 (weighted average price reported as $576.38). These sales were effected pursuant to a Rule 10b5-1 trading plan adopted August 23, 2025, and are reported as routine dispositions (code S).
Key Details
- Transaction date: May 4, 2026 (Form 4 filed May 5, 2026 — timely).
- Total shares sold: 95 shares across multiple trades.
- Price range: $566.60 — $577.05; weighted average sale price reported as $576.38.
- Approximate proceeds: ~$54K (filing line items sum to ~$54.3K; weighted average implies ≈$54.8K).
- Shares owned after transaction: not specified in the provided filing details.
- Notable footnotes: sales were made under a Rule 10b5-1 plan (adopted Aug 23, 2025). The filer offers to provide a breakdown of the number of shares sold at each separate price upon request (per footnotes).
Context
Sales under pre-established 10b5-1 plans are typically scheduled in advance and are considered routine corporate insider selling; they do not necessarily indicate a change in the insider’s view of the company. For retail investors, purchases by insiders are often a clearer signal of confidence than small, planned sales. This Form 4 discloses routine open-market sales by a director and does not by itself imply nonroutine insider sentiment.
Insider Transaction Report
Form 4
WELSH MARK A III
Director
Transactions
- Sale
Common Stock
[F1]2026-05-04$566.60/sh−1$567→ 4,215 total - Sale
Common Stock
[F1][F2]2026-05-04$568.75/sh−5$2,844→ 4,210 total - Sale
Common Stock
[F1][F3]2026-05-04$569.49/sh−9$5,125→ 4,201 total - Sale
Common Stock
[F1][F4]2026-05-04$570.47/sh−43$24,530→ 4,158 total - Sale
Common Stock
[F1][F5]2026-05-04$571.74/sh−3$1,715→ 4,155 total - Sale
Common Stock
[F1][F6]2026-05-04$572.72/sh−6$3,436→ 4,149 total - Sale
Common Stock
[F1][F7]2026-05-04$573.51/sh−14$8,029→ 4,135 total - Sale
Common Stock
[F1][F8]2026-05-04$574.51/sh−2$1,149→ 4,133 total - Sale
Common Stock
[F1][F9]2026-05-04$575.59/sh−4$2,302→ 4,129 total - Sale
Common Stock
[F1][F10]2026-05-04$576.38/sh−7$4,035→ 4,122 total - Sale
Common Stock
[F1]2026-05-04$577.05/sh−1$577→ 4,121 total
Footnotes (10)
- [F1]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.
- [F10]Represents the weighted average sale price of $576.38 rounded to the nearest hundredth. The highest price at which the shares were sold was $576.87 and the lowest price at which the shares were sold was $576.03. 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.
- [F2]Represents the weighted average sale price of $568.75 rounded to the nearest hundredth. The highest price at which the shares were sold was $568.92 and the lowest price at which the shares were sold was $568.49. 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.
- [F3]Represents the weighted average sale price of $569.49 rounded to the nearest hundredth. The highest price at which the shares were sold was $569.97 and the lowest price at which the shares were sold was $569.01. 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.
- [F4]Represents the weighted average sale price of $570.47 rounded to the nearest hundredth. The highest price at which the shares were sold was $570.84 and the lowest price at which the shares were sold was $570.25. 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.
- [F5]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.
- [F6]Represents the weighted average sale price of $572.72 rounded to the nearest hundredth. The highest price at which the shares were sold was $572.98 and the lowest price at which the shares were sold was $572.51. 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.
- [F7]Represents the weighted average sale price of $573.51 rounded to the nearest hundredth. The highest price at which the shares were sold was $573.80 and the lowest price at which the shares were sold was $573.14. 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.
- [F8]Represents the weighted average sale price of $574.51 rounded to the nearest hundredth. The highest price at which the shares were sold was $574.66 and the lowest price at which the shares were sold was $574.35. 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.
- [F9]Represents the weighted average sale price of $575.59 rounded to the nearest hundredth. The highest price at which the shares were sold was $575.99 and the lowest price at which the shares were sold was $575.38. 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.
Signature
/s/ Jennifer C. McGarey, Attorney-in-Fact|2026-05-05